Average annual temperature is 15.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 207 days
Number of rainy days: 157 days
Number of snow days: 1 day
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) | 19.5 | 20.2 | 24.8 | 26.8 | 31.2 | 38.9 | 36.9 | 39.9 | 35.0 | 31.4 | 25.3 | 17.5 |
| Average daytime temperature (°C) | 9.7 | 12.3 | 13.8 | 21.1 | 26.5 | 31.0 | 33.2 | 33.2 | 29.3 | 21.1 | 15.1 | 11.1 |
| Average temperature (°C) | 3.8 | 5.4 | 7.9 | 14.3 | 19.9 | 24.6 | 27.1 | 27.1 | 22.8 | 15.9 | 9.2 | 6.4 |
| Average night temperature (°C) | -0.5 | 0.4 | 3.4 | 8.4 | 14.3 | 18.7 | 22.0 | 22.1 | 17.5 | 11.7 | 4.8 | 2.9 |
| Absolute minimum temperature (°C) | -9.9 | -9.0 | -6.7 | 1.0 | 5.1 | 13.8 | 16.1 | 15.3 | 12.1 | -1.6 | -5.0 | -3.7 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 5.8 | 7.4 | 6.9 | 10.1 | 10.4 | 12.5 | 11.1 | 11.5 | 10.3 | 7.8 | 7.5 | 5.2 |
| Precipitation (mm) | 66 | 85 | 156 | 21 | 118 | 57 | 47 | 38 | 65 | 96 | 29 | 101 |
| Sunny days | 18 | 17 | 13 | 18 | 14 | 17 | 14 | 20 | 20 | 18 | 23 | 15 |
| Rainy days | 12 | 11 | 18 | 12 | 17 | 13 | 17 | 11 | 10 | 13 | 7 | 16 |
| Snow days | 1 | 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