Lausanne weather in December
December in Lausanne: cold, soaked, with clean air — a gamble, with 17 rainy days.
#12 of 12 months in Lausanne · #743 of 897 destinations to visit in December · comfort 52/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lausanne in December
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Lausanne climate normals — December
| Daytime high | 7°C / 44°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Rainfall | 162 mm / 6.4 in | ⛈ soaked |
| Rainy days | 17 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 3°C / 37°F | |
| Sunshine | 4.3 h/day | |
| Daylight | 8.6 h | |
| Wind | 9 km/h / 6 mph | |
| Snowfall | 22.8 cm / 9 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lausanne in December — FAQ
- Is December a good time to visit Lausanne?
- December in Lausanne: cold, soaked, with clean air — a gamble, with 17 rainy days. It ranks #12 of 12 months for Lausanne on SeasonMap's comfort score (52/100).
- What is the weather like in Lausanne in December?
- In December, Lausanne averages a daily high of 6.9°C and a low of 2.8°C, with about 162.1 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Lausanne in December?
- Lausanne has a mean US Air Quality Index of about 38 in December.
- Does it snow in Lausanne in December?
- Lausanne sees roughly 22.8 cm of snowfall in December.