World Resorts USA Sea Isle City Weather

Sea Isle City weather in August

Weather in Sea Isle City: August

Average day temperature: 78.9°F
Average night temperature: 71.2°F
Sea water temperature: 74.3°F
Number of sunny days: 12 days
Day length: 13.1 - 14.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 84°F. At the same time the lowest night temperature was 63°F. Daily and nightly averages during August were 76.9°F and 70.0°F.

Sea water temperature in Sea Isle City in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 72.9°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 Sea Isle City in August is 1.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.6 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: 8.2.

Best time for vacation in Sea Isle City

Sunniest months:
November 18 days
October 15 days
September 15 days
Warmest months:
July 81.1 °F
August 78.9 °F
June 75.0 °F
Warmest sea temp:
July 74.7 °F
August 74.3 °F
September 72.9 °F
Coldest months:
January 40.3 °F
February 42.4 °F
December 45.4 °F
Rainiest months:
July 3 days
March 3 days
April 3 days
Windiest months:
March 11.7 mph
January 11.5 mph
April 11.2 mph

Sea Isle City on a weather map

Sea Isle City
+32°F
S 14 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Sea Isle City
Local time: 01:25
December 05, friday
0300
30°F
S
11 mph
0600
30°F
SW
7 mph
0900
28°F
SW
6 mph
1200
32°F
W
6 mph
1500
36°F
W
6 mph
1800
37°F
SW
4 mph
2100
37°F
SW
4 mph
December 06, saturday
0000
37°F
S
6 mph
Units of measurement: °C / °F