Average annual temperature is 7.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -16.1 °C
Number of sunny days: 117 days
Number of rainy days: 231 days
Number of snow days: 17 days
Look at detailed online map of Bionnassay
* Weather data for Bionnassay 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) | 11.2 | 13.1 | 14.8 | 15.3 | 20.9 | 25.8 | 31.2 | 31.9 | 26.4 | 24.8 | 11.9 | 11.8 |
| Average daytime temperature (°C) | 2.1 | 5.9 | 7.6 | 8.5 | 15.2 | 20.6 | 22.6 | 22.3 | 21.3 | 16.5 | 5.5 | 4.9 |
| Average temperature (°C) | -2.1 | 1.2 | 2.6 | 3.6 | 9.9 | 15.3 | 16.9 | 17.0 | 15.2 | 11.1 | 1.6 | 0.9 |
| Average night temperature (°C) | -6.6 | -3.8 | -2.1 | -1.1 | 4.3 | 9.3 | 10.7 | 11.5 | 9.1 | 5.9 | -3.6 | -4.1 |
| Absolute minimum temperature (°C) | -16.1 | -13.2 | -9.3 | -8.4 | 1.6 | 5.2 | 2.9 | 3.4 | 0.1 | -0.3 | -15.3 | -14.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.5 | 8.4 | 6.8 | 8.6 | 10.5 | 12.5 | 12.5 | 10.9 | 10.2 | 7.5 | 3.7 | 4.1 |
| Precipitation (mm) | 138 | 14 | 292 | 186 | 195 | 186 | 217 | 145 | 108 | 243 | 305 | 318 |
| Sunny days | 17 | 21 | 11 | 7 | 2 | 3 | 3 | 8 | 12 | 16 | 5 | 12 |
| Rainy days | 10 | 5 | 17 | 20 | 29 | 27 | 28 | 23 | 18 | 15 | 21 | 18 |
| Snow days | 4 | 2 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 |
The best time to visit Bionnassay during the most sunny months:
Months with the longest average daylight duration in Bionnassay:
The largest precipitation sum in Bionnassay is at