Snow in Post Falls, Idaho Winter storm alerts · 7-day snow forecast · average snowfall
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Post Falls averages 45.4 inches of snow a year. The snowiest month is December (13.8″), and snow usually falls from September through May. On about 15 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 48 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
September
0.1″
<1
0
<1
48°F
October
0.5″
<1
<1
6
39°F
November
6.2″
2
4
15
32°F
December
13.8″
5
13
25
26°F
January
12.3″
4
16
25
26°F
February
7.8″
3
10
23
27°F
March
3.9″
1
4
19
31°F
April
0.7″
<1
<1
7
37°F
May
0.1″
0
0
1
44°F
Year
45.4″
15
48
121
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Spokane Intl. Airport (28 mi from the city center, +174 ft elevation difference); temperatures at Coeur D'Alene. Averages smooth out big years: single winters can bring half or double the normal.
45.4 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Spokane Intl. Airport station, 28 miles away). The snowiest month is December with 13.8 inches.
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How many freezing nights does Post Falls have?
About 121 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 26 °F.