Wilmington July Weather

Averages and records for weather in Wilmington, Delaware in the month of July.
Typical Wilmington July Weather
1991–2020
Average daily high 86.6 °F
Average daily low 68.1 °F
Average monthly precipitation 4.4 inches
Average monthly snow none
Daily chance of precipitation 32.3%
Daily chance of snow 0%
Wilmington July Weather Records
1894–2024
Highest temperature 103 °F July 7, 2010
Lowest temperature 48 °F July 1, 1988
Highest daily low 83 °F July 14, 1894
Lowest daily high 64 °F July 15, 1926
Hottest average high temperature 91.6 °F 1955
Coldest average high temperature 81.0 °F 2000
Most daily precipitation 6.6 inches July 5, 1989
Most monthly precipitation 14.1 inches 1919
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 85.4 66.3 97 48
July 2 85.5 66.5 98 50
July 3 85.8 66.6 102 49
July 4 86.0 66.8 102 50
July 5 86.2 67.0 100 52
July 6 86.3 67.2 103 50
July 7 86.4 67.3 103 53
July 8 86.6 67.5 98 53
July 9 86.6 67.7 100 54
July 10 86.6 67.8 103 54
July 11 86.5 67.8 101 55
July 12 86.6 67.9 97 51
July 13 86.6 68.0 98 53
July 14 86.6 68.0 100 54
July 15 86.7 68.1 99 53
July 16 86.7 68.2 100 49
July 17 86.7 68.3 100 54
July 18 86.7 68.4 101 56
July 19 86.8 68.4 100 56
July 20 86.8 68.4 100 53
July 21 86.8 68.5 102 53
July 22 86.7 68.4 102 56
July 23 86.6 68.3 100 54
July 24 86.5 68.3 98 56
July 25 86.5 68.3 96 56
July 26 86.5 68.3 99 51
July 27 86.5 68.3 100 51
July 28 86.4 68.3 101 53
July 29 86.4 68.3 99 57
July 30 86.3 68.3 97 55
July 31 86.2 68.2 102 55
Weather Station Details
Years Station Coordinates
1948–2024 New Castle Airport location
1932–1947 Wilmington Porter Research location
1894–1931 Wilmington City Hall location