Wellington Weather in August

Wellington in August sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 86 mm (3.4 in) on average, so pack waterproofs just in case.

Rainfall in Wellington in August

Expect around 18 days of rain based on historical data, with 86 mm (3.4 in) average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Wellington in August

Wellington in August gets highs of 13°C (55°F) during the day and drops to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Wellington in August

The city usually sees around 139 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Wellington in August

Average wind conditions reach 7 m/s (14 knots) in August. This indicates a windy month with strong breezes dominating the weather pattern. Remember this is an average: while most days are notably windy, some calmer periods occur alongside more stormy conditions.

Average water temperature in August

With water temperatures around 11°C (52°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

Should you favor a climate that's both dry and comfortably warm, January, February and March typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit New Zealand, check out our Wellington's climate page.

Wellington Temperature in August

Min Temperature 9°C (48°F)  

Max Temperature 13°C (55°F)  

Water Temperature 11°C (52°F)  

Chance of Rain 61%  

Precipitation 86 mm (3.4 in)  

Rainy days 18 days  

Humidity 85%  

Windspeed 7 m/s (14 knots)  

Sunshine 139 hours  

Percentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Wellington typically stay consistent throughout August, with daily highs averaging around 13°C (55°F). Nights are cold, with lows around 8°C (46°F).

Average temperatures in August

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Wellington in August

Browse day-by-day weather records for Wellington spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Wellington historical weather extremes in August

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Wellington.

• The hottest August day on record in Wellington reached 18°C (64°F) (August 20, 2022).
• On August 15, 2011, Wellington saw its coldest August day with temperatures maxing out at 6°C (43°F).
• The coldest night in August in Wellington was on August 6, 1977, with a minimum of 0°C (32°F).

What to Wear in Wellington in August

The weather can swing between comfortable and chilly in August, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Wellington in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit New Zealand, check out our Wellington's climate page.

More climate data for Wellington

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Wellington climate overview or explore weather in New Zealand.