Atlantic City climate — normals and trends

Q: What is the climate of Atlantic City?

Atlantic City has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.9 °C and it receives 1,107 mm of precipitation per year.

Q: What is the hottest day ever recorded in Atlantic City?

The hottest day measured in Atlantic City between 1940 and 2025 was 21 July 1987, reaching 32.0 °C.

Q: What is the coldest day in Atlantic City?

The coldest day measured in Atlantic City between 1940 and 2025 was 17 January 1982, at -17.6 °C.

Q: Does it snow in Atlantic City?

Yes. Atlantic City gets on average 31.7 cm of snow per year and has around 38 frost days.

Q: Has the climate of Atlantic City warmed?

Yes: Atlantic City warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Atlantic City?

The wettest day measured in Atlantic City between 1940 and 2025 was 14 August 1953, with 150 mm of rain in 24 hours.

Q: What was the windiest day in Atlantic City?

The windiest day measured in Atlantic City between 1940 and 2025 was 4 August 2020, with winds reaching 80.6 km/h.

Q: What is the warmest month in Atlantic City?

The warmest month in Atlantic City is July (23.6 °C on average); the coldest is January (2.5 °C).

Q: How much does it rain in Atlantic City?

Atlantic City receives on average 1,107 mm of precipitation per year, spread over about 110 rainy days.

Q: Is it sunny in Atlantic City?

Atlantic City gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Atlantic City (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.9 °C and it receives 1,107 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (23.6 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in March.

Atlantic City averages 38 frost days, 0 hot days (≥ 30 °C) and 110 rainy days per year.

Atlantic City has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The number of frost days there went from about 45 to 32 per year over the period.

The hottest day of the period reached 32.0 °C (on 21 July 1987) and the coldest -17.6 °C (on 17 January 1982).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Atlantic CityNew Jersey

coords: 39.36°, -74.42°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthJune

Mean daily temperature

12.9°C

Average daily high

15.0°C

Average daily low

11.0°C

Annual rainfall

1,107mm

Sunshine / day

9.3h

Mean relative humidity

75%

Average peak wind

26.8km/h

Seasonal range

21.1°C

Frost days (< 0 °C)

38 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

110 d/yr

Annual snowfall

31.7 cm

Average feels-like high

13.5 °C

Average feels-like low

8.0 °C

Average peak gust

39.3 km/h

Tropical nights (≥ 20 °C)

78 d/yr

Solar radiation

15.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.22 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

32.0 °C

21 July 1987

Coldest day

-17.6 °C

17 January 1982

Wettest day

150 mm

14 August 1953

Windiest day

80.6 km/h

4 August 2020

Strongest gust

142.6 km/h

25 November 1950

Hottest feels-like

37.9 °C

20 July 2019

Coldest feels-like

-26.8 °C

17 January 1982

Snowiest day

37.5 cm

6 February 2010

Sunniest day

14.0 h

25 June 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	31.8 °C25 June 2025	-8.1 °C21 January 2025	13.4 °C	1,006 mm	3	39
2024	27.5 °C15 July 2024	-6.0 °C23 December 2024	14.0 °C	1,078 mm	0	15
2023	29.3 °C6 September 2023	-7.5 °C4 February 2023	14.4 °C	1,008 mm	0	4
2022	28.3 °C22 July 2022	-9.7 °C30 January 2022	13.6 °C	1,240 mm	0	37
2021	28.8 °C27 August 2021	-5.7 °C8 February 2021	14.2 °C	1,072 mm	0	19
2020	30.3 °C20 July 2020	-4.4 °C15 February 2020	14.3 °C	1,321 mm	1	14
2019	31.4 °C21 July 2019	-11.9 °C31 January 2019	13.8 °C	1,093 mm	3	27
2018	29.7 °C30 August 2018	-13.5 °C7 January 2018	13.5 °C	1,619 mm	0	29
2017	28.2 °C13 July 2017	-8.5 °C9 January 2017	13.9 °C	1,186 mm	0	33
2016	30.3 °C14 August 2016	-11.2 °C14 February 2016	13.8 °C	1,194 mm	1	29
2015	28.4 °C20 July 2015	-14.8 °C20 February 2015	13.5 °C	1,037 mm	0	51
2014	28.1 °C18 June 2014	-12.3 °C7 January 2014	12.6 °C	1,220 mm	0	48
2013	29.0 °C18 July 2013	-8.3 °C23 January 2013	13.0 °C	1,118 mm	0	30
2012	30.1 °C5 July 2012	-6.8 °C4 January 2012	14.5 °C	975 mm	1	10
2011	31.2 °C24 July 2011	-8.5 °C24 January 2011	14.0 °C	1,066 mm	3	36
2010	31.8 °C6 July 2010	-7.5 °C7 February 2010	13.5 °C	1,164 mm	3	53
2009	28.7 °C10 August 2009	-10.9 °C17 January 2009	12.9 °C	1,421 mm	0	49
2008	28.4 °C6 August 2008	-7.3 °C11 February 2008	13.5 °C	1,092 mm	0	29
2007	29.8 °C8 August 2007	-9.7 °C5 February 2007	13.2 °C	1,106 mm	0	42
2006	31.0 °C3 August 2006	-7.2 °C19 February 2006	13.8 °C	1,005 mm	4	20
2005	29.1 °C21 July 2005	-12.0 °C28 January 2005	13.0 °C	1,060 mm	0	45
2004	28.0 °C4 August 2004	-12.9 °C16 January 2004	12.9 °C	1,126 mm	0	43
2003	28.5 °C26 June 2003	-11.1 °C18 January 2003	12.2 °C	1,532 mm	0	52
2002	29.8 °C30 July 2002	-4.9 °C5 March 2002	13.8 °C	1,177 mm	0	26
2001	29.0 °C8 August 2001	-6.8 °C3 January 2001	13.3 °C	888 mm	0	32
2000	28.4 °C7 August 2000	-10.6 °C18 January 2000	12.5 °C	1,012 mm	0	47
1999	30.8 °C1 August 1999	-7.5 °C2 January 1999	13.6 °C	1,116 mm	2	34
1998	30.2 °C22 July 1998	-5.4 °C1 January 1998	14.1 °C	1,000 mm	1	15
1997	28.5 °C18 July 1997	-11.5 °C19 January 1997	12.8 °C	1,064 mm	0	27
1996	26.9 °C2 September 1996	-13.5 °C5 February 1996	12.2 °C	1,480 mm	0	45
1995	29.9 °C15 July 1995	-10.9 °C6 February 1995	13.0 °C	864 mm	0	40
1994	27.7 °C16 July 1994	-17.0 °C19 January 1994	12.9 °C	966 mm	0	43
1993	31.9 °C9 July 1993	-10.2 °C2 February 1993	12.9 °C	1,055 mm	3	37
1992	28.4 °C14 July 1992	-8.3 °C19 January 1992	12.3 °C	1,091 mm	0	36
1991	29.7 °C23 July 1991	-7.6 °C22 January 1991	13.9 °C	1,117 mm	0	25
1990	28.5 °C5 July 1990	-9.5 °C26 February 1990	13.7 °C	956 mm	0	14
1989	29.6 °C23 July 1989	-11.5 °C23 December 1989	12.7 °C	1,399 mm	0	50
1988	28.1 °C30 July 1988	-10.3 °C15 January 1988	12.1 °C	929 mm	0	42
1987	32.0 °C21 July 1987	-10.6 °C16 February 1987	12.8 °C	1,031 mm	2	36
1986	28.7 °C8 July 1986	-9.5 °C15 January 1986	13.0 °C	1,084 mm	0	36
1985	29.1 °C6 September 1985	-16.5 °C21 January 1985	13.2 °C	842 mm	0	47
1984	27.7 °C7 August 1984	-12.6 °C22 January 1984	12.8 °C	1,064 mm	0	41
1983	30.3 °C20 August 1983	-12.2 °C25 December 1983	13.1 °C	1,387 mm	2	30
1982	28.2 °C26 July 1982	-17.6 °C17 January 1982	12.4 °C	1,030 mm	0	46
1981	28.7 °C10 July 1981	-13.3 °C12 January 1981	12.1 °C	973 mm	0	47
1980	29.2 °C3 August 1980	-12.4 °C25 December 1980	12.6 °C	965 mm	0	53
1979	29.6 °C8 August 1979	-15.2 °C14 February 1979	12.6 °C	1,222 mm	0	43
1978	28.6 °C17 August 1978	-8.1 °C10 January 1978	12.2 °C	1,181 mm	0	62
1977	29.4 °C19 July 1977	-14.3 °C17 January 1977	12.7 °C	1,053 mm	0	56
1976	27.9 °C23 August 1976	-11.9 °C23 January 1976	12.5 °C	927 mm	0	43
1975	30.3 °C2 August 1975	-4.3 °C14 February 1975	13.7 °C	1,253 mm	1	30
1974	28.4 °C9 July 1974	-7.1 °C5 February 1974	13.4 °C	1,010 mm	0	23
1973	29.5 °C30 August 1973	-10.2 °C17 February 1973	13.6 °C	1,163 mm	0	32
1972	29.3 °C23 July 1972	-11.5 °C16 January 1972	12.4 °C	1,292 mm	0	43
1971	27.4 °C27 July 1971	-11.0 °C2 February 1971	12.8 °C	1,174 mm	0	44
1970	28.8 °C2 August 1970	-12.8 °C22 January 1970	12.4 °C	928 mm	0	55
1969	29.1 °C18 July 1969	-7.6 °C14 February 1969	12.3 °C	1,205 mm	0	59
1968	28.7 °C7 August 1968	-13.1 °C9 January 1968	12.0 °C	954 mm	0	58
1967	26.8 °C12 July 1967	-10.8 °C8 February 1967	11.5 °C	1,098 mm	0	46
1966	30.4 °C4 July 1966	-12.8 °C29 January 1966	11.8 °C	995 mm	1	50
1965	27.9 °C25 July 1965	-10.3 °C15 January 1965	12.0 °C	658 mm	0	47
1964	27.9 °C5 September 1964	-10.6 °C15 January 1964	12.4 °C	1,138 mm	0	50
1963	28.7 °C19 July 1963	-12.5 °C24 January 1963	11.9 °C	888 mm	0	51
1962	28.0 °C20 August 1962	-11.5 °C11 February 1962	12.3 °C	1,292 mm	0	47
1961	28.4 °C26 July 1961	-15.5 °C2 February 1961	12.4 °C	1,183 mm	0	41
1960	27.7 °C8 August 1960	-10.2 °C24 December 1960	12.4 °C	981 mm	0	57
1959	28.5 °C29 June 1959	-9.6 °C2 February 1959	12.9 °C	1,077 mm	0	40
1958	28.4 °C10 August 1958	-12.8 °C17 February 1958	11.9 °C	1,454 mm	0	55
1957	29.8 °C22 July 1957	-10.0 °C15 January 1957	13.1 °C	1,040 mm	0	28
1956	28.0 °C19 August 1956	-5.4 °C24 January 1956	12.5 °C	1,130 mm	0	32
1955	29.0 °C2 August 1955	-13.3 °C3 February 1955	12.5 °C	989 mm	0	49
1954	28.2 °C27 June 1954	-10.5 °C18 January 1954	13.0 °C	938 mm	0	33
1953	29.9 °C29 August 1953	-5.4 °C18 December 1953	13.7 °C	1,287 mm	0	19
1952	29.5 °C22 July 1952	-9.6 °C30 January 1952	13.2 °C	1,206 mm	0	24
1951	27.8 °C23 July 1951	-9.0 °C9 February 1951	13.1 °C	1,035 mm	0	35
1950	27.3 °C18 July 1950	-9.9 °C21 February 1950	12.8 °C	1,115 mm	0	28
1949	31.6 °C28 July 1949	-3.6 °C19 March 1949	14.1 °C	888 mm	4	19
1948	30.8 °C26 August 1948	-13.1 °C31 January 1948	12.9 °C	1,492 mm	1	46
1947	28.0 °C15 August 1947	-9.2 °C5 February 1947	12.8 °C	954 mm	0	46
1946	28.0 °C7 July 1946	-6.3 °C16 January 1946	13.5 °C	946 mm	0	30
1945	28.4 °C30 June 1945	-12.2 °C25 January 1945	13.1 °C	1,162 mm	0	41
1944	30.1 °C5 August 1944	-5.6 °C9 January 1944	13.2 °C	1,372 mm	1	33
1943	28.5 °C10 August 1943	-11.7 °C15 February 1943	12.9 °C	996 mm	0	38
1942	29.0 °C19 July 1942	-11.8 °C21 December 1942	13.0 °C	1,209 mm	0	46
1941	29.2 °C26 July 1941	-7.2 °C20 February 1941	12.7 °C	951 mm	0	55
1940	29.3 °C28 July 1940	-11.0 °C20 January 1940	12.0 °C	1,178 mm	0	49

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

15.4 °C

+0.4 °C

Hot days (≥ 30 °C)

3 d/yr

Frost days (< 0 °C)

39 d/yr

Annual rainfall

1006 mm

-101 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	2.7 °C	-2.3 °C	42 mm	-55 mm
Feb	5.2 °C	0.0 °C	94 mm	+3 mm
Mar	9.9 °C	+2.1 °C	108 mm	-6 mm
Apr	13.6 °C	+1.5 °C	76 mm	-18 mm
May	17.8 °C	+1.0 °C	137 mm	+50 mm
Jun	23.5 °C	+1.6 °C	62 mm	-6 mm
Jul	27.0 °C	+1.8 °C	133 mm	+57 mm
Aug	24.4 °C	-0.7 °C	45 mm	-52 mm
Sep	22.6 °C	+0.1 °C	81 mm	-6 mm
Oct	18.2 °C	+0.6 °C	85 mm	-9 mm
Nov	12.7 °C	+0.2 °C	62 mm	-37 mm
Dec	6.1 °C	-1.6 °C	82 mm	-22 mm

The year's extremes

Hottest day

31.8 °C

25 Jun 2025

Coldest day

-8.1 °C

21 Jan 2025

Wettest day

39.6 mm

28 May 2025

Windiest day

56.6 km/h

16 Feb 2025

Strongest gust

103.3 km/h

5 Mar 2025

Hottest feels-like

37.8 °C

24 Jun 2025

Coldest feels-like

-15.0 °C

21 Jan 2025

Snowiest day

9.4 cm

6 Jan 2025

Sunniest day

14.0 h

18 May 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Atlantic City?

Atlantic City has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.9 °C and it receives 1,107 mm of precipitation per year.

What is the hottest day ever recorded in Atlantic City?

The hottest day measured in Atlantic City between 1940 and 2025 was 21 July 1987, reaching 32.0 °C.

What is the coldest day in Atlantic City?

The coldest day measured in Atlantic City between 1940 and 2025 was 17 January 1982, at -17.6 °C.

Does it snow in Atlantic City?

Yes. Atlantic City gets on average 31.7 cm of snow per year and has around 38 frost days.

Has the climate of Atlantic City warmed?

Yes: Atlantic City warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Atlantic City?

The wettest day measured in Atlantic City between 1940 and 2025 was 14 August 1953, with 150 mm of rain in 24 hours.

What was the windiest day in Atlantic City?

The windiest day measured in Atlantic City between 1940 and 2025 was 4 August 2020, with winds reaching 80.6 km/h.

What is the warmest month in Atlantic City?

The warmest month in Atlantic City is July (23.6 °C on average); the coldest is January (2.5 °C).

How much does it rain in Atlantic City?

Atlantic City receives on average 1,107 mm of precipitation per year, spread over about 110 rainy days.

Is it sunny in Atlantic City?

Atlantic City gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

What is the biggest single-day snowfall in Atlantic City?

The heaviest 24-hour snowfall measured in Atlantic City between 1940 and 2025 was 6 February 2010, with 37.5 cm.

Are there tropical nights in Atlantic City?

Yes: Atlantic City has on average 78 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Atlantic City?

In Atlantic City, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 20 July 2019, and the lowest was -26.8 °C on 17 January 1982.

Compare Atlantic City with another city

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The climate around Atlantic City

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