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Wilmington April Weather

Averages and records for weather in Wilmington, Delaware in the month of April.

Typical Wilmington April Weather 1991–2020
Average daily high	64.0 °F
Average daily low	43.3 °F
Average monthly precipitation	3.5 inches
Average monthly snow	0.1 inches
Daily chance of precipitation	37.0%
Daily chance of snow	0.33%

Wilmington April Weather Records 1894–2024
Highest temperature	97 °F	April 18, 1896
Lowest temperature	11 °F	April 1, 1923
Highest daily low	74 °F	April 19, 1896
Lowest daily high	35 °F	April 1, 1923
Hottest average high temperature	70.7 °F	1985
Coldest average high temperature	56.8 °F	1940
Most daily precipitation	4.4 inches	April 15, 2007
Most monthly precipitation	8.6 inches	2007
Most daily snow	12.0 inches	April 3, 1915
Most monthly snow	12.0 inches	1915

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
April 1	58.2	38.7	81	11
April 2	58.7	39.1	83	20
April 3	59.2	39.4	86	24
April 4	59.6	39.7	80	23
April 5	60.2	40.1	85	24
April 6	60.7	40.5	86	24
April 7	61.2	40.9	87	18
April 8	61.6	41.3	87	24
April 9	61.9	41.7	85	25
April 10	62.3	42.0	90	22
April 11	62.7	42.3	84	26
April 12	63.0	42.6	87	25
April 13	63.2	42.7	88	22
April 14	63.5	43.0	87	23
April 15	63.9	43.2	86	25
April 16	64.2	43.4	92	25
April 17	64.6	43.8	97	27
April 18	65.1	44.2	97	30
April 19	65.4	44.5	94	29
April 20	65.8	44.9	90	27
April 21	66.1	45.3	92	28
April 22	66.4	45.6	94	30
April 23	66.6	45.9	89	25
April 24	66.9	46.3	84	30
April 25	67.2	46.6	89	31
April 26	67.6	47.0	92	32
April 27	67.9	47.3	91	32
April 28	68.2	47.6	89	30
April 29	68.4	47.9	91	31
April 30	68.6	48.0	86	33

Weather Station Details

Years	Station	Coordinates
1948–2024	New Castle Airport	location
1932–1947	Wilmington Porter Research	location
1894–1931	Wilmington City Hall	location