Average annual temperature is 13.8 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 215 days
Number of rainy days: 145 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) | 12.8 | 16.9 | 22.7 | 27.3 | 31.6 | 36.6 | 37.5 | 38.1 | 34.3 | 31.9 | 22.9 | 15.1 |
| Average daytime temperature (°C) | 5.8 | 9.3 | 11.1 | 19.7 | 25.6 | 30.1 | 31.4 | 31.3 | 28.8 | 20.2 | 12.4 | 8.6 |
| Average temperature (°C) | 0.7 | 2.3 | 5.2 | 12.8 | 19.2 | 24.1 | 25.6 | 25.6 | 22.5 | 14.9 | 7.2 | 4.1 |
| Average night temperature (°C) | -2.8 | -2.6 | 1.0 | 7.4 | 13.9 | 18.8 | 20.9 | 21.2 | 17.3 | 10.5 | 3.2 | 1.2 |
| Absolute minimum temperature (°C) | -12.7 | -12.3 | -8.4 | -0.9 | 5.6 | 12.8 | 17.0 | 15.4 | 13.0 | -3.3 | -7.8 | -4.1 |
| 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) | 6.2 | 8.0 | 7.4 | 10.2 | 10.3 | 12.2 | 10.6 | 11.3 | 10.6 | 7.9 | 6.7 | 5.0 |
| Precipitation (mm) | 46 | 62 | 63 | 64 | 82 | 71 | 112 | 104 | 79 | 111 | 29 | 88 |
| Sunny days | 20 | 19 | 17 | 19 | 14 | 16 | 12 | 16 | 23 | 18 | 22 | 19 |
| Rainy days | 11 | 9 | 13 | 11 | 17 | 14 | 19 | 15 | 7 | 13 | 6 | 10 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Oskaloosa during the most sunny months:
The largest precipitation sum in Oskaloosa is at