Winter temperatures · Arizona
How cold does Flagstaff get in winter?
In a typical winter, December to February, Flagstaff averages highs around 44°F and lows around 18°F.
About 12 days a year never get above freezing. About 20 nights a year drop to 10°F or colder, and about 4 go below zero. That makes it the 49th 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 33°F.
Flagstaff averages winter lows around 18°F, which surprises everyone who thought all of Arizona was a frying pan.
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 | 18°F |
| Days a year that stay below freezing | 12 |
| Nights a year at 32°F or colder | 202 |
| Nights a year at 10°F or colder | 20 |
| Nights a year below zero | 4 |
| Average summer high, for comparison | 80°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Springfield, Illinois: highs around 39°F, lows around 23°F
- Pittsburgh, Pennsylvania: highs around 39°F, lows around 24°F
- Indianapolis, Indiana: highs around 39°F, lows around 24°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00003103.