Average annual temperature is 12.5 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 116 days
Number of rainy days: 249 days
Look at detailed online map of Dinan
* Weather data for Dinan 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 | 17.5 | 19.2 | 21.5 | 28.8 | 28.3 | 27.8 | 31.8 | 27.2 | 16.6 | 15.0 |
| Average daytime temperature (°C) | 9.0 | 9.9 | 12.1 | 14.1 | 17.5 | 23.2 | 21.8 | 21.9 | 23.5 | 18.5 | 12.3 | 10.9 |
| Average temperature (°C) | 6.6 | 6.1 | 8.9 | 10.0 | 13.5 | 18.2 | 17.6 | 17.8 | 18.7 | 14.2 | 9.7 | 8.5 |
| Average night temperature (°C) | 4.2 | 2.8 | 6.1 | 6.3 | 9.5 | 13.5 | 13.6 | 14.2 | 14.5 | 10.5 | 7.0 | 6.1 |
| Absolute minimum temperature (°C) | -2.8 | -2.9 | -1.1 | 0.6 | 5.7 | 9.6 | 9.4 | 11.1 | 9.2 | 5.8 | 0.4 | -3.4 |
| 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 | 15.7 | 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) | 4.1 | 5.4 | 6.4 | 8.6 | 11.6 | 12.4 | 10.4 | 9.7 | 9.1 | 6.6 | 4.6 | 3.8 |
| Precipitation (mm) | 56 | 12 | 101 | 84 | 57 | 44 | 121 | 65 | 56 | 73 | 115 | 75 |
| Sunny days | 8 | 16 | 4 | 9 | 14 | 16 | 3 | 10 | 11 | 12 | 5 | 8 |
| Rainy days | 23 | 12 | 27 | 21 | 17 | 14 | 28 | 21 | 19 | 19 | 25 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dinan during the most sunny months:
Months with the longest average daylight duration in Dinan:
The largest precipitation sum in Dinan is at