Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -8.0 °C
Number of sunny days: 184 days
Number of rainy days: 178 days
Number of snow days: 3 days
Look at detailed online map of Isonville
* Weather data for Isonville United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.1 | 25.0 | 24.7 | 28.7 | 28.8 | 32.3 | 36.4 | 36.0 | 34.1 | 30.2 | 26.5 | 19.6 |
| Average daytime temperature (°C) | 10.9 | 14.3 | 14.6 | 20.6 | 23.9 | 27.5 | 31.4 | 30.5 | 27.6 | 21.4 | 14.9 | 11.8 |
| Average temperature (°C) | 5.7 | 7.7 | 7.8 | 13.7 | 17.3 | 21.2 | 25.0 | 24.0 | 21.0 | 15.4 | 8.4 | 6.1 |
| Average night temperature (°C) | 2.1 | 2.9 | 2.6 | 7.8 | 11.6 | 15.7 | 20.0 | 18.8 | 15.5 | 10.7 | 3.8 | 2.4 |
| Absolute minimum temperature (°C) | -6.2 | -7.5 | -8.0 | 0.6 | 3.6 | 10.7 | 16.2 | 12.9 | 11.4 | 3.5 | -6.2 | -5.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 7.3 | 7.7 | 9.6 | 10.2 | 11.1 | 11.7 | 10.1 | 9.9 | 7.7 | 7.2 | 5.8 |
| Precipitation (mm) | 104 | 96 | 96 | 60 | 56 | 78 | 55 | 82 | 38 | 38 | 42 | 82 |
| Sunny days | 9 | 15 | 16 | 17 | 16 | 15 | 9 | 13 | 16 | 20 | 22 | 16 |
| Rainy days | 20 | 13 | 14 | 13 | 15 | 15 | 22 | 18 | 14 | 11 | 8 | 15 |
| Snow days | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Isonville during the most sunny months:
The largest precipitation sum in Isonville is at