Average annual temperature is 13.5 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Riantec
* Weather data for Riantec 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) | 13.5 | 12.9 | 15.8 | 17.5 | 24.8 | 27.9 | 25.6 | 29.1 | 30.5 | 24.1 | 16.6 | 15.2 |
| Average daytime temperature (°C) | 10.0 | 10.5 | 12.1 | 14.3 | 18.9 | 23.3 | 20.0 | 21.0 | 22.6 | 18.3 | 13.7 | 12.2 |
| Average temperature (°C) | 7.8 | 7.0 | 9.8 | 11.0 | 14.8 | 19.3 | 17.7 | 18.1 | 19.3 | 15.3 | 11.4 | 10.4 |
| Average night temperature (°C) | 5.7 | 3.9 | 7.4 | 7.7 | 10.9 | 15.0 | 15.0 | 15.0 | 16.0 | 12.3 | 9.2 | 8.4 |
| Absolute minimum temperature (°C) | -2.5 | 0.1 | -0.4 | 3.4 | 7.4 | 10.9 | 11.1 | 10.2 | 9.1 | 8.1 | 2.5 | 1.1 |
| 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) | 4.3 | 6.3 | 6.8 | 9.1 | 12.1 | 12.6 | 11.3 | 11.0 | 9.5 | 6.2 | 5.1 | 3.9 |
| Precipitation (mm) | 108 | 16 | 156 | 96 | 51 | 21 | 119 | 71 | 79 | 145 | 193 | 125 |
| Sunny days | 7 | 19 | 6 | 8 | 13 | 16 | 7 | 9 | 11 | 11 | 4 | 7 |
| Rainy days | 24 | 9 | 25 | 22 | 18 | 14 | 24 | 22 | 19 | 20 | 26 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Riantec during the most sunny months:
Months with the longest average daylight duration in Riantec:
The largest precipitation sum in Riantec is at