Arch Hill Weather
Weather in Arch Hill, Auckland: current conditions, forecast, warnings, monthly averages and seasonal guide
Hourly forecast
7-day forecast for Arch Hill
| Day | Conditions | Rain | Temp | Summary | |
|---|---|---|---|---|---|
| Today29 Apr | Light drizzle | 8%0.2mm | 18°C12°C | Light drizzle with a high of 18°C and low of 12°C. 8% chance of rain, up to 0.2mm. UV index 4.4 (moderate). | |
| Thu30 Apr | Overcast | 2% | 19°C13°C | Overcast with a high of 19°C and low of 13°C. 2% chance of rain. UV index 4.4 (moderate). | |
| Fri1 May | Overcast | 0% | 17°C10°C | Overcast with a high of 17°C and low of 10°C. No rain expected. UV index 4.4 (moderate). | |
| Sat2 May | Mainly clear | 0% | 18°C10°C | Mainly clear with a high of 18°C and low of 10°C. No rain expected. UV index 4.3 (moderate). | |
| Sun3 May | Overcast | 6% | 18°C9°C | Overcast with a high of 18°C and low of 9°C. 6% chance of rain. UV index 4.3 (moderate). | |
| Mon4 May | Overcast | 6% | 17°C11°C | Overcast with a high of 17°C and low of 11°C. 6% chance of rain. UV index 2.3 (low). | |
| Tue5 May | Overcast | 15% | 19°C16°C | Overcast with a high of 19°C and low of 16°C. 15% chance of rain. UV index 3.6 (moderate). |
Extended outlook — days 8 to 14
Extended forecasts beyond 7 days are less reliable and should be used as a general guide only.
| Day | Conditions | Rain | Temp | Summary | |
|---|---|---|---|---|---|
| Wed6 May | Light drizzle | 21%2.3mm | 19°C17°C | Light drizzle with a high of 19°C and low of 17°C. 21% chance of rain, up to 2.3mm. UV index 2.3 (low). | |
| Thu7 May | Light drizzle | 32%1.8mm | 19°C17°C | Light drizzle with a high of 19°C and low of 17°C. 32% chance of rain, up to 1.8mm. UV index 3.6 (moderate). | |
| Fri8 May | Slight rain | 20%10.9mm | 18°C16°C | Slight rain with a high of 18°C and low of 16°C. 20% chance of rain, up to 10.9mm. UV index 2.4 (low). | |
| Sat9 May | Slight rain | 33%3mm | 18°C12°C | Slight rain with a high of 18°C and low of 12°C. 33% chance of rain, up to 3mm. UV index 2.8 (low). | |
| Sun10 May | Moderate drizzle | 39%15mm | 14°C10°C | Moderate drizzle with a high of 14°C and low of 10°C. 39% chance of rain, up to 15mm. UV index 3.6 (moderate). | |
| Mon11 May | Moderate drizzle | 35%0.6mm | 14°C10°C | Moderate drizzle with a high of 14°C and low of 10°C. 35% chance of rain, up to 0.6mm. UV index 2.3 (low). | |
| Tue12 May | Overcast | 18% | 16°C9°C | Overcast with a high of 16°C and low of 9°C. 18% chance of rain. UV index 3.5 (moderate). |
Sun & Moon — Arch Hill
UV Index — Arch Hill
Some protection needed. Wear sunglasses on bright days.
Air Quality — Arch Hill
Air quality is excellent. Enjoy outdoor activities freely.
Air quality data from Open-Meteo
Climate overview
Arch Hill, nestled within the greater Auckland region, experiences a humid subtropical climate, classified as Cfa under the Köppen system. This designation signifies hot, humid summers and mild winters, with rainfall distributed relatively evenly throughout the year and no dry season. Auckland's climate is primarily shaped by its coastal location on the North Island, bordered by both the Tasman Sea to the west and the Pacific Ocean to the east, leading to significant oceanic moderation that tempers seasonal temperature extremes.
Key geographic influences include its latitude of approximately 37 degrees South, placing it within the mid-latitudes where prevailing westerlies are a dominant factor. The narrowness of the North Island means that oceanic influences are pervasive, preventing the development of continental climate characteristics. Furthermore, the presence of the Hauraki Gulf and numerous smaller islands contributes to localized weather patterns and influences sea breezes. While no major mountain ranges directly shield Arch Hill, the generally hilly terrain of Auckland, formed by ancient volcanic activity, creates subtle variations in exposure to wind and sun.
The East Australian Current, a warm ocean current, flows down the east coast of Australia and can indirectly influence New Zealand's weather patterns, particularly by contributing to warmer sea surface temperatures in the Tasman Sea. This can lead to increased moisture availability for weather systems crossing over to New Zealand. Prevailing winds are predominantly from the west and southwest, carrying moisture-laden air from the Tasman Sea, resulting in frequent rainfall, especially during winter months when frontal systems are more common. These westerly winds also contribute to Auckland's often breezy conditions.
Compared to cities at similar latitudes globally, Auckland's maritime influence is particularly pronounced. For example, cities in the Mediterranean basin at similar latitudes might experience a much drier summer. Auckland's Cfa climate shares characteristics with cities like Sydney, Australia, and Buenos Aires, Argentina, both of which also exhibit humid subtropical conditions with tempered seasonality due to coastal proximity. However, Auckland generally experiences cooler summers and milder winters than Sydney, and a more uniform distribution of rainfall than Buenos Aires.
Altitude effects in Arch Hill itself are minimal given its inner-city location, but the varied topography across the wider Auckland region can lead to slight temperature differences. Low-lying areas might experience cooler overnight temperatures due to cold air drainage, while elevated suburbs could be more exposed to winds. Overall, the climate is conducive to lush vegetation year-round, supporting Auckland's "City of Sails" lifestyle with generally pleasant conditions for outdoor activities, albeit with a need to be prepared for sudden rain showers.
Arch Hill receives approximately 1200mm to 1400mm (47 to 55 inches) annually, which is higher than the New Zealand national average of around 1000mm of rainfall annually, with the wettest months from June, July, and August, corresponding with the winter season, although rainfall is distributed relatively evenly throughout the year. Arch Hill and the wider Auckland region typically receive around 2000 to 2050 hours of sunshine annually. Daily averages range from 7-8 hours in summer, dropping to 4-5 hours in winter, with spring and autumn averaging 5-6 hours. This is slightly below the national average for New Zealand but still provides ample opportunity for outdoor activities. The long daylight hours in summer mean extended periods of UV exposure, necessitating strong sun protection practices. Even on cloudy days, UV radiation can be high, posing a risk for those spending time outdoors.
Arch Hill, situated within Auckland's central suburbs, experiences microclimate effects primarily driven by its proximity to the Waitematā Harbour and the urban built environment. Coastal moderation from the sea breezes off the harbour helps to temper extreme summer heat and winter cold, providing a more stable temperature range compared to inland areas. This "sea breeze" effect, often felt in the afternoons, can offer significant relief on hot days.
The urban heat island effect is noticeable in Arch Hill, particularly in its densely built-up areas. Concrete, asphalt, and buildings absorb and re-emit solar radiation, leading to slightly higher overnight temperatures compared to surrounding green spaces or less developed areas. While Arch Hill itself is relatively flat, higher elevations in nearby suburbs like Mount Eden or One Tree Hill can experience cooler temperatures and stronger winds. There are no significant rain shadow effects, but localized convective showers can be enhanced or diminished by the urban landscape, leading to surprisingly variable conditions across small distances.
Monthly averages for Arch Hill
Climate data sourced from NIWA CliFlo climate database for the Auckland region. Summer temperatures range from 20°C to 25°C (68°F to 77°F), occasionally reaching higher values during heatwaves, while winter sits between 8°C to 16°C (46°F to 61°F), rarely dropping below freezing.
| Month | Avg High | Avg Low | Rain (mm) | Rain Days |
|---|---|---|---|---|
| January | 23.5°C | 16.5°C | 77 | 8 |
| February | 23.9°C | 16.6°C | 68 | 7 |
| March | 22.5°C | 15.3°C | 88 | 9 |
| April | 20°C | 13°C | 99 | 10 |
| May | 17.4°C | 10.7°C | 113 | 12 |
| June | 15.3°C | 8.8°C | 126 | 13 |
| July | 14.5°C | 8°C | 140 | 14 |
| August | 15°C | 8.4°C | 124 | 13 |
| September | 16.2°C | 9.7°C | 104 | 11 |
| October | 17.8°C | 11.2°C | 96 | 10 |
| November | 19.6°C | 12.9°C | 84 | 9 |
| December | 21.6°C | 14.8°C | 81 | 9 |
Water temperature
Water temperatures around Arch Hill and the Auckland region vary significantly with the seasons. In summer, the Waitematā Harbour and surf beaches like Piha and Muriwai typically range from 19-22°C (66-72°F). These comfortable temperatures are ideal for swimming, paddleboarding, and other water sports, with many enjoying the water without a wetsuit.
During winter, water temperatures drop to between 13-16°C (55-61°F). At these cooler temperatures, wetsuits are generally recommended for anyone spending extended time in the water, such as surfers or divers. While less inviting for casual swimming, the milder winter temperatures still allow for some water activities. Estuary temperatures in calmer, shallower areas may warm up slightly quicker in spring and cool down slower in autumn than open ocean waters.
Marine life thrives in these temperate waters, supporting diverse ecosystems. Popular swimming areas include the harbour beaches of Mission Bay and Kohimarama, while the wild west coast surf beaches offer a different experience. Always check local conditions and understand rips before entering the water, especially at unpatrolled beaches.
Summer water temperatures around Arch Hill range from 19-22°C (66-72°F), cooling to 13-16°C (55-61°F) in winter.
Things to do this winter in Arch Hill
Winter attire should focus on warmth and waterproofing. Pack warm layers, including sweaters, a waterproof and windproof jacket, and comfortable closed-toe shoes. An umbrella is essential for frequent rain showers. While frost is rare in Arch Hill, it can occur in surrounding areas, so allow for potential icy patches if driving further afield early mornings. Visibility can be reduced in heavy rain, so drive with caution. Indoor activities, museums, and cozy dining are popular during this season. Factor in shorter daylight hours for outdoor plans.
- Visit the Auckland War Memorial Museum
- Explore the indoor attractions at Wynyard Quarter
- Enjoy a show at The Civic theatre
- Dine in cozy restaurants in Grey Lynn
- Explore the New Zealand Maritime Museum
- Attend the Auckland Restaurant Month
- Visit Kelly Tarlton's Sea Life Aquarium
- Shop at the Westfield Newmarket
Best time to visit Arch Hill
The best time to visit Arch Hill and Auckland is generally during the summer months, from December to February. This period offers the warmest temperatures, highest sunshine hours, and ideal conditions for beaches, boating, and outdoor festivals. However, it is also peak tourist season, meaning higher prices and larger crowds.
The shoulder seasons of autumn (March to May) and spring (September to November) are also excellent choices. Autumn offers stable, pleasant weather with fewer crowds and vibrant autumn foliage in parks. Spring brings blooming gardens, warmer temperatures, and the city awakening with new life, making it perfect for exploring without the summer rush. While cooler, these seasons can be excellent for discovering local cafes, museums, and scenic walks.
Winter (June to August) is cooler and wetter, but still mild compared to many international cities. It's ideal for those interested in a quieter experience, enjoying cultural events, indoor attractions, and perhaps some cozy dining. However, some outdoor activities may be limited by rain. Avoid periods of extreme weather like heavy rain events if your primary focus is outdoor exploration, though these are generally brief.
Weather radar — Arch Hill
Weather warnings & safety
Arch Hill and the Auckland region are susceptible to several forms of severe weather, though extreme events are less frequent than in some other parts of New New Zealand or the world. Strong thunderstorms can occur, particularly during summer and autumn, bringing heavy rain, localized flooding, and occasional hail. These events are generally short-lived but can be intense.
Heavy rainfall, sometimes associated with ex-tropical cyclones or deep low-pressure systems, poses a significant flooding risk, especially in low-lying areas or where drainage systems are overwhelmed. While direct cyclone landfalls are rare, the remnants of cyclones can bring widespread wind and rain during late summer and autumn. Heatwaves, though infrequent, can occur in summer, pushing temperatures above 28°C and increasing health risks, particularly for vulnerable populations.
Bushfires or wildfires are a risk during prolonged dry spells, particularly in surrounding rural or semi-rural areas, though less so in the dense urban environment of Arch Hill itself. Frost is very rare in Arch Hill due to the urban heat island effect and coastal influence, but can occur in more elevated or sheltered inland parts of Auckland during clear winter nights. Droughts can occasionally impact water supplies during extended periods of low rainfall. Strong winds, sometimes associated with Tasman Sea lows, can impact travel and infrastructure, and coastal erosion and storm surge are concerns for lower-lying coastal areas but are not direct threats to Arch Hill.
Latest weather news — Arch Hill
Weather near Arch Hill
Frequently asked questions about Arch Hill weather
What is the weather in Arch Hill right now?
Right now in Arch Hill it is 14°C and clear sky. Today's high is 18°C with a low of 12°C. Humidity is at 91%. Wind is SE at 3 km/h.
What is the 14-day forecast for Arch Hill?
Today (29 Apr): Light drizzle with a high of 18°C and low of 12°C. 8% chance of rain, up to 0.2mm. UV index 4.4 (moderate). Thu (30 Apr): Overcast with a high of 19°C and low of 13°C. 2% chance of rain. UV index 4.4 (moderate). Fri (1 May): Overcast with a high of 17°C and low of 10°C. No rain expected. UV index 4.4 (moderate). Sat (2 May): Mainly clear with a high of 18°C and low of 10°C. No rain expected. UV index 4.3 (moderate). Sun (3 May): Overcast with a high of 18°C and low of 9°C. 6% chance of rain. UV index 4.3 (moderate). Mon (4 May): Overcast with a high of 17°C and low of 11°C. 6% chance of rain. UV index 2.3 (low). Tue (5 May): Overcast with a high of 19°C and low of 16°C. 15% chance of rain. UV index 3.6 (moderate). Wed (6 May): Light drizzle with a high of 19°C and low of 17°C. 21% chance of rain, up to 2.3mm. UV index 2.3 (low). Thu (7 May): Light drizzle with a high of 19°C and low of 17°C. 32% chance of rain, up to 1.8mm. UV index 3.6 (moderate). Fri (8 May): Slight rain with a high of 18°C and low of 16°C. 20% chance of rain, up to 10.9mm. UV index 2.4 (low). Sat (9 May): Slight rain with a high of 18°C and low of 12°C. 33% chance of rain, up to 3mm. UV index 2.8 (low). Sun (10 May): Moderate drizzle with a high of 14°C and low of 10°C. 39% chance of rain, up to 15mm. UV index 3.6 (moderate). Mon (11 May): Moderate drizzle with a high of 14°C and low of 10°C. 35% chance of rain, up to 0.6mm. UV index 2.3 (low). Tue (12 May): Overcast with a high of 16°C and low of 9°C. 18% chance of rain. UV index 3.5 (moderate).
What is the air quality in Arch Hill today?
The current air quality index in Arch Hill is 15 (European AQI), rated "Good". Air quality is excellent. Enjoy outdoor activities freely. PM2.5 is 7.8 µg/m³. PM10 is 9.9 µg/m³.
What is the average temperature in Arch Hill?
Arch Hill experiences a mild climate with an average annual temperature of approximately 16°C. Summer highs typically range from 20°C to 25°C, while winter highs are around 14°C to 16°C. Night-time lows in summer average 16°C and in winter around 8°C-10°C, providing a comfortable year-round environment.
How much rain does Arch Hill get annually?
Arch Hill, within the Auckland region, receives approximately 1200mm to 1400mm of rainfall annually. Rainfall is distributed fairly evenly throughout the year, with winter months (June-August) generally being the wettest. Even during summer, short, heavy showers are possible, so carrying an umbrella is always a good idea.
What are the wind conditions like in Arch Hill?
Arch Hill, being close to the Waitematā Harbour, often experiences breezy conditions. Prevailing winds come from the west and southwest, sometimes bringing strong gusts, especially during changeable weather patterns. Sea breezes are common in summer afternoons, providing a cooling effect. Wind speeds can vary greatly depending on the day and specific weather system.
What is the UV index like in Arch Hill?
The UV index in Arch Hill can be very high, particularly during summer (December to February), often reaching extreme levels (10+). Even in spring and autumn, the UV index can be high. Sun protection, including sunscreen, hats, and sunglasses, is crucial year-round, even on cloudy days, to prevent sunburn and long-term skin damage.
When are the sunrise and sunset times in Arch Hill?
Sunrise and sunset times in Arch Hill vary significantly throughout the year. In mid-summer, sunrise can be as early as 6:00 AM, with sunset around 9:00 PM. In mid-winter, sunrise can be as late as 7:30 AM, with sunset around 5:30 PM. Daylight saving time further adjusts these hours during warmer months, providing long summer evenings.
What is the air quality often like in Arch Hill?
Air quality in Arch Hill is generally good, often falling into the 'Good' or 'Fair' categories on the European Air Quality Index. However, occasional localized inversions or increased vehicle emissions can lead to temporary reductions in air quality, especially PM2.5 and PM10 particles, notably during peak traffic hours or still winter mornings. Real-time air quality data is available for up-to-date information.
Is Arch Hill susceptible to severe weather?
While Arch Hill’s climate is generally mild, it can experience severe weather events such as heavy rainfall leading to localized flooding, strong winds associated with Tasman Sea lows, and occasional intense thunderstorms. Heatwaves can occur in summer, and the remnants of ex-tropical cyclones can bring widespread rain and wind during late summer and autumn. Frost is very rare in the immediate area.
What should I wear when visiting Arch Hill?
Due to Auckland's changeable weather, layering is always recommended. In summer, light clothing, hats, and sunglasses are key. In winter, warmer layers, a waterproof jacket, and an umbrella are essential. Spring and autumn require a mix, with a light jacket and waterproof layer being useful year-round. Always pack sun protection, regardless of the season.
Can I swim in the ocean near Arch Hill?
Yes, swimming in the ocean near Arch Hill is popular. Water temperatures in the Waitematā Harbour and nearby East Coast beaches are comfortable for swimming in summer, typically ranging from 19-22°C. In winter, the water cools to 13-16°C, making wetsuits advisable for extended periods. Always check local conditions and water quality before swimming. West Coast beaches have cooler, rougher waters.
What are the typical moon phases visible in Arch Hill?
Arch Hill, like the rest of Auckland, experiences all phases of the moon throughout the month. The visibility of specific phases (New Moon, First Quarter, Full Moon, Last Quarter) depends on the lunar cycle and clear sky conditions. The Full Moon offers the brightest nights, while the New Moon provides the best conditions for stargazing due to minimal light pollution.
How does Arch Hill's climate compare to other New Zealand cities?
Arch Hill's humid subtropical climate is warmer and generally milder than many southern New Zealand cities like Dunedin or Christchurch, which have more temperate climates with colder winters and distinct seasonal temperature variations. It's broadly similar to other northern cities like Tauranga, though Auckland's larger urban footprint can create more pronounced urban heat island effects.
What are driving conditions like in Arch Hill?
Driving conditions in Arch Hill are generally good, but traffic can be heavy, especially during peak hours. Wet weather can make roads slippery, so adjust your driving accordingly. Visibility can be reduced during heavy rain or early morning fog. Parking within Arch Hill and central Auckland can be challenging, so consider public transport or walking where possible. Be aware of pedestrian-heavy areas.
