Average annual temperature is 11.2 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -9.0 °C
Number of sunny days: 174 days
Number of rainy days: 189 days
Number of snow days: 2 days
Look at detailed online map of Polk County
* Weather data for Polk 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) | 10.9 | 12.8 | 15.0 | 27.3 | 30.1 | 32.2 | 34.5 | 38.1 | 31.4 | 25.9 | 15.2 | 13.8 |
| Average daytime temperature (°C) | 7.6 | 7.5 | 8.8 | 12.3 | 21.6 | 25.0 | 28.7 | 29.7 | 22.3 | 16.9 | 10.6 | 9.7 |
| Average temperature (°C) | 4.5 | 3.4 | 4.1 | 7.4 | 14.6 | 16.6 | 20.0 | 21.4 | 15.9 | 12.1 | 7.3 | 7.0 |
| Average night temperature (°C) | 2.2 | 0.7 | 1.3 | 4.2 | 9.6 | 10.7 | 13.4 | 15.5 | 11.7 | 9.1 | 5.0 | 4.9 |
| Absolute minimum temperature (°C) | -5.3 | -9.0 | -6.0 | -0.3 | 3.7 | 6.4 | 10.1 | 10.2 | 8.9 | 0.2 | -1.2 | 0.0 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.7 | 5.1 | 5.9 | 6.4 | 11.5 | 13.4 | 13.6 | 12.0 | 9.1 | 6.5 | 4.7 | 2.8 |
| Precipitation (mm) | 188 | 106 | 161 | 204 | 16 | 9 | 1 | 19 | 85 | 80 | 151 | 382 |
| Sunny days | 9 | 8 | 4 | 6 | 20 | 23 | 29 | 23 | 17 | 14 | 13 | 8 |
| Rainy days | 22 | 19 | 26 | 24 | 11 | 7 | 2 | 8 | 13 | 17 | 17 | 23 |
| Snow days | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Polk County during the most sunny months:
Months with the longest average daylight duration in Polk County:
The largest precipitation sum in Polk County is at