Snow in Trenton, New Jersey Winter storm alerts · 7-day snow forecast · average snowfall
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Trenton averages 26.6 inches of snow a year. The snowiest month is February (8.7″), and snow usually falls from October through April. On about 7 days a year at least an inch falls.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.1″
0
—
1
46°F
November
0.5″
<1
—
10
36°F
December
4.6″
1
—
22
29°F
January
8.2″
2
—
25
24°F
February
8.7″
2
—
22
26°F
March
4.0″
1
—
15
33°F
April
0.5″
<1
—
3
42°F
Year
26.6″
7
—
97
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Trenton Mercer Co Airport (6 mi from the city center, +108 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
26.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Trenton Mercer Co Airport station, 6 miles away). The snowiest month is February with 8.7 inches.
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This page checks the National Weather Service for active alerts at Trenton's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
How many freezing nights does Trenton have?
About 97 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 24 °F.