World Resorts USA Oak Island Weather

Oak Island weather in August

Weather in Oak Island: August

Average day temperature: 84.2°F
Average night temperature: 77.0°F
Sea water temperature: 83.5°F
Number of sunny days: 6 days
Day length: 12.9 - 13.8 hours
Number of rainy days: 5 days
Precipitation totals: 2.5 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 89°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during August were 83.8°F and 77.0°F.

Sea water temperature in Oak Island in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 82.8°F. The highest and lowest sea temperatures during the month were 85.6°F and 81.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Oak Island in August is 2.5 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.1 mph It makes August lest windy month 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: 6.9.

Best time for vacation in Oak Island

Sunniest months:
October 16 days
April 15 days
November 14 days
Warmest months:
July 85.3 °F
August 84.2 °F
June 81.9 °F
Warmest sea temp:
July 83.7 °F
August 83.5 °F
September 80.3 °F
Coldest months:
January 52.7 °F
February 56.2 °F
December 56.8 °F
Rainiest months:
July 5 days
August 5 days
September 4 days
Windiest months:
March 10.2 mph
April 10.1 mph
February 10.0 mph

Oak Island on a weather map

Oak Island
+50°F
SW 6 mph
Feels like: +50°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
+9°F
24 Hours Forecast
Oak Island
Local time: 22:34
December 05, friday
0000
50°F
SW
3 mph
0300
50°F
W
6 mph
0600
48°F
S
5 mph
0900
48°F
SW
6 mph
1200
48°F
SW
6 mph
1500
46°F
S
8 mph
1800
45°F
S
8 mph
2100
43°F
SE
9 mph
Units of measurement: °C / °F