Snow in Bethlehem, Pennsylvania Winter storm alerts · 7-day snow forecast · average snowfall
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Bethlehem averages 33.1 inches of snow a year. The snowiest month is February (10.8″), and snow usually falls from October through April. On about 8 days a year at least an inch falls, and about 1 day brings 10 inches or more. Snow covers the ground (1″+) on roughly 31 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.2″
0
<1
3
44°F
November
0.9″
<1
1
15
34°F
December
4.6″
1
5
24
27°F
January
9.8″
2
9
27
22°F
February
10.8″
2
11
24
23°F
March
6.3″
2
6
19
31°F
April
0.5″
<1
<1
6
40°F
Year
33.1″
8
31
118
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Allentown Intl. Airport (4 mi from the city center, +26 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
33.1 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Allentown Intl. Airport station, 4 miles away). The snowiest month is February with 10.8 inches.
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How many freezing nights does Bethlehem have?
About 118 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 22 °F.