weatherbycounty

Cecil County Climate

JanFebMarAprMayJunJulAugSepOctNovDec55.3°AVG °F

Avg Annual Temp

55.3°F

Annual Precip

47.7"

Annual Snowfall

Extreme Heat Days

31

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
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

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Seasonal Overview

Comfort ZoneSpring43°63°11.5"Summer73°78°13.5"Fall46°69°12.5"Winter33°38°10.1"20°40°60°80°100°

National Comparison

Warmer than 53% of US counties
Wetter than 68% of US counties
More seasonal variation than 58% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Cecil County

Climate Verdict

Cecil County has a mild, with an average annual temperature of 55.3°F, moderately wet with 47.7 inches of annual precipitation, occasional hot days — 31.15 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 33.0°F. summers are warm — July averages 77.5°F. The 45°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Cecil County closely matches the Maryland statewide average temperature of 55.9°F.

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 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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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