Christchurch weather in May
May in Christchurch: cool, a little rain, with clean air — a great time to visit.
#9 of 12 months in Christchurch · #414 of 604 destinations to visit in May · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Christchurch climate normals — May
| Daytime high | 15°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 8°C / 46°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 62 mm / 2.4 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 6.9 h/day | |
| Daylight | 9.6 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 18 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Christchurch in May — FAQ
- Is May a good time to visit Christchurch?
- May in Christchurch: cool, a little rain, with clean air — a great time to visit. It ranks #9 of 12 months for Christchurch on SeasonMap's comfort score (75/100).
- What is the weather like in Christchurch in May?
- In May, Christchurch averages a daily high of 15.3°C and a low of 7.6°C, with about 61.8 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Christchurch in May?
- Christchurch has a mean US Air Quality Index of about 18 in May.