Christchurch weather in December
December in Christchurch: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Christchurch · #21 of 604 destinations to visit in December · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Christchurch climate normals — December
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 72 mm / 2.9 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 15.4 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Christchurch in December — FAQ
- Is December a good time to visit Christchurch?
- December in Christchurch: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Christchurch on SeasonMap's comfort score (90/100).
- What is the weather like in Christchurch in December?
- In December, Christchurch averages a daily high of 20.5°C and a low of 12.3°C, with about 72.4 mm of rain over roughly 9 rainy days.
- What is the air quality in Christchurch in December?
- Christchurch has a mean US Air Quality Index of about 23 in December.