Average annual temperature is 9.8 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -25.7 °C
Number of sunny days: 195 days
Number of rainy days: 142 days
Number of snow days: 28 days
Look at detailed online map of Iowa County
* Weather data for Iowa County 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) | 7.6 | 8.8 | 18.3 | 25.5 | 31.2 | 33.9 | 32.7 | 36.7 | 33.3 | 28.6 | 16.5 | 12.0 |
| Average daytime temperature (°C) | 0.2 | 2.6 | 5.9 | 14.4 | 22.5 | 27.6 | 27.6 | 27.3 | 23.9 | 15.0 | 7.7 | 4.6 |
| Average temperature (°C) | -3.4 | -2.7 | 0.6 | 8.1 | 15.7 | 21.1 | 22.2 | 21.9 | 18.7 | 10.9 | 3.2 | 1.0 |
| Average night temperature (°C) | -6.0 | -7.0 | -3.6 | 3.3 | 9.9 | 15.4 | 17.2 | 17.4 | 14.8 | 7.3 | -0.3 | -1.5 |
| Absolute minimum temperature (°C) | -25.7 | -24.5 | -17.4 | -4.5 | 0.1 | 6.7 | 12.1 | 10.3 | 8.3 | -4.6 | -13.2 | -8.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.9 | 6.7 | 6.4 | 8.3 | 11.2 | 12.3 | 12.6 | 11.5 | 9.2 | 6.7 | 6.9 | 4.1 |
| Precipitation (mm) | 62 | 75 | 77 | 110 | 39 | 24 | 82 | 53 | 96 | 110 | 25 | 46 |
| Sunny days | 15 | 16 | 12 | 16 | 22 | 16 | 17 | 16 | 11 | 14 | 23 | 17 |
| Rainy days | 8 | 8 | 11 | 13 | 9 | 14 | 14 | 15 | 19 | 15 | 5 | 11 |
| Snow days | 8 | 4 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 |
The best time to visit Iowa County during the most sunny months:
Months with the longest average daylight duration in Iowa County:
The largest precipitation sum in Iowa County is at