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Frost dates in Calvert County, Maryland

Marsh islands in Sinepuxent Bay near Assateague Island, Maryland
Photo: Acroterion, CC BY-SA 4.0, via Wikimedia Commons

The average last spring frost in Calvert County falls Mar 22 to Apr 17 and the average first fall frost Oct 27 to Nov 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7b to 8a. Places: Broomes Island, Chesapeake Beach, Chesapeake Ranch Estates, Dunkirk, Huntingtown, Owings. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIPPlaceLast spring frostFirst fall frostZone
20615Broomes IslandMar 22Nov 268a
20629SolomonsMar 22Nov 268a
20639HuntingtownApr 17Oct 277b
20657Chesapeake Ranch EstatesMar 22Nov 268a
20676Apr 17Oct 277b
20678Prince FrederickApr 17Oct 277b
20685St. LeonardMar 22Nov 268a
20688SolomonsMar 22Nov 268a
20689Apr 17Oct 277b
20732Chesapeake BeachApr 17Oct 278a
20736OwingsApr 9Oct 297b
20754DunkirkApr 9Oct 297b

Nearby counties

St. Mary's County Charles County Talbot County Dorchester County Prince George's County Anne Arundel County

All Maryland counties · Download Maryland frost dates (CSV)