Dunedin weather in December
December in Dunedin: nice, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Dunedin · #59 of 604 destinations to visit in December · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Dunedin climate normals — December
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 89 mm / 3.5 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 10°C / 49°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 15.7 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 24 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Dunedin in December — FAQ
- Is December a good time to visit Dunedin?
- December in Dunedin: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Dunedin on SeasonMap's comfort score (86/100).
- What is the weather like in Dunedin in December?
- In December, Dunedin averages a daily high of 17.4°C and a low of 10.7°C, with about 88.9 mm of rain over roughly 16.4 rainy days.
- What is the air quality in Dunedin in December?
- Dunedin has a mean US Air Quality Index of about 24 in December.