Snow in Rochester, New York Winter storm alerts · 7-day snow forecast · average snowfall
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Rochester averages 102.0 inches of snow a year. The snowiest month is January (27.4″), and snow usually falls from October through May. On about 29 days a year at least an inch falls, and about 1 day brings 10 inches or more. Snow covers the ground (1″+) on roughly 72 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.1″
0
0
3
43°F
November
8.1″
2
4
15
34°F
December
22.3″
6
14
25
25°F
January
27.4″
8
21
27
19°F
February
23.1″
7
19
25
20°F
March
17.9″
4
13
23
27°F
April
3.0″
1
1
10
37°F
May
0.1″
0
0
1
48°F
Year
102.0″
29
72
129
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Rochester Gtr Intl. Airport (4 mi from the city center, +23 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
102.0 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Rochester Gtr Intl. Airport station, 4 miles away). The snowiest month is January with 27.4 inches.
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How many freezing nights does Rochester have?
About 129 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 19 °F.