Snow in Anchorage, Alaska Winter storm alerts · 7-day snow forecast · average snowfall
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Anchorage averages 77.9 inches of snow a year. The snowiest month is December (18.2″), and snow usually falls from September through May. On about 22 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 154 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
September
0.4″
<1
<1
3
43°F
October
5.6″
2
5
16
30°F
November
12.6″
4
21
28
16°F
December
18.2″
5
28
31
11°F
January
12.4″
4
31
30
8°F
February
13.4″
4
27
27
12°F
March
11.0″
3
29
29
17°F
April
4.0″
1
14
18
30°F
May
0.3″
0
<1
1
41°F
Year
77.9″
22
154
184
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Anchorage Intl. Airport (5 mi from the city center, +69 ft elevation difference); temperatures at Anchorage Merrill Fld. Averages smooth out big years: single winters can bring half or double the normal.
77.9 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Anchorage Intl. Airport station, 5 miles away). The snowiest month is December with 18.2 inches.
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How many freezing nights does Anchorage have?
About 184 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 8 °F.