Lausanne weather in May
May in Lausanne: nice, rainy, with clean air — an excellent time to visit.
#5 of 12 months in Lausanne · #468 of 897 destinations to visit in May · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lausanne in May
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Lausanne climate normals — May
| Daytime high | 17°C / 62°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Rainfall | 119 mm / 4.7 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 11 h/day | |
| Daylight | 15 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 0.8 cm / 0.3 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lausanne in May — FAQ
- Is May a good time to visit Lausanne?
- May in Lausanne: nice, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Lausanne on SeasonMap's comfort score (82/100).
- What is the weather like in Lausanne in May?
- In May, Lausanne averages a daily high of 16.5°C and a low of 9.4°C, with about 119.1 mm of rain over roughly 14 rainy days.
- What is the air quality in Lausanne in May?
- Lausanne has a mean US Air Quality Index of about 42 in May.