Snow in Grand Junction, Colorado Winter storm alerts · 7-day snow forecast · average snowfall
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Grand Junction averages 17.7 inches of snow a year. The snowiest month is December (5.2″), and snow usually falls from October through May. On about 6 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 24 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.4″
<1
<1
6
40°F
November
1.9″
1
1
23
28°F
December
5.2″
2
7
30
18°F
January
4.5″
2
12
30
17°F
February
2.9″
1
4
24
24°F
March
1.8″
1
1
17
32°F
April
0.9″
<1
<1
6
38°F
May
0.1″
0
0
1
47°F
Year
17.7″
6
24
137
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Grand Junction Walker Fld (5 mi from the city center, +256 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
17.7 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Grand Junction Walker Fld station, 5 miles away). The snowiest month is December with 5.2 inches.
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How many freezing nights does Grand Junction have?
About 137 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 17 °F.