Average annual temperature is 10.3 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -27.9 °C
Number of sunny days: 198 days
Number of rainy days: 143 days
Number of snow days: 24 days
Look at detailed online map of French Island
* Weather data for French Island United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.2 | 9.9 | 13.3 | 26.4 | 30.5 | 31.5 | 33.3 | 37.6 | 35.4 | 30.2 | 17.3 | 12.5 |
| Average daytime temperature (°C) | -0.5 | 2.6 | 6.4 | 14.5 | 23.2 | 28.1 | 28.4 | 28.7 | 25.2 | 15.9 | 8.6 | 5.5 |
| Average temperature (°C) | -4.5 | -3.3 | 0.7 | 8.4 | 16.5 | 22.1 | 22.7 | 23.1 | 19.9 | 11.9 | 3.8 | 1.5 |
| Average night temperature (°C) | -8.1 | -7.8 | -3.5 | 3.7 | 10.5 | 16.5 | 17.7 | 18.4 | 15.8 | 8.6 | 0.5 | -1.1 |
| Absolute minimum temperature (°C) | -27.9 | -24.6 | -15.3 | -5.3 | 1.6 | 7.5 | 12.9 | 13.3 | 9.3 | -3.8 | -11.8 | -7.4 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 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) | 4.3 | 6.2 | 7.1 | 8.4 | 11.6 | 12.8 | 12.2 | 11.3 | 9.1 | 6.8 | 6.6 | 4.1 |
| Precipitation (mm) | 48 | 43 | 72 | 85 | 47 | 21 | 57 | 92 | 144 | 93 | 6 | 33 |
| Sunny days | 16 | 17 | 14 | 16 | 19 | 16 | 11 | 18 | 13 | 14 | 25 | 19 |
| Rainy days | 7 | 6 | 10 | 13 | 12 | 14 | 20 | 13 | 17 | 15 | 5 | 11 |
| Snow days | 8 | 5 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 |
The best time to visit French Island during the most sunny months:
Months with the longest average daylight duration in French Island:
The largest precipitation sum in French Island is at