Basel weather in December
December in Basel: cold, rainy, with clean air — a fair time to visit.
#11 of 12 months in Basel · #477 of 604 destinations to visit in December · comfort 51/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Basel climate normals — December
| Daytime high | 7°C / 44°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 33°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 116 mm / 4.6 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 2°C / 35°F | |
| Sunshine | 3.6 h/day | |
| Daylight | 8.5 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 13 cm / 5.1 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Basel in December — FAQ
- Is December a good time to visit Basel?
- December in Basel: cold, rainy, with clean air — a fair time to visit. It ranks #11 of 12 months for Basel on SeasonMap's comfort score (51/100).
- What is the weather like in Basel in December?
- In December, Basel averages a daily high of 6.9°C and a low of 0.4°C, with about 115.7 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Basel in December?
- Basel has a mean US Air Quality Index of about 46 in December.
- Does it snow in Basel in December?
- Basel sees roughly 13 cm of snowfall in December.