Winter temperatures · Wisconsin
How cold does Green Bay get in winter?
In a typical winter, December to February, Green Bay averages highs around 29°F and lows around 14°F.
About 66 days a year never get above freezing. About 40 nights a year drop to 10°F or colder, and about 19 go below zero. That makes it the 8th coldest winter of the 129 US cities we track.
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The coldest low in the forecast for the next 48 hours is about 30°F.
Green Bay’s winter lows average about 14°F, and the city treats that as ideal weather for sitting outside on purpose.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
More about the weather here
Winter at a glance
| Average winter high | 29°F |
|---|---|
| Average winter low | 14°F |
| Days a year that stay below freezing | 66 |
| Nights a year at 32°F or colder | 152 |
| Nights a year at 10°F or colder | 40 |
| Nights a year below zero | 19 |
| Average summer high, for comparison | 79°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Sioux Falls, South Dakota: highs around 30°F, lows around 12°F
- Dubuque, Iowa: highs around 30°F, lows around 14°F
- Madison, Wisconsin: highs around 30°F, lows around 15°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014898.