Average annual temperature is 13.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 203 days
Number of rainy days: 159 days
Number of snow days: 3 days
Look at detailed online map of Jollett
* Weather data for Jollett 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) | 18.1 | 23.1 | 25.1 | 29.9 | 28.7 | 30.9 | 36.5 | 35.1 | 35.5 | 27.3 | 24.7 | 18.8 |
| Average daytime temperature (°C) | 9.2 | 12.1 | 13.1 | 21.4 | 22.0 | 26.0 | 31.5 | 30.1 | 26.0 | 20.6 | 13.1 | 10.4 |
| Average temperature (°C) | 4.6 | 6.3 | 6.6 | 14.0 | 15.7 | 19.6 | 25.0 | 23.5 | 19.8 | 14.4 | 6.9 | 4.9 |
| Average night temperature (°C) | 1.1 | 1.6 | 1.5 | 8.0 | 10.1 | 14.1 | 19.7 | 18.4 | 14.9 | 9.7 | 2.3 | 1.2 |
| Absolute minimum temperature (°C) | -5.9 | -10.9 | -7.1 | -0.4 | 3.6 | 10.3 | 16.6 | 13.7 | 9.8 | 3.8 | -7.0 | -4.8 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 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) | 5.6 | 7.0 | 8.0 | 9.7 | 10.5 | 10.6 | 12.2 | 11.0 | 9.4 | 9.1 | 8.2 | 6.3 |
| Precipitation (mm) | 48 | 65 | 58 | 82 | 34 | 90 | 63 | 18 | 74 | 22 | 56 | 117 |
| Sunny days | 13 | 17 | 15 | 20 | 16 | 13 | 15 | 15 | 17 | 19 | 25 | 18 |
| Rainy days | 17 | 11 | 14 | 10 | 15 | 17 | 16 | 16 | 13 | 12 | 5 | 13 |
| Snow days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Jollett during the most sunny months:
The largest precipitation sum in Jollett is at