Winter temperatures · Minnesota
How cold does Duluth get in winter?
In a typical winter, December to February, Duluth averages highs around 23°F and lows around 6°F.
About 99 days a year never get above freezing. About 66 nights a year drop to 10°F or colder, and about 38 go below zero. That makes it the 3rd coldest winter of the 129 US cities we track.
Last updated
The coldest low in the forecast for the next 48 hours is about 25°F.
Duluth has about 99 days a year that never get above freezing, and Lake Superior watches all of them with zero sympathy.
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 | 23°F |
|---|---|
| Average winter low | 6°F |
| Days a year that stay below freezing | 99 |
| Nights a year at 32°F or colder | 177 |
| Nights a year at 10°F or colder | 66 |
| Nights a year below zero | 38 |
| Average summer high, for comparison | 75°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Bismarck, North Dakota: highs around 26°F, lows around 6°F
- Fargo, North Dakota: highs around 22°F, lows around 4°F
- Anchorage, Alaska: highs around 25°F, lows around 13°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014913.