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Wilmington weather in May

Weather in Wilmington: May

Average day temperature: 69.0°F
Average night temperature: 56.3°F
Sea water temperature: 61.2°F
Number of sunny days: 10 days
Day length: 13.9 - 14.8 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during May were 70.7°F and 57.5°F.

Sea water temperature in Wilmington in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 62.6°F. The highest and lowest sea temperatures during the month were 64.2°F and 60.3°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Wilmington in May is 0.8 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.3.

Best time for vacation in Wilmington

Sunniest months:
November 16 days
October 16 days
September 15 days
Warmest months:
July 85.5 °F
August 82.3 °F
June 79.8 °F
Warmest sea temp:
July 80.3 °F
August 79.6 °F
September 74.2 °F
Coldest months:
January 38.9 °F
February 42.0 °F
December 43.5 °F
Rainiest months:
July 4 days
August 4 days
June 3 days
Windiest months:
March 9.1 mph
April 8.8 mph
January 8.4 mph

Wilmington on a weather map

Wilmington
+28°F
S 9 mph
Feels like: +19°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Wilmington
Local time: 23:53
December 05, friday
0000
28°F
S
9 mph
0300
27°F
SW
6 mph
0600
25°F
SW
4 mph
0900
25°F
NW
6 mph
1200
28°F
N
4 mph
1500
28°F
N
2 mph
1800
28°F
SW
1 mph
2100
28°F
SW
2 mph
Units of measurement: °C / °F