Average annual temperature is 12.4 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 142 days
Number of rainy days: 214 days
Number of snow days: 9 days
Look at detailed online map of Le Grand Saint-Cyr
* Weather data for Le Grand Saint-Cyr 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) | 14.8 | 14.0 | 19.6 | 23.3 | 24.8 | 29.7 | 33.8 | 36.0 | 31.4 | 25.4 | 16.2 | 14.2 |
| Average daytime temperature (°C) | 5.9 | 8.4 | 11.9 | 13.4 | 18.3 | 25.2 | 25.6 | 26.2 | 25.1 | 19.1 | 10.0 | 8.1 |
| Average temperature (°C) | 3.6 | 4.5 | 7.6 | 9.4 | 14.3 | 20.3 | 20.7 | 20.9 | 19.8 | 14.6 | 7.0 | 5.2 |
| Average night temperature (°C) | 0.9 | 1.1 | 3.6 | 5.6 | 10.6 | 15.6 | 15.6 | 16.3 | 14.5 | 10.3 | 3.9 | 2.4 |
| Absolute minimum temperature (°C) | -8.3 | -4.6 | -3.1 | -0.1 | 6.7 | 12.0 | 11.3 | 9.9 | 8.3 | 3.9 | -3.1 | -5.9 |
| 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 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| 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) | 2.9 | 6.4 | 7.8 | 8.1 | 9.6 | 12.7 | 12.7 | 10.6 | 10.5 | 7.4 | 4.1 | 3.6 |
| Precipitation (mm) | 59 | 12 | 103 | 78 | 53 | 103 | 83 | 72 | 89 | 143 | 113 | 93 |
| Sunny days | 9 | 19 | 9 | 9 | 7 | 11 | 10 | 13 | 22 | 14 | 8 | 11 |
| Rainy days | 14 | 8 | 22 | 21 | 24 | 19 | 21 | 18 | 8 | 17 | 22 | 20 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Le Grand Saint-Cyr during the most sunny months:
Months with the longest average daylight duration in Le Grand Saint-Cyr:
The largest precipitation sum in Le Grand Saint-Cyr is at