Atlantic City Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Atlantic City, New Jersey during each month of the year.

The average high and low temperatures are listed below monthly and annually for the beach resort, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Atlantic City, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Atlantic City, 2010 to 2019
High °F Low °F   High °C Low °C
42 30 January 5 -1
44 32 February 7 0
49 37 March 9 3
59 47 April 15 8
67 57 May 19 14
76 66 June 25 19
81 72 July 27 22
80 71 August 27 22
75 66 September 24 19
66 56 October 19 13
55 43 November 13 6
48 37 December 9 3
62 51 Year 17 11
30-year temperature averages for Atlantic City, 1991 to 2020
High °F Low °F   High °C Low °C
42 30 January 5 -1
43 31 February 6 0
48 37 March 9 3
57 46 April 14 8
66 55 May 19 13
75 65 June 24 18
80 71 July 27 21
79 70 August 26 21
74 65 September 23 18
65 54 October 18 12
55 43 November 13 6
47 35 December 8 2
61 50 Year 16 10

Days of Hot Weather in Atlantic City

This vacation destination enjoys moderately hot summer temperatures with days reaching into the 70s or 80s Fahrenheit. Only six days a year on average make it into the 90s. The thermometer does not normally rise above 100°F (38 °C) at Atlantic City. The 90 degree weather can show up anytime from May to September.

Number of days in Atlantic City of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 1 0 0
April 3 0 0
May 11 2 0
June 25 9 1
July 31 18 3
August 31 17 1
September 26 6 0
October 9 1 0
November 1 0 0
December 0 0 0
Year 136 53 6

How Often Atlantic City Has Cold Temperatures

Freezing temperatures occur during about half of winter nights at Atlantic City for an average of 56 frosty nights a year. Typically one of those gets as cold as 10 °F (-12 °C) or below.

For eight days annually on average the thermometer here never rises above freezing. Days that chilly can occur from December to March.

Days per month on average in Atlantic City when the minimum temperature drops to 32 or 20 °F or below
  20 °F
-8 °C
32 °F
0 °C
January 5 18
February 3 15
March 1 8
April 0 0
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 3
December 1 12
Year 10 56
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

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