Snow in Portland, Maine Winter storm alerts · 7-day snow forecast · average snowfall
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Portland averages 68.7 inches of snow a year. The snowiest month is January (18.6″), and snow usually falls from October through April. On about 16 days a year at least an inch falls, and about 1 day brings 10 inches or more. Snow covers the ground (1″+) on roughly 74 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.2″
<1
<1
6
41°F
November
2.3″
1
2
18
32°F
December
14.6″
3
11
27
22°F
January
18.6″
5
23
29
16°F
February
16.6″
4
21
26
17°F
March
13.6″
3
16
25
26°F
April
2.8″
1
2
12
35°F
May
0″
0
0
1
46°F
Year
68.7″
16
74
144
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Portland Intl. Jetport (2 mi from the city center, -56 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
68.7 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Portland Intl. Jetport station, 2 miles away). The snowiest month is January with 18.6 inches.
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This page checks the National Weather Service for active alerts at Portland'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 Portland have?
About 144 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 16 °F.