World Resorts USA Atlantic City Weather

Atlantic City weather in August

Weather in Atlantic City: August

Average day temperature: 79.8°F
Average night temperature: 71.2°F
Sea water temperature: 75.4°F
Number of sunny days: 16 days
Day length: 12.2 - 14.2 hours
Number of rainy days: 3 days
Precipitation totals: 1.9 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 76.2°F and 70.2°F.

Sea water temperature in Atlantic City in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 80.4°F and 71.8°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Atlantic City in August is 2.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 9.7 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: 7.9.

Best time for vacation in Atlantic City

Sunniest months:
August 16 days
November 16 days
June 15 days
Warmest months:
July 81.0 °F
August 79.8 °F
September 74.3 °F
Warmest sea temp:
August 75.4 °F
July 75.2 °F
September 72.7 °F
Coldest months:
January 39.1 °F
February 41.3 °F
December 45.9 °F
Rainiest months:
May 4 days
February 4 days
March 4 days
Windiest months:
January 13.4 mph
March 13.1 mph
April 13.0 mph

Atlantic City on a weather map

Atlantic City
+32°F
S 16 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
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Atlantic City
Local time: 00:34
December 05, friday
0300
30°F
S
11 mph
0600
30°F
SW
9 mph
0900
30°F
W
6 mph
1200
34°F
W
6 mph
1500
36°F
W
7 mph
1800
37°F
W
4 mph
2100
39°F
SW
4 mph
December 06, saturday
0000
39°F
SW
5 mph
Units of measurement: °C / °F