Atlantic City weather in August: Atlantic City, New Jersey: normal highs, lows, rain and records for August

Atlantic City in August has a normal high of 85°F and a normal low of 65°F, a daily mean of 75°F, falling from 86°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.59 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 29°C and low of 18°C, 117 mm of precipitation in August.

  • NOAA stationAtlantic City International Airport
  • Station IDUSW00093730
  • Location39.45°N 74.57°W
  • Elevation60 ft (18 m)
  • From the center8 miles
  • Population38,959
  1. Jan 43° 25°
  2. Feb 46° 26°
  3. Mar 53° 33°
  4. Apr 63° 42°
  5. May 73° 51°
  6. Jun 82° 61°
  7. Jul 87° 67°
  8. Aug 85° 65°
  9. Sep 79° 58°
  10. Oct 68° 46°
  11. Nov 57° 37°
  12. Dec 48° 29°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Atlantic City in August?

The normal high is 85°F and the normal low 65°F, for a daily mean of 75.0°F. August is 1.9°F cooler than July and 6.6°F warmer than September. August is the 2nd warmest month of the year in Atlantic City and the wettest. Across the month the normal high falls 3°F, from 86°F on August 1 to 83°F on August 31. From one year to the next August's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 73°F and 77°F.

Atlantic City in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 186°F67°F33%19%
August 886°F66°F32%20%
August 1585°F66°F31%19%
August 2284°F65°F29%18%
August 3183°F63°F27%17%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Atlantic City: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 186°F67°F33%19%14 h 20 min
August 286°F67°F33%19%14 h 10 min
August 386°F67°F33%19%14 h 10 min
August 486°F67°F33%19%14 h 10 min
August 586°F67°F33%19%14 h 10 min
August 686°F67°F32%20%14 h 10 min
August 786°F67°F32%20%14 h
August 886°F66°F32%20%14 h
August 986°F66°F32%20%14 h
August 1086°F66°F32%20%14 h
August 1185°F66°F32%20%13 h 50 min
August 1285°F66°F32%20%13 h 50 min
August 1385°F66°F31%19%13 h 50 min
August 1485°F66°F31%19%13 h 50 min
August 1585°F66°F31%19%13 h 50 min
August 1685°F65°F31%19%13 h 40 min
August 1785°F65°F30%19%13 h 40 min
August 1885°F65°F30%19%13 h 40 min
August 1985°F65°F30%19%13 h 40 min
August 2085°F65°F29%19%13 h 30 min
August 2184°F65°F29%18%13 h 30 min
August 2284°F65°F29%18%13 h 30 min
August 2384°F64°F28%18%13 h 30 min
August 2484°F64°F28%18%13 h 30 min
August 2584°F64°F28%18%13 h 20 min
August 2684°F64°F27%18%13 h 20 min
August 2784°F64°F27%18%13 h 20 min
August 2883°F63°F27%18%13 h 20 min
August 2983°F63°F27%18%13 h 10 min
August 3083°F63°F27%17%13 h 10 min
August 3183°F63°F27%17%13 h 10 min
Normal high
85°FAugust average
Normal low
65°FAugust average
Precipitation
4.59 inmonth total
Days with precipitation
90.01 inch or more
Days at 90°F or more
6
Daylight
14 h 20 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
25
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093730; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Atlantic City in August?

On a given August day the chance of 0.01 inch or more is 30% on average, highest around August 1 (33%). In all, 4.59 in falls on 9 days of a normal August, 1 of them with an inch or more.

In a normal August in Atlantic City, 6 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093730.

How humid and windy is Atlantic City in August?

At 3 p.m. the normal temperature is 80°F with 57% relative humidity and a dew point of 63°F; at 6 a.m. it is 65°F with 91% humidity. The wind averages 7.1 mph, most often from the southeast in the afternoon.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.65°F62°F91%4.4 mph68%
9 a.m.76°F65°F69%8.9 mph68%
noon80°F63°F56%10.0 mph60%
3 p.m.80°F63°F57%10.8 mph65%
6 p.m.75°F64°F68%7.8 mph72%
9 p.m.70°F64°F83%5.2 mph76%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093730. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Atlantic City?

The warmest August temperature on Atlantic City's official record (since 1943) is 103°F, on August 9, 2001; the coldest is 40°F, on August 31, 1965. The wettest August brought 16.06 in (1997).

The August mean against the 1991-2020 normal of 75.0°F: 2021 77.2°F (+2.2), 2022 77.7°F (+2.7), 2023 74.3°F (−0.7), 2024 75.0°F (at normal), 2025 70.7°F (−4.3), 2026 77.2°F (+2.2). 3 of 6 ran warmer than normal.

Atlantic City: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202177.2°F+2.2°F6.28 in
202277.7°F+2.7°F4.46 in
202374.3°F−0.7°F2.20 in
202475.0°Fat normal3.29 in
202570.7°F−4.3°F2.92 in
202677.2°F+2.2°F8.56 in

Source: records: ACIS, NWS threaded record ACYthr; recent months: ACIS, station USW00093730. Records and recent months use complete months only.

How does August in Atlantic City compare across New Jersey?

Across the 33 places PlainClimate covers in New Jersey, August normal highs run from 82°F in Andover to 87°F in Lambertville; Atlantic City's is 85°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places