Average annual temperature is 11.1 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of Grigny
* Weather data for Grigny 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) | 13.0 | 11.1 | 16.2 | 15.2 | 20.5 | 29.5 | 27.4 | 25.2 | 29.5 | 24.0 | 14.0 | 11.9 |
| Average daytime temperature (°C) | 7.2 | 7.9 | 9.5 | 11.4 | 15.5 | 22.2 | 19.9 | 19.9 | 21.8 | 15.8 | 9.8 | 8.5 |
| Average temperature (°C) | 5.1 | 5.2 | 6.7 | 7.8 | 11.7 | 17.5 | 16.8 | 16.6 | 17.8 | 12.9 | 7.7 | 6.7 |
| Average night temperature (°C) | 2.8 | 2.6 | 3.7 | 4.1 | 7.8 | 13.0 | 13.7 | 13.2 | 14.0 | 10.3 | 5.6 | 4.8 |
| Absolute minimum temperature (°C) | -4.2 | -3.2 | -2.8 | -1.2 | 3.5 | 9.1 | 10.1 | 10.2 | 9.5 | 3.2 | -1.3 | -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 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.1 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.6 | 4.9 | 5.0 | 8.6 | 11.2 | 12.7 | 11.3 | 10.6 | 8.9 | 6.3 | 3.3 | 2.5 |
| Precipitation (mm) | 162 | 18 | 189 | 91 | 40 | 38 | 139 | 127 | 75 | 153 | 225 | 151 |
| Sunny days | 10 | 13 | 5 | 8 | 16 | 22 | 4 | 8 | 13 | 9 | 5 | 6 |
| Rainy days | 21 | 15 | 26 | 22 | 15 | 8 | 27 | 23 | 17 | 22 | 25 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grigny during the most sunny months:
Months with the longest average daylight duration in Grigny:
The largest precipitation sum in Grigny is at