Average annual temperature is 12.3 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Guern
* Weather data for Guern 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 | 13.9 | 15.9 | 19.2 | 21.8 | 28.4 | 26.3 | 27.6 | 30.4 | 25.8 | 15.6 | 14.6 |
| Average daytime temperature (°C) | 8.6 | 10.0 | 11.6 | 14.2 | 17.7 | 23.5 | 20.9 | 21.5 | 22.8 | 17.7 | 12.2 | 10.8 |
| Average temperature (°C) | 6.2 | 5.9 | 8.6 | 9.9 | 13.4 | 18.4 | 17.1 | 17.4 | 18.4 | 13.9 | 9.5 | 8.6 |
| Average night temperature (°C) | 3.8 | 2.3 | 5.7 | 5.8 | 9.3 | 13.1 | 13.1 | 13.6 | 14.4 | 10.4 | 7.0 | 6.1 |
| Absolute minimum temperature (°C) | -4.7 | -2.2 | -1.5 | 1.0 | 5.9 | 9.0 | 8.8 | 10.5 | 7.3 | 6.7 | 0.8 | -0.7 |
| 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 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.9 | 6.1 | 6.0 | 8.7 | 11.8 | 12.7 | 10.0 | 9.7 | 9.1 | 6.1 | 4.8 | 3.3 |
| Precipitation (mm) | 99 | 25 | 161 | 99 | 38 | 46 | 101 | 73 | 72 | 91 | 131 | 102 |
| Sunny days | 9 | 18 | 4 | 10 | 17 | 13 | 4 | 9 | 8 | 12 | 5 | 9 |
| Rainy days | 22 | 10 | 27 | 20 | 14 | 17 | 27 | 22 | 22 | 19 | 25 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Guern during the most sunny months:
Months with the longest average daylight duration in Guern:
The largest precipitation sum in Guern is at