Average annual temperature is 13.1 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 135 days
Number of rainy days: 230 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) | 16.1 | 14.6 | 19.7 | 21.0 | 25.7 | 31.4 | 32.7 | 31.4 | 34.0 | 27.4 | 17.0 | 14.3 |
| Average daytime temperature (°C) | 8.2 | 9.8 | 12.4 | 14.2 | 19.5 | 26.8 | 25.3 | 24.0 | 25.3 | 19.2 | 11.9 | 9.7 |
| Average temperature (°C) | 5.9 | 5.6 | 8.7 | 9.9 | 14.8 | 21.2 | 20.6 | 19.7 | 19.9 | 14.6 | 8.9 | 7.5 |
| Average night temperature (°C) | 3.3 | 2.1 | 5.0 | 5.7 | 10.0 | 15.3 | 15.6 | 15.6 | 14.8 | 10.5 | 6.3 | 5.2 |
| Absolute minimum temperature (°C) | -2.9 | -5.3 | -2.2 | -0.4 | 6.0 | 10.2 | 11.3 | 11.3 | 6.9 | 4.6 | -0.7 | -2.7 |
| 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 | 8.4 |
| 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) | 2.6 | 4.9 | 5.8 | 7.5 | 11.1 | 12.4 | 10.4 | 9.5 | 9.2 | 6.6 | 4.4 | 2.0 |
| Precipitation (mm) | 61 | 9 | 95 | 72 | 70 | 59 | 109 | 112 | 85 | 94 | 99 | 63 |
| Sunny days | 8 | 19 | 7 | 9 | 16 | 19 | 10 | 6 | 18 | 12 | 3 | 8 |
| Rainy days | 23 | 9 | 24 | 21 | 15 | 11 | 21 | 25 | 12 | 19 | 27 | 23 |
| 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