Average annual temperature is 13.8 °C
Absolute maximum temperature: 26.2 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 162 days
Number of rainy days: 203 days
Look at detailed online map of Groix
* Weather data for Groix 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) | 13.3 | 11.2 | 13.4 | 15.1 | 22.5 | 23.9 | 19.9 | 25.2 | 26.2 | 21.5 | 16.8 | 14.9 |
| Average daytime temperature (°C) | 10.4 | 9.6 | 11.3 | 12.7 | 16.7 | 20.0 | 18.1 | 18.8 | 20.1 | 18.0 | 14.2 | 12.7 |
| Average temperature (°C) | 9.1 | 8.1 | 10.1 | 11.2 | 14.4 | 18.2 | 17.3 | 17.5 | 18.7 | 16.5 | 12.9 | 11.7 |
| Average night temperature (°C) | 7.8 | 6.4 | 8.9 | 9.6 | 12.1 | 16.4 | 16.4 | 16.2 | 17.3 | 14.8 | 11.7 | 10.6 |
| Absolute minimum temperature (°C) | 1.9 | 3.2 | 2.1 | 6.1 | 8.8 | 12.2 | 13.1 | 13.4 | 13.5 | 11.4 | 7.1 | 4.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| 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) | 4.5 | 6.6 | 7.0 | 9.2 | 12.2 | 12.7 | 11.7 | 11.4 | 9.6 | 6.3 | 5.1 | 4.0 |
| Precipitation (mm) | 97 | 15 | 131 | 83 | 42 | 17 | 105 | 42 | 61 | 177 | 244 | 153 |
| Sunny days | 9 | 20 | 7 | 14 | 19 | 23 | 12 | 15 | 14 | 13 | 7 | 9 |
| Rainy days | 22 | 8 | 24 | 16 | 12 | 7 | 19 | 16 | 16 | 18 | 23 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Groix during the most sunny months:
Months with the longest average daylight duration in Groix:
The largest precipitation sum in Groix is at