Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 134 days
Number of rainy days: 230 days
Number of snow days: 1 day
Look at detailed online map of Saint-Quentin-en-Yvelines
* Weather data for Saint-Quentin-en-Yvelines 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) | 14.5 | 13.4 | 18.6 | 19.9 | 24.4 | 30.6 | 31.3 | 30.4 | 33.6 | 27.0 | 15.9 | 13.4 |
| Average daytime temperature (°C) | 7.2 | 8.9 | 11.3 | 13.1 | 18.3 | 25.6 | 24.0 | 23.2 | 24.6 | 18.4 | 10.9 | 8.9 |
| Average temperature (°C) | 5.0 | 5.1 | 7.9 | 9.0 | 13.7 | 20.1 | 19.4 | 18.8 | 19.5 | 14.0 | 8.2 | 6.7 |
| Average night temperature (°C) | 2.7 | 1.8 | 4.5 | 5.0 | 9.1 | 14.5 | 14.6 | 14.8 | 14.7 | 10.3 | 5.7 | 4.6 |
| Absolute minimum temperature (°C) | -3.1 | -4.5 | -2.9 | -1.1 | 5.0 | 8.8 | 10.6 | 10.5 | 8.0 | 3.8 | -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 | 15.3 | 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) | 2.7 | 5.2 | 6.1 | 7.8 | 11.2 | 12.6 | 10.9 | 9.8 | 9.5 | 6.8 | 4.4 | 2.3 |
| Precipitation (mm) | 65 | 4 | 80 | 67 | 72 | 51 | 97 | 130 | 80 | 99 | 97 | 61 |
| Sunny days | 9 | 19 | 6 | 10 | 16 | 20 | 9 | 5 | 16 | 13 | 3 | 8 |
| Rainy days | 22 | 9 | 25 | 20 | 15 | 10 | 22 | 26 | 14 | 18 | 27 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Saint-Quentin-en-Yvelines during the most sunny months:
Months with the longest average daylight duration in Saint-Quentin-en-Yvelines:
The largest precipitation sum in Saint-Quentin-en-Yvelines is at