Average annual temperature is 9.5 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -26.8 °C
Number of sunny days: 204 days
Number of rainy days: 128 days
Number of snow days: 33 days
Look at detailed online map of Blue Earth County
* Weather data for Blue Earth 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) | 2.8 | 5.7 | 14.2 | 27.8 | 31.1 | 31.7 | 35.0 | 35.9 | 34.9 | 30.9 | 19.1 | 11.9 |
| Average daytime temperature (°C) | -3.8 | -1.4 | 2.9 | 13.6 | 23.8 | 28.6 | 28.6 | 28.3 | 26.1 | 15.9 | 9.3 | 5.4 |
| Average temperature (°C) | -7.4 | -7.0 | -2.4 | 7.5 | 17.4 | 22.7 | 22.6 | 22.8 | 20.4 | 11.3 | 3.9 | 0.9 |
| Average night temperature (°C) | -10.5 | -11.7 | -6.8 | 2.7 | 11.4 | 17.0 | 17.1 | 18.2 | 15.7 | 7.5 | -0.1 | -2.1 |
| Absolute minimum temperature (°C) | -24.3 | -26.8 | -16.7 | -5.9 | 0.4 | 10.3 | 11.5 | 11.6 | 7.9 | -5.0 | -12.3 | -7.8 |
| 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 | 13.5 | 14.8 | 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) | 4.1 | 6.8 | 7.0 | 8.1 | 11.2 | 13.1 | 12.6 | 11.6 | 10.1 | 7.5 | 6.4 | 5.1 |
| Precipitation (mm) | 66 | 72 | 60 | 125 | 124 | 94 | 77 | 78 | 67 | 150 | 4 | 66 |
| Sunny days | 17 | 17 | 15 | 12 | 20 | 14 | 16 | 19 | 14 | 15 | 24 | 21 |
| Rainy days | 6 | 5 | 6 | 16 | 11 | 16 | 15 | 12 | 16 | 13 | 5 | 7 |
| Snow days | 8 | 6 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 3 |
The best time to visit Blue Earth County during the most sunny months:
Months with the longest average daylight duration in Blue Earth County:
The largest precipitation sum in Blue Earth County is at