Average annual temperature is 15.5 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 216 days
Number of rainy days: 149 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) | 19.3 | 25.3 | 28.2 | 31.0 | 30.0 | 31.8 | 36.7 | 34.7 | 35.8 | 28.0 | 26.4 | 21.0 |
| Average daytime temperature (°C) | 12.0 | 14.9 | 16.1 | 22.7 | 23.5 | 27.7 | 32.7 | 30.6 | 27.5 | 22.1 | 15.2 | 12.6 |
| Average temperature (°C) | 7.1 | 9.2 | 9.8 | 15.8 | 17.5 | 21.5 | 26.3 | 24.6 | 21.4 | 15.9 | 9.1 | 6.9 |
| Average night temperature (°C) | 3.4 | 4.7 | 4.7 | 9.8 | 12.4 | 16.1 | 21.2 | 19.9 | 16.5 | 11.1 | 4.4 | 2.7 |
| Absolute minimum temperature (°C) | -3.3 | -7.9 | -3.8 | 1.8 | 6.8 | 12.0 | 17.9 | 15.7 | 10.7 | 5.2 | -5.9 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 6.9 | 8.1 | 9.3 | 9.7 | 10.5 | 12.1 | 10.8 | 9.0 | 8.9 | 8.0 | 6.4 |
| Precipitation (mm) | 95 | 81 | 43 | 112 | 101 | 95 | 82 | 49 | 80 | 37 | 39 | 142 |
| Sunny days | 16 | 18 | 15 | 19 | 16 | 14 | 12 | 19 | 17 | 24 | 27 | 19 |
| Rainy days | 15 | 10 | 16 | 11 | 15 | 16 | 19 | 12 | 13 | 7 | 3 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Green Bay during the most sunny months:
The largest precipitation sum in Green Bay is at