Average annual temperature is 9.0 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: -25.8 °C
Number of sunny days: 148 days
Number of rainy days: 194 days
Number of snow days: 23 days
Look at detailed online map of Green Bay
* Weather data for Green Bay Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.6 | 12.9 | 9.4 | 18.0 | 27.8 | 30.1 | 29.0 | 26.3 | 26.4 | 24.2 | 16.0 | 14.6 |
| Average daytime temperature (°C) | 4.9 | 2.3 | 4.1 | 10.5 | 15.2 | 17.9 | 23.8 | 22.7 | 21.1 | 16.3 | 7.8 | 5.4 |
| Average temperature (°C) | 1.8 | -2.3 | 0.7 | 6.2 | 10.5 | 14.5 | 20.2 | 19.1 | 17.4 | 12.8 | 3.8 | 2.1 |
| Average night temperature (°C) | -1.2 | -6.5 | -2.4 | 2.7 | 6.5 | 11.6 | 17.5 | 16.1 | 14.6 | 10.1 | 0.6 | -0.7 |
| Absolute minimum temperature (°C) | -7.1 | -25.8 | -8.4 | -3.4 | 2.9 | 6.6 | 14.7 | 12.0 | 8.2 | 3.3 | -5.8 | -8.4 |
| 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 | 15.5 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| 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 | 5.3 | 7.0 | 9.0 | 10.1 | 6.9 | 7.9 | 8.3 | 7.6 | 7.0 | 5.5 | 3.8 |
| Precipitation (mm) | 260 | 91 | 130 | 54 | 53 | 197 | 268 | 178 | 78 | 148 | 162 | 151 |
| Sunny days | 8 | 11 | 11 | 14 | 19 | 11 | 8 | 9 | 15 | 11 | 17 | 14 |
| Rainy days | 18 | 8 | 15 | 15 | 12 | 19 | 23 | 22 | 15 | 20 | 11 | 16 |
| Snow days | 5 | 9 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Green Bay during the most sunny months:
Months with the longest average daylight duration in Green Bay:
The largest precipitation sum in Green Bay is at