Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 143 days
Number of rainy days: 222 days
Look at detailed online map of Le Boullay-Thierry
* Weather data for Le Boullay-Thierry 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) | 13.9 | 13.8 | 18.3 | 20.1 | 24.2 | 31.2 | 30.0 | 30.8 | 33.4 | 27.1 | 15.9 | 13.7 |
| Average daytime temperature (°C) | 7.1 | 8.8 | 11.1 | 12.9 | 18.0 | 25.1 | 23.7 | 23.2 | 24.6 | 18.2 | 11.0 | 9.0 |
| Average temperature (°C) | 5.0 | 4.7 | 7.7 | 8.8 | 13.4 | 19.7 | 19.0 | 18.7 | 19.2 | 13.8 | 8.3 | 6.7 |
| Average night temperature (°C) | 2.5 | 1.3 | 4.3 | 4.7 | 8.6 | 13.7 | 14.2 | 14.5 | 14.2 | 10.0 | 5.5 | 4.5 |
| Absolute minimum temperature (°C) | -2.9 | -5.3 | -3.2 | -2.2 | 4.5 | 8.6 | 10.2 | 10.3 | 8.0 | 3.7 | -0.7 | -4.0 |
| 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 | 15.2 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| 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) | 3.1 | 5.3 | 6.3 | 8.1 | 11.4 | 12.5 | 10.7 | 9.7 | 9.8 | 6.8 | 4.6 | 2.6 |
| Precipitation (mm) | 61 | 3 | 82 | 64 | 56 | 45 | 85 | 94 | 64 | 93 | 86 | 53 |
| Sunny days | 9 | 20 | 5 | 11 | 16 | 20 | 11 | 7 | 17 | 13 | 5 | 9 |
| Rainy days | 22 | 8 | 26 | 19 | 15 | 10 | 20 | 24 | 13 | 18 | 25 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Le Boullay-Thierry during the most sunny months:
Months with the longest average daylight duration in Le Boullay-Thierry:
The largest precipitation sum in Le Boullay-Thierry is at