Snow in Rockville, Maryland Winter storm alerts · 7-day snow forecast · average snowfall
Alerts for Rockville right now
Checking the National Weather Service…
Snow forecast — next 7 days
Loading the NWS forecast…
Rockville averages 5.8 inches of snow a year. The snowiest month is January (2.9″), and snow usually falls from December through March. On about 3 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 6 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
November
0″
0
0
9
38°F
December
0.8″
<1
1
20
31°F
January
2.9″
1
2
22
27°F
February
1.4″
1
2
20
28°F
March
0.7″
<1
1
13
36°F
April
0″
0
0
2
46°F
Year
5.8″
3
6
86
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Dalecarlia Rsvr (10 mi from the city center, -308 ft elevation difference); temperatures at Rockville 1 Ne. Averages smooth out big years: single winters can bring half or double the normal.
5.8 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Dalecarlia Rsvr station, 10 miles away). The snowiest month is January with 2.9 inches.
Is there a winter storm warning for Rockville today?
This page checks the National Weather Service for active alerts at Rockville'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 Rockville have?
About 86 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 27 °F.