Winter temperatures · Missouri
How cold does St. Louis get in winter?
In a typical winter, December to February, St. Louis averages highs around 44°F and lows around 27°F.
About 19 days a year never get above freezing. About 7 nights a year drop to 10°F or colder, and about one goes below zero. That makes it the 65th mildest 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 28°F.
St. Louis averages winter highs around 44°F, so it spends most of winter deciding whether to commit to winter at all.
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 | 44°F |
|---|---|
| Average winter low | 27°F |
| Days a year that stay below freezing | 19 |
| Nights a year at 32°F or colder | 85 |
| Nights a year at 10°F or colder | 7 |
| Nights a year below zero | 1 |
| Average summer high, for comparison | 88°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Newark, New Jersey: highs around 43°F, lows around 28°F
- Wichita, Kansas: highs around 46°F, lows around 25°F
- Philadelphia, Pennsylvania: highs around 44°F, lows around 28°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00013994.