Average annual temperature is 11.7 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -22.3 °C
Number of sunny days: 195 days
Number of rainy days: 153 days
Number of snow days: 17 days
Look at detailed online map of Kewanee
* Weather data for Kewanee 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) | 14.9 | 13.2 | 21.4 | 25.4 | 32.5 | 33.6 | 35.2 | 35.4 | 32.0 | 28.0 | 19.6 | 14.9 |
| Average daytime temperature (°C) | 3.1 | 6.0 | 8.5 | 17.4 | 24.8 | 29.1 | 28.6 | 27.9 | 24.9 | 17.2 | 9.9 | 6.8 |
| Average temperature (°C) | -1.2 | 0.3 | 3.1 | 10.3 | 18.2 | 22.7 | 23.3 | 22.7 | 19.6 | 12.6 | 5.0 | 2.9 |
| Average night temperature (°C) | -4.1 | -4.0 | -0.8 | 4.8 | 11.8 | 16.6 | 18.2 | 18.3 | 15.4 | 8.9 | 1.0 | 0.5 |
| Absolute minimum temperature (°C) | -22.3 | -18.5 | -12.4 | -1.6 | 2.3 | 8.5 | 14.1 | 11.3 | 10.4 | -2.5 | -11.4 | -8.2 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 3.4 | 7.2 | 6.6 | 9.5 | 11.2 | 12.8 | 12.4 | 11.1 | 9.5 | 7.3 | 7.4 | 4.0 |
| Precipitation (mm) | 55 | 72 | 98 | 59 | 39 | 33 | 126 | 117 | 67 | 72 | 27 | 69 |
| Sunny days | 13 | 17 | 16 | 14 | 20 | 21 | 12 | 14 | 15 | 15 | 23 | 15 |
| Rainy days | 8 | 9 | 14 | 15 | 11 | 9 | 19 | 17 | 15 | 15 | 6 | 15 |
| Snow days | 10 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
The best time to visit Kewanee during the most sunny months:
The largest precipitation sum in Kewanee is at