Average annual temperature is 12.7 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Plestan
* Weather data for Plestan 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) | 14.0 | 14.7 | 17.6 | 19.1 | 21.1 | 28.5 | 27.4 | 27.9 | 31.2 | 27.4 | 16.7 | 15.2 |
| Average daytime temperature (°C) | 9.2 | 10.2 | 12.3 | 14.4 | 17.5 | 23.4 | 21.8 | 22.1 | 23.5 | 18.8 | 12.5 | 11.2 |
| Average temperature (°C) | 6.8 | 6.4 | 9.1 | 10.1 | 13.5 | 18.2 | 17.7 | 17.9 | 18.8 | 14.6 | 10.0 | 8.9 |
| Average night temperature (°C) | 4.4 | 3.2 | 6.3 | 6.2 | 9.4 | 13.4 | 13.9 | 14.2 | 14.8 | 11.0 | 7.4 | 6.6 |
| Absolute minimum temperature (°C) | -3.0 | -3.1 | -1.3 | 0.3 | 5.9 | 9.3 | 10.8 | 11.2 | 9.7 | 6.7 | 0.9 | -0.8 |
| 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 | 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 | 16.0 | 15.6 | 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) | 3.6 | 5.4 | 6.5 | 8.5 | 11.6 | 12.5 | 10.3 | 9.5 | 9.0 | 6.5 | 4.6 | 3.6 |
| Precipitation (mm) | 55 | 13 | 128 | 80 | 50 | 38 | 99 | 60 | 54 | 81 | 126 | 68 |
| Sunny days | 6 | 19 | 5 | 10 | 12 | 16 | 3 | 12 | 12 | 13 | 3 | 11 |
| Rainy days | 25 | 9 | 26 | 20 | 19 | 14 | 28 | 19 | 18 | 18 | 27 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Plestan during the most sunny months:
Months with the longest average daylight duration in Plestan:
The largest precipitation sum in Plestan is at