Average annual temperature is 13.9 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 132 days
Number of rainy days: 233 days
Look at detailed online map of Olonne-sur-Mer
* Weather data for Olonne-sur-Mer 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) | 15.3 | 16.1 | 17.1 | 20.7 | 27.3 | 29.7 | 30.3 | 34.8 | 33.5 | 27.9 | 17.3 | 15.3 |
| Average daytime temperature (°C) | 9.3 | 10.4 | 12.1 | 14.6 | 19.9 | 25.0 | 22.4 | 23.6 | 24.7 | 20.1 | 13.6 | 11.7 |
| Average temperature (°C) | 7.3 | 6.4 | 9.3 | 11.1 | 15.8 | 20.7 | 19.1 | 19.9 | 20.3 | 16.2 | 11.1 | 9.4 |
| Average night temperature (°C) | 5.1 | 3.2 | 6.4 | 7.7 | 11.4 | 16.5 | 15.6 | 16.2 | 16.5 | 12.8 | 8.5 | 6.9 |
| Absolute minimum temperature (°C) | -3.0 | -3.1 | -2.0 | 1.1 | 7.1 | 14.2 | 10.3 | 10.6 | 10.0 | 8.2 | 0.4 | -1.5 |
| 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) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 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) | 4.2 | 6.5 | 7.5 | 9.0 | 12.1 | 12.4 | 12.3 | 10.9 | 10.0 | 6.8 | 5.3 | 4.5 |
| Precipitation (mm) | 140 | 32 | 155 | 73 | 41 | 43 | 72 | 40 | 80 | 227 | 176 | 151 |
| Sunny days | 8 | 20 | 10 | 9 | 14 | 16 | 6 | 11 | 13 | 13 | 4 | 8 |
| Rainy days | 23 | 8 | 21 | 21 | 17 | 14 | 25 | 20 | 17 | 18 | 26 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Olonne-sur-Mer during the most sunny months:
Months with the longest average daylight duration in Olonne-sur-Mer:
The largest precipitation sum in Olonne-sur-Mer is at