Average annual temperature is 12.5 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Trégrom
* Weather data for Trégrom 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) | 13.6 | 15.9 | 16.8 | 17.2 | 19.1 | 28.0 | 26.4 | 26.4 | 29.7 | 26.8 | 15.7 | 14.8 |
| Average daytime temperature (°C) | 9.0 | 10.2 | 11.7 | 13.5 | 16.5 | 21.7 | 20.7 | 20.9 | 22.2 | 18.1 | 12.1 | 11.3 |
| Average temperature (°C) | 6.9 | 7.1 | 9.1 | 9.9 | 12.8 | 17.2 | 17.1 | 17.2 | 18.1 | 14.5 | 10.0 | 9.4 |
| Average night temperature (°C) | 4.9 | 4.4 | 6.7 | 6.6 | 9.3 | 13.0 | 13.7 | 14.0 | 14.4 | 11.5 | 8.0 | 7.5 |
| Absolute minimum temperature (°C) | -3.2 | -1.3 | -0.1 | 2.1 | 6.2 | 9.9 | 10.5 | 11.5 | 9.8 | 7.2 | 2.1 | 1.6 |
| 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) | 8.8 | 10.2 | 11.9 | 13.7 | 15.2 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.1 | 5.3 | 5.1 | 7.9 | 11.1 | 11.7 | 9.5 | 8.9 | 8.7 | 6.5 | 4.2 | 3.2 |
| Precipitation (mm) | 98 | 25 | 114 | 71 | 49 | 51 | 83 | 99 | 77 | 66 | 138 | 83 |
| Sunny days | 7 | 13 | 2 | 9 | 16 | 16 | 5 | 4 | 8 | 10 | 5 | 4 |
| Rainy days | 24 | 15 | 29 | 21 | 15 | 14 | 26 | 27 | 22 | 21 | 25 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Trégrom during the most sunny months:
Months with the longest average daylight duration in Trégrom:
The largest precipitation sum in Trégrom is at