Average annual temperature is 9.7 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -24.8 °C
Number of sunny days: 194 days
Number of rainy days: 138 days
Number of snow days: 33 days
Look at detailed online map of Green Lake County
* Weather data for Green Lake 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) | 6.2 | 9.0 | 10.6 | 25.3 | 30.6 | 32.7 | 34.4 | 35.7 | 33.5 | 28.6 | 16.8 | 12.0 |
| Average daytime temperature (°C) | 0.0 | 1.5 | 4.5 | 13.8 | 21.6 | 27.3 | 28.6 | 27.0 | 23.8 | 15.3 | 7.6 | 4.8 |
| Average temperature (°C) | -3.4 | -3.6 | -0.4 | 7.9 | 14.9 | 21.0 | 23.0 | 21.7 | 18.8 | 11.3 | 3.2 | 1.3 |
| Average night temperature (°C) | -5.9 | -7.8 | -4.5 | 3.0 | 9.0 | 15.1 | 17.7 | 17.4 | 14.9 | 8.0 | -0.1 | -1.3 |
| Absolute minimum temperature (°C) | -24.7 | -24.8 | -17.3 | -4.1 | -0.5 | 7.2 | 13.2 | 10.9 | 9.6 | -3.3 | -12.0 | -7.9 |
| 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) | 4.0 | 6.6 | 7.1 | 8.1 | 10.4 | 12.4 | 12.8 | 11.7 | 9.0 | 6.6 | 6.6 | 4.5 |
| Precipitation (mm) | 45 | 74 | 83 | 87 | 38 | 47 | 50 | 121 | 114 | 88 | 19 | 38 |
| Sunny days | 12 | 14 | 10 | 14 | 22 | 22 | 14 | 19 | 13 | 13 | 23 | 18 |
| Rainy days | 9 | 7 | 12 | 15 | 9 | 8 | 17 | 12 | 17 | 16 | 6 | 10 |
| Snow days | 10 | 7 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 |
The best time to visit Green Lake County during the most sunny months:
Months with the longest average daylight duration in Green Lake County:
The largest precipitation sum in Green Lake County is at