Average annual temperature is 13.1 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 138 days
Number of rainy days: 226 days
Number of snow days: 1 day
Look at detailed online map of Croissy-sur-Seine
* Weather data for Croissy-sur-Seine 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) | 15.5 | 14.9 | 19.5 | 20.7 | 25.6 | 31.4 | 32.6 | 31.0 | 33.9 | 27.8 | 17.1 | 14.4 |
| Average daytime temperature (°C) | 8.2 | 9.7 | 12.2 | 14.1 | 19.4 | 26.5 | 25.1 | 24.1 | 25.1 | 19.2 | 11.7 | 9.8 |
| Average temperature (°C) | 6.0 | 5.8 | 8.8 | 9.8 | 14.5 | 21.0 | 20.3 | 19.6 | 19.9 | 14.7 | 9.1 | 7.6 |
| Average night temperature (°C) | 3.5 | 2.4 | 5.3 | 5.5 | 9.8 | 15.1 | 15.4 | 15.3 | 14.9 | 10.7 | 6.6 | 5.5 |
| Absolute minimum temperature (°C) | -3.4 | -4.6 | -2.3 | -0.9 | 5.8 | 9.6 | 11.8 | 11.5 | 8.0 | 4.3 | 0.0 | -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) | 2.8 | 5.0 | 6.2 | 7.9 | 11.2 | 12.7 | 10.8 | 10.0 | 9.6 | 6.7 | 4.6 | 2.5 |
| Precipitation (mm) | 69 | 5 | 84 | 70 | 64 | 59 | 89 | 134 | 79 | 98 | 93 | 71 |
| Sunny days | 11 | 20 | 6 | 8 | 17 | 16 | 10 | 6 | 18 | 13 | 3 | 10 |
| Rainy days | 20 | 8 | 25 | 22 | 14 | 14 | 21 | 25 | 12 | 18 | 27 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Croissy-sur-Seine during the most sunny months:
Months with the longest average daylight duration in Croissy-sur-Seine:
The largest precipitation sum in Croissy-sur-Seine is at