Snow in Allen, Texas Winter storm alerts · 7-day snow forecast · average snowfall
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Allen averages 2.6 inches of snow a year. The snowiest month is February (1.3″), and snow usually falls from November through March. On about 1 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 2 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
November
0.1″
<1
0
4
44°F
December
0.6″
<1
1
14
36°F
January
0.2″
<1
<1
16
34°F
February
1.3″
<1
1
10
38°F
March
0.4″
<1
<1
3
46°F
Year
2.6″
1
2
48
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Frisco (9 mi from the city center, +75 ft elevation difference); temperatures at Mckinney Muni Airport. Averages smooth out big years: single winters can bring half or double the normal.
2.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Frisco station, 9 miles away). The snowiest month is February with 1.3 inches.
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How many freezing nights does Allen have?
About 48 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 34 °F.