Average annual temperature is 12.6 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Boissy-le-Châtel
* Weather data for Boissy-le-Châtel 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) | 14.7 | 14.8 | 18.9 | 20.3 | 25.0 | 30.0 | 31.7 | 30.5 | 33.1 | 26.6 | 16.1 | 12.9 |
| Average daytime temperature (°C) | 7.5 | 9.3 | 11.8 | 13.3 | 18.7 | 25.7 | 24.4 | 23.4 | 25.0 | 18.5 | 11.0 | 8.8 |
| Average temperature (°C) | 5.3 | 5.3 | 8.1 | 9.3 | 14.2 | 20.5 | 19.8 | 19.3 | 19.8 | 14.2 | 8.2 | 6.8 |
| Average night temperature (°C) | 2.9 | 2.0 | 4.5 | 5.2 | 9.5 | 14.9 | 15.1 | 15.3 | 15.0 | 10.3 | 5.7 | 4.7 |
| Absolute minimum temperature (°C) | -4.5 | -4.6 | -2.4 | -1.3 | 5.7 | 10.1 | 10.8 | 11.2 | 8.6 | 3.9 | -1.1 | -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 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| 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) | 2.6 | 5.0 | 6.0 | 7.7 | 11.5 | 13.2 | 10.7 | 9.7 | 9.4 | 6.6 | 4.0 | 2.0 |
| Precipitation (mm) | 87 | 11 | 111 | 94 | 60 | 57 | 85 | 118 | 50 | 111 | 120 | 104 |
| Sunny days | 8 | 16 | 5 | 9 | 18 | 20 | 8 | 8 | 16 | 13 | 3 | 7 |
| Rainy days | 23 | 12 | 26 | 21 | 13 | 10 | 23 | 23 | 14 | 18 | 27 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Boissy-le-Châtel during the most sunny months:
Months with the longest average daylight duration in Boissy-le-Châtel:
The largest precipitation sum in Boissy-le-Châtel is at