Winter temperatures · Connecticut
How cold does Hartford get in winter?
In a typical winter, December to February, Hartford averages highs around 38°F and lows around 21°F.
About 28 days a year never get above freezing. About 15 nights a year drop to 10°F or colder, and about 3 go below zero. That makes it the 42nd 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 34°F.
Hartford’s winter lows average about 21°F, which is colder than most people expect from Connecticut.
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 | 38°F |
|---|---|
| Average winter low | 21°F |
| Days a year that stay below freezing | 28 |
| Nights a year at 32°F or colder | 126 |
| Nights a year at 10°F or colder | 15 |
| Nights a year below zero | 3 |
| Average summer high, for comparison | 83°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Toledo, Ohio: highs around 37°F, lows around 23°F
- Youngstown, Ohio: highs around 37°F, lows around 22°F
- Cheyenne, Wyoming: highs around 40°F, lows around 18°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014740.