Average annual temperature is 12.9 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -4.3 °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 Mézy-sur-Seine
* Weather data for Mézy-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) | 14.9 | 14.9 | 19.1 | 20.1 | 24.5 | 31.1 | 31.5 | 31.3 | 34.9 | 28.0 | 17.0 | 14.2 |
| Average daytime temperature (°C) | 8.3 | 9.4 | 12.0 | 13.6 | 18.7 | 25.7 | 24.4 | 23.9 | 25.3 | 18.9 | 11.6 | 9.8 |
| Average temperature (°C) | 5.9 | 5.6 | 8.6 | 9.6 | 14.1 | 20.4 | 19.7 | 19.4 | 19.9 | 14.4 | 8.9 | 7.4 |
| Average night temperature (°C) | 3.3 | 2.2 | 5.2 | 5.4 | 9.4 | 14.7 | 14.8 | 15.0 | 14.8 | 10.3 | 6.3 | 5.1 |
| Absolute minimum temperature (°C) | -2.6 | -4.3 | -2.0 | -0.2 | 5.7 | 9.3 | 11.4 | 11.9 | 7.4 | 4.3 | -0.9 | -3.6 |
| 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 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.1 | 5.0 | 6.2 | 7.9 | 11.1 | 12.7 | 11.2 | 10.2 | 9.4 | 6.8 | 4.4 | 2.7 |
| Precipitation (mm) | 65 | 3 | 91 | 69 | 52 | 63 | 64 | 120 | 71 | 90 | 104 | 67 |
| Sunny days | 10 | 21 | 7 | 10 | 16 | 18 | 9 | 6 | 15 | 13 | 5 | 8 |
| Rainy days | 21 | 7 | 24 | 20 | 15 | 12 | 22 | 25 | 15 | 18 | 25 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Mézy-sur-Seine during the most sunny months:
Months with the longest average daylight duration in Mézy-sur-Seine:
The largest precipitation sum in Mézy-sur-Seine is at