Average annual temperature is 12.2 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -6.1 °C
Number of sunny days: 146 days
Number of rainy days: 217 days
Number of snow days: 2 days
Look at detailed online map of Billy-sur-Oisy
* Weather data for Billy-sur-Oisy 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) | 15.6 | 16.3 | 20.0 | 20.6 | 25.3 | 29.9 | 30.6 | 31.6 | 32.6 | 28.3 | 15.4 | 12.5 |
| Average daytime temperature (°C) | 6.5 | 8.9 | 11.6 | 13.2 | 18.8 | 25.4 | 24.0 | 24.1 | 25.5 | 19.1 | 10.5 | 8.4 |
| Average temperature (°C) | 4.5 | 4.3 | 7.5 | 9.0 | 14.2 | 20.2 | 19.3 | 19.6 | 19.6 | 14.1 | 7.8 | 6.2 |
| Average night temperature (°C) | 2.2 | 0.7 | 3.5 | 4.6 | 9.5 | 14.3 | 14.5 | 15.4 | 14.3 | 9.7 | 5.1 | 4.0 |
| Absolute minimum temperature (°C) | -3.9 | -6.1 | -3.5 | -2.4 | 5.8 | 10.7 | 10.5 | 9.7 | 5.9 | 3.5 | -2.4 | -5.1 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| 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) | 2.2 | 6.0 | 7.0 | 8.0 | 10.7 | 12.9 | 11.1 | 10.0 | 10.0 | 6.8 | 3.8 | 2.0 |
| Precipitation (mm) | 74 | 13 | 83 | 54 | 59 | 47 | 107 | 60 | 29 | 126 | 123 | 89 |
| Sunny days | 10 | 19 | 11 | 11 | 12 | 18 | 12 | 9 | 16 | 14 | 4 | 10 |
| Rainy days | 19 | 9 | 20 | 19 | 19 | 12 | 19 | 22 | 14 | 17 | 26 | 21 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Billy-sur-Oisy during the most sunny months:
Months with the longest average daylight duration in Billy-sur-Oisy:
The largest precipitation sum in Billy-sur-Oisy is at