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Delaware Weather Records

Weather averages and records for the U.S. state of Delaware based on data made available by the NOAA.
Delaware Statewide Averages
Average temperatures and precipitation over the entire territory of the state, from 1991–2020.
Month High (°F) Low (°F) Precipitation (in)
January 43.9 26.5 3.3
February 46.5 27.7 2.9
March 54.2 34.3 4.1
April 65.4 43.3 3.5
May 74.2 53.0 3.6
June 82.7 62.4 4.1
July 87.3 67.5 4.4
August 85.3 65.6 4.7
September 79.0 59.1 4.2
October 68.5 47.6 3.9
November 57.4 37.6 3.3
December 48.3 30.7 3.9
Entire Year 66.1 46.3 45.9
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Delaware Average Temperature by Year
Delaware Cities
Yearly weather averages for various places in Delaware, from 1991–2020.
City Average (°F) Record (°F) Yearly (inches)
High Low High Low Precipitation Snow
Dover 66.6 48.1 104 -11 44.1 12.2
Georgetown 67.2 47.8 104 -5 43.6 n/a
Lewes 66.9 49.9 102 -11 47.7 8.3
Wilmington 64.7 46.2 103 -14 45.3 20.2