Average annual temperature is 13.6 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 155 days
Number of rainy days: 209 days
Number of snow days: 1 day
Look at detailed online map of Le Petit Riau
* Weather data for Le Petit Riau 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) | 17.6 | 17.2 | 21.0 | 22.5 | 27.3 | 31.7 | 32.5 | 35.6 | 34.4 | 30.3 | 17.6 | 14.8 |
| Average daytime temperature (°C) | 8.1 | 10.1 | 13.0 | 15.1 | 20.8 | 27.3 | 25.7 | 25.5 | 26.7 | 20.4 | 12.2 | 9.9 |
| Average temperature (°C) | 5.9 | 5.3 | 8.9 | 10.6 | 15.6 | 21.7 | 20.7 | 20.7 | 20.8 | 15.2 | 9.5 | 7.7 |
| Average night temperature (°C) | 3.5 | 1.6 | 4.8 | 6.1 | 10.4 | 15.6 | 15.6 | 15.9 | 15.4 | 10.7 | 6.5 | 5.3 |
| Absolute minimum temperature (°C) | -3.5 | -5.8 | -2.8 | -1.4 | 6.3 | 11.4 | 11.1 | 9.4 | 6.2 | 5.7 | -1.8 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.8 | 6.0 | 6.9 | 8.2 | 11.3 | 12.6 | 11.4 | 9.8 | 10.3 | 7.2 | 4.9 | 2.9 |
| Precipitation (mm) | 70 | 15 | 82 | 46 | 59 | 77 | 57 | 46 | 46 | 111 | 78 | 71 |
| Sunny days | 7 | 18 | 11 | 10 | 15 | 19 | 14 | 12 | 17 | 15 | 6 | 11 |
| Rainy days | 23 | 10 | 20 | 20 | 16 | 11 | 17 | 19 | 13 | 16 | 24 | 20 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Le Petit Riau during the most sunny months:
Months with the longest average daylight duration in Le Petit Riau:
The largest precipitation sum in Le Petit Riau is at