Snow in Barnstable, Massachusetts Winter storm alerts · 7-day snow forecast · average snowfall
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Barnstable averages 21.5 inches of snow a year. The snowiest month is January (9.5″), and snow usually falls from December through March. On about 5 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 16 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0″
0
0
2
46°F
November
0″
0
0
11
37°F
December
2.1″
1
2
21
29°F
January
9.5″
2
5
25
24°F
February
6.3″
1
7
23
25°F
March
3.6″
1
3
19
30°F
April
0″
0
<1
7
39°F
May
0″
0
0
1
48°F
Year
21.5″
5
16
109
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Hyannis (2 mi from the city center, +0 ft elevation difference); temperatures at Hyannis Barnstable Muni Airport. Averages smooth out big years: single winters can bring half or double the normal.
21.5 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Hyannis station, 2 miles away). The snowiest month is January with 9.5 inches.
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How many freezing nights does Barnstable have?
About 109 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 24 °F.