Average annual temperature is 9.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -25.6 °C
Number of sunny days: 196 days
Number of rainy days: 138 days
Number of snow days: 31 days
Look at detailed online map of Allamakee County
* Weather data for Allamakee 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) | 5.7 | 8.5 | 15.2 | 25.4 | 29.9 | 30.8 | 33.0 | 37.3 | 33.6 | 29.1 | 16.3 | 11.0 |
| Average daytime temperature (°C) | -0.9 | 2.2 | 5.6 | 14.4 | 22.7 | 27.2 | 27.6 | 27.4 | 24.2 | 15.3 | 7.9 | 4.6 |
| Average temperature (°C) | -4.7 | -3.4 | 0.3 | 8.0 | 15.9 | 21.2 | 22.0 | 22.1 | 18.8 | 10.9 | 3.2 | 0.6 |
| Average night temperature (°C) | -7.7 | -7.6 | -3.8 | 3.2 | 9.9 | 15.8 | 16.9 | 17.4 | 14.6 | 7.3 | -0.2 | -1.9 |
| Absolute minimum temperature (°C) | -25.6 | -25.0 | -15.6 | -4.9 | 1.1 | 7.6 | 11.3 | 11.2 | 8.9 | -5.7 | -13.7 | -8.4 |
| 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 | 9.7 | 9.0 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 4.2 | 6.7 | 6.8 | 8.7 | 11.8 | 12.3 | 12.2 | 11.3 | 9.5 | 6.7 | 7.0 | 4.2 |
| Precipitation (mm) | 54 | 43 | 99 | 78 | 68 | 41 | 78 | 37 | 103 | 92 | 8 | 37 |
| Sunny days | 17 | 16 | 12 | 18 | 20 | 17 | 14 | 15 | 10 | 15 | 25 | 17 |
| Rainy days | 6 | 7 | 13 | 10 | 11 | 13 | 17 | 16 | 20 | 13 | 4 | 8 |
| Snow days | 8 | 5 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 6 |
The best time to visit Allamakee County during the most sunny months:
Months with the longest average daylight duration in Allamakee County:
The largest precipitation sum in Allamakee County is at