Snow in Lancaster, Pennsylvania Winter storm alerts · 7-day snow forecast · average snowfall
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Lancaster averages 21.4 inches of snow a year. The snowiest month is February (7.4″), and snow usually falls from October through April. On about 6 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 22 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.3″
0
0
2
44°F
November
0.6″
<1
<1
12
34°F
December
3.4″
1
2
23
27°F
January
6.1″
2
7
26
22°F
February
7.4″
2
9
24
23°F
March
3.4″
1
3
18
31°F
April
0.2″
<1
0
4
40°F
Year
21.4″
6
22
109
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Lancaster 2ne Fltr Plt (2 mi from the city center, -112 ft elevation difference); temperatures at Lancaster Airport. Averages smooth out big years: single winters can bring half or double the normal.
21.4 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Lancaster 2ne Fltr Plt station, 2 miles away). The snowiest month is February with 7.4 inches.
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How many freezing nights does Lancaster have?
About 109 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 22 °F.