Christchurch weather in August
August in Christchurch: cold, a little rain, with clean air — a great time to visit.
#10 of 12 months in Christchurch · #381 of 604 destinations to visit in August · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Christchurch climate normals — August
| Daytime high | 12°C / 54°F | 🧥 cold |
|---|---|---|
| Nighttime low | 4°C / 40°F | |
| Feels like (high) | 9°C / 48°F | |
| Rainfall | 39 mm / 1.5 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 4°C / 40°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 10.4 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 22 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Christchurch in August — FAQ
- Is August a good time to visit Christchurch?
- August in Christchurch: cold, a little rain, with clean air — a great time to visit. It ranks #10 of 12 months for Christchurch on SeasonMap's comfort score (73/100).
- What is the weather like in Christchurch in August?
- In August, Christchurch averages a daily high of 12°C and a low of 4.2°C, with about 39 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Christchurch in August?
- Christchurch has a mean US Air Quality Index of about 22 in August.