Wilmington weather by month

Check out Wilmington weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Wilmington (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
37°F maximum daytime temperature in January in Wilmington37
41°F maximum daytime temperature in February in Wilmington41
52°F maximum daytime temperature in March in Wilmington52
63°F maximum daytime temperature in April in Wilmington63
73°F maximum daytime temperature in May in Wilmington73
81°F maximum daytime temperature in June in Wilmington81
86°F maximum daytime temperature in July in Wilmington86
84°F maximum daytime temperature in August in Wilmington84
77°F maximum daytime temperature in September in Wilmington77
66°F maximum daytime temperature in October in Wilmington66
55°F maximum daytime temperature in November in Wilmington55
43°F maximum daytime temperature in December in Wilmington43
Min temperature (night-time)
23°F minimum night-time temperature in January in Wilmington23
25°F minimum night-time temperature in February in Wilmington25
32°F minimum night-time temperature in March in Wilmington32
41°F minimum night-time temperature in April in Wilmington41
52°F minimum night-time temperature in May in Wilmington52
61°F minimum night-time temperature in June in Wilmington61
66°F minimum night-time temperature in July in Wilmington66
64°F minimum night-time temperature in August in Wilmington64
57°F minimum night-time temperature in September in Wilmington57
45°F minimum night-time temperature in October in Wilmington45
37°F minimum night-time temperature in November in Wilmington37
27°F minimum night-time temperature in December in Wilmington27
Heat & Humidity
No heat & humidity in January in Wilmington0
No heat & humidity in February in Wilmington0
No heat & humidity in March in Wilmington0
No heat & humidity in April in Wilmington0
No heat & humidity in May in Wilmington0
Moderate heat & humidity in June in WilmingtonM
High heat & humidity in July in WilmingtonH
Moderate heat & humidity in August in WilmingtonM
Low heat & humidity in September in WilmingtonL
No heat & humidity in October in Wilmington0
No heat & humidity in November in Wilmington0
No heat & humidity in December in Wilmington0
Sea temperature
36°F sea temperature in January in Wilmington36
34°F sea temperature in February in Wilmington34
39°F sea temperature in March in Wilmington39
48°F sea temperature in April in Wilmington48
54°F sea temperature in May in Wilmington54
66°F sea temperature in June in Wilmington66
72°F sea temperature in July in Wilmington72
73°F sea temperature in August in Wilmington73
72°F sea temperature in September in Wilmington72
63°F sea temperature in October in Wilmington63
52°F sea temperature in November in Wilmington52
43°F sea temperature in December in Wilmington43

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Wilmington

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Wilmington10
11 hours of daylight per day in February in Wilmington11
12 hours of daylight per day in March in Wilmington12
13 hours of daylight per day in April in Wilmington13
14 hours of daylight per day in May in Wilmington14
15 hours of daylight per day in June in Wilmington15
15 hours of daylight per day in July in Wilmington15
14 hours of daylight per day in August in Wilmington14
12 hours of daylight per day in September in Wilmington12
11 hours of daylight per day in October in Wilmington11
10 hours of daylight per day in November in Wilmington10
9 hours of daylight per day in December in Wilmington9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Wilmington2
UV (maximum) index 3 (Moderate) in February in Wilmington3
UV (maximum) index 4 (Moderate) in March in Wilmington4
UV (maximum) index 6 (High) in April in Wilmington6
UV (maximum) index 8 (Very High) in May in Wilmington8
UV (maximum) index 9 (Very High) in June in Wilmington9
UV (maximum) index 9 (Very High) in July in Wilmington9
UV (maximum) index 8 (Very High) in August in Wilmington8
UV (maximum) index 6 (High) in September in Wilmington6
UV (maximum) index 4 (Moderate) in October in Wilmington4
UV (maximum) index 2 (Low) in November in Wilmington2
UV (maximum) index 2 (Low) in December in Wilmington2

Rainfall in Wilmington

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Wilmington10
10 days with some rainfall in February in Wilmington10
10 days with some rainfall in March in Wilmington10
11 days with some rainfall in April in Wilmington11
11 days with some rainfall in May in Wilmington11
10 days with some rainfall in June in Wilmington10
10 days with some rainfall in July in Wilmington10
9 days with some rainfall in August in Wilmington9
8 days with some rainfall in September in Wilmington8
7 days with some rainfall in October in Wilmington7
10 days with some rainfall in November in Wilmington10
10 days with some rainfall in December in Wilmington10
Average monthly rainfall (inches)
3.3 inches monthly rainfall in January in Wilmington3.3
3.0 inches monthly rainfall in February in Wilmington3.0
3.7 inches monthly rainfall in March in Wilmington3.7
3.7 inches monthly rainfall in April in Wilmington3.7
4.1 inches monthly rainfall in May in Wilmington4.1
3.8 inches monthly rainfall in June in Wilmington3.8
4.5 inches monthly rainfall in July in Wilmington4.5
3.9 inches monthly rainfall in August in Wilmington3.9
3.8 inches monthly rainfall in September in Wilmington3.8
3.1 inches monthly rainfall in October in Wilmington3.1
3.6 inches monthly rainfall in November in Wilmington3.6
3.7 inches monthly rainfall in December in Wilmington3.7

More about Wilmington

Wilmington by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Delaware (Wilmington) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Wilmington?

Wilmington has a cold climate with hot summers and some rainfall in all months.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Wilmington, Delaware hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
1.3%
1.7%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Wilmington with the USA

Below the Wilmington chart shows average maximum daytime temperature for Wilmington, Delaware, USA and the USA (Washington).

Maximum daytime temperature (°F)

Wilmington, Delaware, USA
USA (Washington)
37
41
41
45
52
55
63
66
73
75
81
84
86
88
84
86
77
79
66
68
55
57
43
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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