Average annual temperature is 14.2 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 156 days
Number of rainy days: 205 days
Number of snow days: 4 days
Look at detailed online map of Blan
* Weather data for Blan 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) | 16.4 | 17.8 | 23.3 | 24.2 | 26.7 | 31.0 | 35.4 | 39.0 | 32.0 | 31.8 | 21.8 | 16.7 |
| Average daytime temperature (°C) | 7.9 | 11.0 | 15.0 | 16.9 | 20.0 | 25.5 | 27.8 | 29.0 | 27.5 | 23.4 | 13.8 | 10.7 |
| Average temperature (°C) | 5.0 | 5.7 | 10.0 | 12.0 | 15.3 | 20.8 | 22.4 | 23.2 | 21.2 | 17.6 | 9.9 | 7.2 |
| Average night temperature (°C) | 2.2 | 1.0 | 5.4 | 7.0 | 10.9 | 16.1 | 17.0 | 17.6 | 15.8 | 12.6 | 5.9 | 3.8 |
| Absolute minimum temperature (°C) | -3.6 | -3.0 | -4.6 | 0.7 | 7.0 | 11.9 | 14.0 | 12.1 | 8.9 | 7.0 | -0.7 | -3.4 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 7.3 | 7.5 | 7.8 | 9.2 | 11.3 | 11.8 | 10.8 | 10.2 | 7.7 | 5.4 | 4.0 |
| Precipitation (mm) | 109 | 34 | 96 | 118 | 147 | 102 | 36 | 29 | 67 | 63 | 107 | 86 |
| Sunny days | 9 | 19 | 14 | 13 | 6 | 9 | 12 | 17 | 19 | 18 | 8 | 12 |
| Rainy days | 19 | 8 | 17 | 17 | 25 | 21 | 19 | 14 | 11 | 13 | 22 | 19 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Blan during the most sunny months:
Months with the longest average daylight duration in Blan:
The largest precipitation sum in Blan is at