Average annual temperature is 11.8 °C
Absolute maximum temperature: 28.7 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 105 days
Number of rainy days: 260 days
Look at detailed online map of Belle-Isle-en-Terre
* Weather data for Belle-Isle-en-Terre 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) | 12.6 | 15.1 | 15.9 | 16.8 | 18.9 | 27.4 | 25.6 | 25.5 | 28.7 | 25.9 | 14.9 | 14.1 |
| Average daytime temperature (°C) | 8.2 | 9.5 | 10.9 | 12.9 | 15.9 | 21.2 | 20.0 | 20.3 | 21.5 | 17.3 | 11.4 | 10.4 |
| Average temperature (°C) | 6.2 | 6.3 | 8.3 | 9.2 | 12.2 | 16.7 | 16.4 | 16.5 | 17.5 | 13.7 | 9.2 | 8.6 |
| Average night temperature (°C) | 4.1 | 3.5 | 5.9 | 5.8 | 8.6 | 12.4 | 12.9 | 13.4 | 13.8 | 10.8 | 7.3 | 6.6 |
| Absolute minimum temperature (°C) | -4.0 | -1.5 | -1.0 | 0.7 | 5.0 | 9.3 | 9.5 | 10.8 | 8.9 | 6.5 | 1.1 | -0.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.2 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.1 | 5.5 | 5.3 | 8.0 | 11.1 | 11.6 | 9.4 | 8.9 | 8.6 | 6.4 | 4.3 | 3.1 |
| Precipitation (mm) | 94 | 24 | 124 | 76 | 47 | 49 | 82 | 83 | 67 | 73 | 136 | 84 |
| Sunny days | 7 | 13 | 3 | 9 | 16 | 15 | 3 | 10 | 8 | 10 | 5 | 6 |
| Rainy days | 24 | 15 | 28 | 21 | 15 | 15 | 28 | 21 | 22 | 21 | 25 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Belle-Isle-en-Terre during the most sunny months:
Months with the longest average daylight duration in Belle-Isle-en-Terre:
The largest precipitation sum in Belle-Isle-en-Terre is at