Average annual temperature is 14.4 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 203 days
Number of rainy days: 157 days
Number of snow days: 5 days
Look at detailed online map of Oskaloosa
* Weather data for Oskaloosa 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) | 19.6 | 21.7 | 23.0 | 28.3 | 31.8 | 35.8 | 36.8 | 36.7 | 32.0 | 29.3 | 25.6 | 17.2 |
| Average daytime temperature (°C) | 8.2 | 11.3 | 12.9 | 20.5 | 25.7 | 30.2 | 31.0 | 29.7 | 26.9 | 20.3 | 13.9 | 10.0 |
| Average temperature (°C) | 3.6 | 5.3 | 6.9 | 13.4 | 19.4 | 23.6 | 25.6 | 24.2 | 21.2 | 15.1 | 8.3 | 5.3 |
| Average night temperature (°C) | 0.3 | 1.0 | 2.2 | 7.8 | 13.5 | 18.0 | 20.8 | 19.8 | 16.3 | 11.0 | 4.0 | 2.2 |
| Absolute minimum temperature (°C) | -11.5 | -11.0 | -6.8 | 0.5 | 5.7 | 12.9 | 16.8 | 13.6 | 12.3 | -2.0 | -6.3 | -6.3 |
| 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 | 14.6 | 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) | 4.8 | 7.7 | 7.4 | 10.1 | 11.3 | 12.4 | 12.3 | 10.4 | 10.4 | 7.4 | 8.0 | 5.6 |
| Precipitation (mm) | 102 | 64 | 205 | 95 | 69 | 49 | 73 | 173 | 85 | 64 | 14 | 68 |
| Sunny days | 14 | 18 | 14 | 17 | 20 | 21 | 10 | 13 | 17 | 20 | 22 | 17 |
| Rainy days | 12 | 10 | 17 | 13 | 11 | 9 | 21 | 18 | 13 | 11 | 8 | 14 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oskaloosa during the most sunny months:
The largest precipitation sum in Oskaloosa is at