Average annual temperature is 9.7 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 137 days
Number of rainy days: 215 days
Number of snow days: 13 days
Look at detailed online map of La Roche-sur-Foron
* Weather data for La Roche-sur-Foron France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.4 | 12.0 | 18.6 | 18.2 | 21.0 | 26.9 | 33.5 | 35.0 | 27.6 | 23.9 | 14.2 | 11.2 |
| Average daytime temperature (°C) | 3.2 | 6.5 | 9.5 | 10.7 | 15.7 | 22.3 | 24.7 | 24.7 | 22.0 | 16.9 | 7.4 | 6.5 |
| Average temperature (°C) | -0.6 | 1.7 | 5.1 | 6.3 | 11.6 | 17.6 | 19.1 | 19.5 | 16.9 | 12.3 | 4.3 | 2.6 |
| Average night temperature (°C) | -4.6 | -2.6 | 0.9 | 1.7 | 7.4 | 12.4 | 13.8 | 14.2 | 11.9 | 8.1 | 0.7 | -0.8 |
| Absolute minimum temperature (°C) | -17.3 | -8.4 | -5.8 | -5.2 | 2.3 | 9.6 | 7.8 | 6.4 | 3.9 | 2.2 | -6.1 | -10.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 15.0 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.7 | 8.2 | 7.3 | 8.5 | 10.8 | 12.9 | 12.5 | 11.0 | 10.2 | 7.7 | 4.0 | 3.9 |
| Precipitation (mm) | 89 | 15 | 152 | 118 | 98 | 98 | 180 | 102 | 114 | 182 | 224 | 208 |
| Sunny days | 15 | 18 | 9 | 8 | 6 | 9 | 6 | 16 | 16 | 16 | 5 | 13 |
| Rainy days | 9 | 8 | 20 | 22 | 25 | 21 | 25 | 15 | 14 | 15 | 24 | 17 |
| Snow days | 7 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit La Roche-sur-Foron during the most sunny months:
Months with the longest average daylight duration in La Roche-sur-Foron:
The largest precipitation sum in La Roche-sur-Foron is at