Average annual temperature is 24.9 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 85 days
Number of rainy days: 280 days
Look at detailed online map of Isle of Normandy
* Weather data for Isle of Normandy 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) | 28.6 | 30.7 | 31.3 | 30.5 | 32.1 | 33.5 | 34.1 | 33.8 | 33.5 | 33.0 | 29.8 | 29.0 |
| Average daytime temperature (°C) | 25.5 | 27.1 | 27.8 | 28.0 | 29.6 | 29.8 | 31.9 | 31.9 | 30.6 | 29.3 | 27.2 | 24.1 |
| Average temperature (°C) | 21.4 | 23.4 | 23.7 | 24.4 | 25.5 | 26.1 | 28.2 | 28.5 | 27.2 | 25.8 | 24.0 | 21.1 |
| Average night temperature (°C) | 17.9 | 20.0 | 20.3 | 21.3 | 21.8 | 23.1 | 25.1 | 25.8 | 24.5 | 22.8 | 21.3 | 18.6 |
| Absolute minimum temperature (°C) | 5.4 | 12.7 | 14.9 | 18.0 | 18.5 | 20.7 | 24.0 | 23.7 | 22.5 | 14.6 | 13.9 | 10.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 10.3 | 10.6 | 10.9 | 11.9 | 10.8 | 10.9 | 10.9 | 9.8 | 9.8 | 9.1 | 6.7 |
| Precipitation (mm) | 19 | 57 | 138 | 194 | 141 | 335 | 165 | 204 | 195 | 106 | 231 | 243 |
| Sunny days | 15 | 15 | 11 | 2 | 11 | 0 | 3 | 0 | 1 | 7 | 7 | 13 |
| Rainy days | 16 | 13 | 20 | 28 | 20 | 30 | 28 | 31 | 29 | 24 | 23 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isle of Normandy is at