Skip to content
WeatherCompare
The historic Bridge of Remembrance in Christchurch on a sunny day, featuring pedestrians and lush greenery.
Photo by Parth Patel on Pexels

Monthly climate guide

Christchurch weather in August

Expect cool weather in Christchurch in August: afternoons reach about 12°C (53°F), while nights drop to around 4°C (38°F). Around 73 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are about the same as July and 2°C cooler than September.

What stands out in August

  • August is among Christchurch's three coolest months.
  • Seasonally, August counts as late winter in Christchurch — the seasons are reversed south of the equator.
  • Christchurch is usually about 2°C warmer than Nelson, 260 km away, in August.

Avg high

12°C

53°F

Avg low

4°C

38°F

Rainfall

73 mm

some rain

Humidity

87%

relative

Sky

64%

cloud · often cloudy

Christchurch weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Christchurch
MonthAvg highAvg lowRainHumidityCloud cover
January24°C / 75°F12°C / 53°F77 mm66%66%
February24°C / 75°F12°C / 53°F56 mm68%61%
March21°C / 70°F10°C / 50°F77 mm74%66%
April17°C / 63°F8°C / 46°F100 mm80%66%
May14°C / 58°F6°C / 42°F78 mm85%63%
June11°C / 52°F3°C / 38°F94 mm89%64%
July11°C / 51°F3°C / 37°F81 mm88%64%
August12°C / 53°F4°C / 38°F73 mm87%64%
September14°C / 57°F4°C / 40°F61 mm83%65%
October17°C / 62°F6°C / 43°F88 mm79%69%
November19°C / 66°F8°C / 46°F77 mm75%68%
December22°C / 71°F10°C / 51°F77 mm71%70%

What to pack for August

  • A warm sweater or fleece for layering
  • A mid-weight jacket
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
Full season-by-season packing guide →

Is August a good time to visit Christchurch?

Compare the months in the chart above to find your ideal window.

Best time to visit Christchurch →

Other New Zealand cities in August

Cite or embed this data

Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.

Citation
Christchurch weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/new-zealand/christchurch/august
HTML link
<a href="https://weathercompare.eu/weather/new-zealand/christchurch/august">Christchurch weather in August</a> (WeatherCompare)
Embed widget
<iframe src="https://weathercompare.eu/embed/new-zealand/christchurch" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Christchurch weather in August"></iframe>
<p style="font-size:12px"><a href="https://weathercompare.eu/weather/new-zealand/christchurch/august">Christchurch weather in August</a> – WeatherCompare</p>

Christchurch in August: quick answers

Is August a good time to visit Christchurch?

August is cool in Christchurch, with highs around 12°C. Better for museums and city walks than the beach, and usually quieter.

How warm is Christchurch in August?

Average highs are about 12°C (53°F) and average lows about 4°C (38°F), based on 10 years of daily data.

Does it rain a lot in Christchurch in August?

Christchurch typically gets around 73 mm of rain in August — some rain.

Figures are long-term averages for the area around Christchurch (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.