Average annual temperature is 5.1 °C
Absolute maximum temperature: 28.4 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 119 days
Number of rainy days: 221 days
Number of snow days: 25 days
Look at detailed online map of Le Grand-Bornand
* Weather data for Le Grand-Bornand 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) | 10.9 | 10.1 | 12.0 | 13.5 | 17.2 | 22.3 | 27.9 | 28.4 | 22.6 | 21.2 | 8.7 | 8.2 |
| Average daytime temperature (°C) | -1.0 | 2.9 | 4.4 | 5.6 | 11.7 | 17.4 | 19.1 | 18.8 | 17.7 | 13.1 | 1.9 | 1.7 |
| Average temperature (°C) | -5.0 | -1.7 | -0.1 | 1.3 | 7.3 | 12.8 | 13.8 | 14.1 | 12.6 | 8.4 | -1.3 | -1.8 |
| Average night temperature (°C) | -8.8 | -5.6 | -4.0 | -2.5 | 2.9 | 8.2 | 8.7 | 9.8 | 7.6 | 3.9 | -5.2 | -6.3 |
| Absolute minimum temperature (°C) | -18.6 | -14.0 | -10.6 | -10.3 | -1.4 | 4.5 | 3.4 | 1.0 | -0.1 | -2.7 | -16.1 | -16.7 |
| 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 | 14.9 | 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) | 5.2 | 8.2 | 6.8 | 8.3 | 10.3 | 12.5 | 12.4 | 11.0 | 10.1 | 7.6 | 3.8 | 4.1 |
| Precipitation (mm) | 165 | 12 | 269 | 149 | 138 | 175 | 150 | 140 | 106 | 220 | 312 | 296 |
| Sunny days | 15 | 21 | 9 | 8 | 2 | 6 | 3 | 8 | 15 | 15 | 4 | 13 |
| Rainy days | 11 | 4 | 16 | 18 | 29 | 24 | 28 | 23 | 15 | 16 | 22 | 15 |
| Snow days | 5 | 3 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 |
The best time to visit Le Grand-Bornand during the most sunny months:
Months with the longest average daylight duration in Le Grand-Bornand:
The largest precipitation sum in Le Grand-Bornand is at