Average annual temperature is 23.4 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 2.3 °C
Number of sunny days: 142 days
Number of rainy days: 223 days
Look at detailed online map of Green Bay
* Weather data for Green Bay 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) | 28.8 | 32.5 | 34.6 | 34.5 | 35.3 | 35.9 | 36.9 | 37.6 | 34.3 | 30.9 | 31.2 | 28.4 |
| Average daytime temperature (°C) | 23.7 | 28.2 | 29.3 | 30.5 | 31.6 | 31.9 | 34.0 | 34.3 | 31.8 | 28.3 | 25.4 | 22.0 |
| Average temperature (°C) | 17.5 | 21.0 | 22.2 | 24.0 | 25.1 | 26.3 | 28.2 | 28.6 | 26.5 | 23.4 | 20.2 | 17.4 |
| Average night temperature (°C) | 12.9 | 15.5 | 16.4 | 19.1 | 20.0 | 22.3 | 24.5 | 24.6 | 22.7 | 19.6 | 16.4 | 14.1 |
| Absolute minimum temperature (°C) | 2.3 | 7.5 | 8.2 | 13.6 | 15.4 | 20.1 | 23.3 | 23.1 | 19.4 | 11.6 | 6.9 | 6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.4 | 9.7 | 10.1 | 10.2 | 11.8 | 11.5 | 10.8 | 10.8 | 10.2 | 9.7 | 7.9 | 6.8 |
| Precipitation (mm) | 44 | 14 | 17 | 101 | 111 | 147 | 156 | 159 | 128 | 35 | 39 | 94 |
| Sunny days | 20 | 21 | 15 | 6 | 12 | 3 | 1 | 2 | 8 | 21 | 17 | 16 |
| Rainy days | 11 | 7 | 16 | 24 | 19 | 27 | 30 | 29 | 22 | 10 | 13 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Green Bay is at