Inns — Lausanne
Climate — Lausanne: monthly averages
| Month | Day (max) | Night (min) | Monthly precipitation |
|---|---|---|---|
| January | 10°C | -22°C | 92 mm |
| February | 16°C | -26°C | 71 mm |
| March | 19°C | -21°C | 90 mm |
| April | 22°C | -8°C | 81 mm |
| May | 28°C | -3°C | 126 mm |
| June | 33°C | 0°C | 114 mm |
| July | 32°C | 4°C | 115 mm |
| August | 33°C | 4°C | 120 mm |
| September | 28°C | -1°C | 81 mm |
| October | 25°C | -7°C | 94 mm |
| November | 19°C | -15°C | 90 mm |
| December | 12°C | -19°C | 101 mm |
Long-term model averages for an area of about 50 km — not a forecast; mountains are often cooler. Source: NASA POWER Project (CC BY 4.0) (2001–2025)