Average annual temperature is 9.8 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -24.5 °C
Number of sunny days: 187 days
Number of rainy days: 148 days
Number of snow days: 30 days
Look at detailed online map of Decorah Beach
* Weather data for Decorah Beach 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) | 6.8 | 9.5 | 9.5 | 24.8 | 30.2 | 30.8 | 32.7 | 34.9 | 33.4 | 29.1 | 16.9 | 11.6 |
| Average daytime temperature (°C) | -0.1 | 1.2 | 4.0 | 13.4 | 20.2 | 25.9 | 27.7 | 26.3 | 23.4 | 15.3 | 7.4 | 4.6 |
| Average temperature (°C) | -3.0 | -3.4 | -0.2 | 7.9 | 14.3 | 20.5 | 22.7 | 21.7 | 19.1 | 11.8 | 3.5 | 1.6 |
| Average night temperature (°C) | -5.0 | -7.0 | -3.6 | 3.4 | 9.6 | 15.9 | 18.4 | 18.0 | 15.9 | 9.0 | 0.5 | -0.7 |
| Absolute minimum temperature (°C) | -24.5 | -23.0 | -11.6 | -3.1 | 1.2 | 10.0 | 14.9 | 11.9 | 9.5 | -2.2 | -11.1 | -7.3 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 3.8 | 6.5 | 6.9 | 8.4 | 10.4 | 12.4 | 12.9 | 11.7 | 9.3 | 6.4 | 6.6 | 4.6 |
| Precipitation (mm) | 40 | 86 | 87 | 96 | 53 | 83 | 52 | 75 | 51 | 97 | 28 | 35 |
| Sunny days | 12 | 13 | 10 | 14 | 18 | 21 | 11 | 17 | 13 | 14 | 24 | 20 |
| Rainy days | 8 | 8 | 13 | 15 | 13 | 9 | 20 | 14 | 17 | 16 | 5 | 10 |
| Snow days | 11 | 7 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
The best time to visit Decorah Beach during the most sunny months:
Months with the longest average daylight duration in Decorah Beach:
The largest precipitation sum in Decorah Beach is at