Snow in Radnor, Pennsylvania Winter storm alerts · 7-day snow forecast · average snowfall
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Radnor averages 7.6 inches of snow a year. The snowiest month is January (2.7″), and snow usually falls from November through April. On about 3 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 9 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
1
45°F
November
0.2″
<1
<1
12
35°F
December
1.6″
1
1
23
28°F
January
2.7″
1
3
26
23°F
February
2.4″
1
3
24
25°F
March
0.6″
1
2
17
32°F
April
0.1″
0
0
3
42°F
Year
7.6″
3
9
107
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Conshohocken (3 mi from the city center, -367 ft elevation difference); temperatures at Norristown. Averages smooth out big years: single winters can bring half or double the normal.
7.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Conshohocken station, 3 miles away). The snowiest month is January with 2.7 inches.
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How many freezing nights does Radnor have?
About 107 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 23 °F.