Wicomico County Climate
Wicomico County, Maryland
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.8°F
Annual Precip
47.8"
Annual Snowfall
8.0"
Extreme Heat Days
31
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,256
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Wicomico County
Climate Verdict
Wicomico County has a mild, with an average annual temperature of 57.8°F, moderately wet with 47.8 inches of annual precipitation, occasional hot days — 30.75 per year above 90°F, light snow averaging 8.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.6°F. summers are warm — July averages 78.6°F. The 41°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
Wicomico County closely matches the Maryland statewide average temperature of 55.9°F.
Climate Profile
About Wicomico County Weather
Warm and Wet Coastal Plain Climate
Wicomico County averages 57.8°F annually, placing it among the warmer regions in the United States. Its 47.8 inches of annual precipitation is significantly higher than the national average, fueled by its proximity to the Atlantic.
Warmer Than the Maryland Average
The county's 57.8°F average temperature exceeds the Maryland state average of 55.9°F by nearly two degrees. This makes Wicomico one of the warmer spots in the state, benefitting from coastal air and lower elevation.
Hotter Summers Than Its Eastern Neighbor
Wicomico shares a 57.8°F annual average with Worcester County but experiences more intense summer heat. It suffers through 31 extreme heat days per year, nine more than Worcester's coastal-cooled average of 22.
A Month of Extreme Summer Heat
July is sweltering with an average of 78.6°F and 31 days exceeding 90°F. Winters remain mild compared to the rest of the state, averaging 39.5°F with only 8.0 inches of annual snowfall.
Gear Up for High Humidity and Rainfall
With 47.8 inches of rain and 31 days of extreme heat, residents need high-capacity air conditioning and reliable rain gear. The mild 8.0-inch snowfall average means heavy winter gear is rarely a daily necessity.
Frequently Asked Questions
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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.