Average annual temperature is 12.0 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -5.0 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of Holnon
* Weather data for Holnon 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 | 13.7 | 17.1 | 19.1 | 23.6 | 29.5 | 29.8 | 28.7 | 31.5 | 25.0 | 15.7 | 12.3 |
| Average daytime temperature (°C) | 7.2 | 8.7 | 11.0 | 12.5 | 17.8 | 24.8 | 23.0 | 22.8 | 23.6 | 17.5 | 10.5 | 8.7 |
| Average temperature (°C) | 5.0 | 5.2 | 7.6 | 8.6 | 13.3 | 19.8 | 18.7 | 18.5 | 18.8 | 13.5 | 7.9 | 6.5 |
| Average night temperature (°C) | 2.3 | 2.2 | 4.0 | 4.5 | 8.5 | 14.2 | 14.2 | 14.0 | 14.3 | 9.8 | 5.5 | 4.3 |
| Absolute minimum temperature (°C) | -4.0 | -4.8 | -3.0 | -2.3 | 4.5 | 9.2 | 10.5 | 10.4 | 8.3 | 3.3 | -0.7 | -5.0 |
| 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) | 8.7 | 10.1 | 11.9 | 13.8 | 15.4 | 16.3 | 15.9 | 14.4 | 12.6 | 10.8 | 9.1 | 8.2 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 5.2 | 5.6 | 8.0 | 10.6 | 13.0 | 11.0 | 10.3 | 9.3 | 6.5 | 3.8 | 2.1 |
| Precipitation (mm) | 89 | 10 | 107 | 101 | 63 | 43 | 120 | 97 | 59 | 128 | 122 | 73 |
| Sunny days | 9 | 13 | 4 | 10 | 15 | 20 | 5 | 5 | 16 | 12 | 4 | 6 |
| Rainy days | 22 | 15 | 27 | 20 | 16 | 10 | 26 | 26 | 14 | 19 | 26 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Holnon during the most sunny months:
Months with the longest average daylight duration in Holnon:
The largest precipitation sum in Holnon is at