Snow in Sierra Vista, Arizona Winter storm alerts · 7-day snow forecast · average snowfall
Alerts for Sierra Vista right now
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Snow forecast — next 7 days
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Measurable snow is rare in Sierra Vista: the 1991–2020 normal is just 0.4 inch a year, and nights reach freezing on about 45 days a year. When snow or ice does arrive, it causes outsized trouble because roads are rarely treated — watch for Winter Weather Advisories and Freeze Warnings.
Winter by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
November
0″
0
0
4
37°F
December
0″
0
0
15
30°F
January
0.4″
<1
0
15
30°F
February
0″
0
0
8
33°F
March
0″
0
0
3
38°F
Year
0.4″
<1
0
45
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Sierra Vista (2 mi from the city center, -39 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
0.4 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Sierra Vista station, 2 miles away).
Is there a winter storm warning for Sierra Vista today?
This page checks the National Weather Service for active alerts at Sierra Vista's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
How many freezing nights does Sierra Vista have?
About 45 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 30 °F.