Accomack County Climate
Accomack County, Virginia
Avg Annual Temp
58.3°F
Annual Precip
45.2"
Annual Snowfall
7.5"
Extreme Heat Days
22.35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Accomack County Weather
A Mild Atlantic Coastal Climate
Accomack's 58.3°F annual average temperature is significantly warmer than the national median of 54°F. This coastal county enjoys a humid subtropical climate moderated by the Atlantic Ocean.
Warmer Than the Virginia Average
At 58.3°F, Accomack sits well above the Virginia state average of 55.9°F. Its eastern shore location helps keep the climate warmer and more consistent than inland counties.
The Delmarva Shore Comparison
Accomack receives 45.2 inches of annual precipitation, nearly matching the state average of 45.7 inches. It is notably warmer and less snowy than Virginia's western mountain regions.
Temperate Winters and Balmy Summers
Winters are mild at 40.5°F, seeing only 7.5 inches of annual snowfall. Summers average 76.1°F, though residents face 22 extreme heat days over 90°F each year.
Prepare for Humidity and Salt Air
High humidity requires robust air conditioning and dehumidification systems. Residents should also account for the corrosive effects of salt air on outdoor equipment and vehicles.
Frequently Asked Questions
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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.