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Wilmington weather in August

Weather in Wilmington: August

Average day temperature: 82.4°F
Average night temperature: 69.5°F
Sea water temperature: 79.7°F
Number of sunny days: 12 days
Day length: 13.1 - 14.2 hours
Number of rainy days: 4 days
Precipitation totals: 1.8 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 92°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during August were 83.4°F and 68.6°F.

Sea water temperature in Wilmington in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 80.3°F. The highest and lowest sea temperatures during the month were 82.0°F and 78.6°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Wilmington in August is 1.8 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 5.9 mph It makes August one of the least windy months of the year.

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 August is: 8.1.

Best time for vacation in Wilmington

Sunniest months:
October 16 days
November 16 days
June 15 days
Warmest months:
July 85.7 °F
August 82.4 °F
June 80.3 °F
Warmest sea temp:
July 80.2 °F
August 79.7 °F
September 74.5 °F
Coldest months:
January 38.2 °F
February 41.2 °F
December 42.5 °F
Rainiest months:
August 4 days
July 3 days
June 2 days
Windiest months:
March 9.1 mph
April 8.6 mph
January 8.4 mph

Wilmington on a weather map

Wilmington
+59°F
S 13 mph
Feels like: +55°F
Precip.: 34%
Places in USA:
Name
°F
+59°F
+57°F
+79°F
+84°F
+86°F
+82°F
+66°F
+61°F
+75°F
+61°F
+77°F
+81°F
+88°F
+61°F
24 Hours Forecast
Wilmington
Local time: 18:42
September 27, sunday
2100
57°F
S
13 mph
September 28, monday
0000
57°F
S
12 mph
0300
57°F
S
11 mph
0600
57°F
S
9 mph
0900
57°F
S
8 mph
1200
61°F
SE
7 mph
1500
64°F
SE
7 mph
1800
63°F
S
2 mph
Units of measurement: °C / °F