Average annual temperature is 13.0 °C
Absolute maximum temperature: 21.3 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 121 days
Number of rainy days: 244 days
Look at detailed online map of La Grève
* Weather data for La Grève Guernsey is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.1 | 11.2 | 12.7 | 12.8 | 15.1 | 18.8 | 19.8 | 20.6 | 21.3 | 20.2 | 15.7 | 14.2 |
| Average daytime temperature (°C) | 10.1 | 9.7 | 10.3 | 10.9 | 13.1 | 16.0 | 17.1 | 17.8 | 19.0 | 16.8 | 13.3 | 12.2 |
| Average temperature (°C) | 9.2 | 8.8 | 9.3 | 10.0 | 12.2 | 15.0 | 16.4 | 17.1 | 17.9 | 15.7 | 12.2 | 11.3 |
| Average night temperature (°C) | 8.2 | 7.9 | 8.4 | 9.2 | 11.5 | 14.3 | 15.8 | 16.5 | 17.0 | 14.7 | 11.1 | 10.4 |
| Absolute minimum temperature (°C) | 4.4 | 5.7 | 4.7 | 7.5 | 10.6 | 12.1 | 14.4 | 15.0 | 13.1 | 11.3 | 7.1 | 5.3 |
| 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) | 8.7 | 10.1 | 11.9 | 13.8 | 15.4 | 16.2 | 15.8 | 14.4 | 12.6 | 10.8 | 9.1 | 8.2 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 5.7 | 5.6 | 9.0 | 12.2 | 12.9 | 11.0 | 9.8 | 9.3 | 6.8 | 4.6 | 3.7 |
| Precipitation (mm) | 109 | 16 | 113 | 63 | 34 | 27 | 53 | 102 | 65 | 113 | 238 | 150 |
| Sunny days | 6 | 14 | 3 | 11 | 20 | 21 | 8 | 8 | 13 | 9 | 2 | 6 |
| Rainy days | 25 | 14 | 28 | 19 | 11 | 9 | 23 | 23 | 17 | 22 | 28 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit La Grève during the most sunny months:
Months with the longest average daylight duration in La Grève:
The largest precipitation sum in La Grève is at