Average annual temperature is 13.0 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 156 days
Number of rainy days: 203 days
Number of snow days: 6 days
Look at detailed online map of Big Isaac
* Weather data for Big Isaac 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) | 19.8 | 22.3 | 23.2 | 29.1 | 28.1 | 32.0 | 32.0 | 30.9 | 30.9 | 27.6 | 21.3 | 18.5 |
| Average daytime temperature (°C) | 9.8 | 12.7 | 12.7 | 19.7 | 21.9 | 25.8 | 28.7 | 27.2 | 24.2 | 19.2 | 12.9 | 10.2 |
| Average temperature (°C) | 4.6 | 6.3 | 6.4 | 12.9 | 15.7 | 19.7 | 23.3 | 21.9 | 18.8 | 14.0 | 7.0 | 5.3 |
| Average night temperature (°C) | 1.3 | 1.5 | 1.4 | 7.1 | 10.1 | 14.1 | 18.9 | 17.5 | 14.4 | 9.9 | 2.5 | 1.8 |
| Absolute minimum temperature (°C) | -6.6 | -10.0 | -8.4 | 0.0 | 2.6 | 9.2 | 14.8 | 11.9 | 8.8 | 1.2 | -7.1 | -5.1 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 3.6 | 6.7 | 7.2 | 8.5 | 9.6 | 10.9 | 11.3 | 10.4 | 9.2 | 7.3 | 7.1 | 4.8 |
| Precipitation (mm) | 103 | 83 | 88 | 66 | 110 | 95 | 96 | 145 | 76 | 58 | 52 | 97 |
| Sunny days | 8 | 13 | 13 | 17 | 16 | 12 | 6 | 10 | 12 | 15 | 20 | 14 |
| Rainy days | 22 | 13 | 17 | 13 | 15 | 18 | 25 | 21 | 18 | 16 | 9 | 16 |
| Snow days | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Big Isaac during the most sunny months:
The largest precipitation sum in Big Isaac is at