Cecil County Climate
Cecil County, Maryland
Avg Annual Temp
55.3°F
Annual Precip
47.7"
Annual Snowfall
—
Extreme Heat Days
31.15
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
DryWet
3.4"
2.7"
4.1"
3.5"
3.9"
4.4"
4.8"
4.4"
4.9"
4.3"
3.3"
4.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Seasonal Overview
National Comparison
Warmer than 54% of US counties
Wetter than 67% of US counties
More seasonal variation than 56% of US counties
Frequently Asked Questions
What is the average temperature in Cecil County?
The average annual temperature in Cecil County, MD is 55.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cecil County get?
Cecil County receives an average of 47.7 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Cecil County get in summer?
The average summer temperature (June-August) in Cecil County is 75.3°F. The county experiences an average of 31.15 days per year above 90°F.
How cold are winters in Cecil County?
The average winter temperature (December-February) in Cecil County is 35.3°F. January, typically the coldest month, averages 33.0°F.
Track your own weather in Cecil County
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.