Cliffside Park climate — normals and trends

Q: What is the climate of Cliffside Park?

Cliffside Park has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.1 °C and it receives 1,098 mm of precipitation per year.

Q: What is the hottest day ever recorded in Cliffside Park?

The hottest day measured in Cliffside Park between 1940 and 2025 was 6 July 2010, reaching 39.3 °C.

Q: What is the coldest day in Cliffside Park?

The coldest day measured in Cliffside Park between 1940 and 2025 was 18 February 1979, at -23.8 °C.

Q: Does it snow in Cliffside Park?

Yes. Cliffside Park gets on average 61.1 cm of snow per year and has around 75 frost days.

Q: Has the climate of Cliffside Park warmed?

Yes: Cliffside Park warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cliffside Park?

The wettest day measured in Cliffside Park between 1940 and 2025 was 14 September 1944, with 141 mm of rain in 24 hours.

Q: What was the windiest day in Cliffside Park?

The windiest day measured in Cliffside Park between 1940 and 2025 was 29 October 2012, with winds reaching 60.6 km/h.

Q: What is the warmest month in Cliffside Park?

The warmest month in Cliffside Park is July (24.6 °C on average); the coldest is January (-0.7 °C).

Q: How much does it rain in Cliffside Park?

Cliffside Park receives on average 1,098 mm of precipitation per year, spread over about 118 rainy days.

Q: Is it sunny in Cliffside Park?

Cliffside Park gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Cliffside Park (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.1 °C and it receives 1,098 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 (24.6 °C on average) and the coldest is January (-0.7 °C). Rainfall peaks in July.

Cliffside Park averages 75 frost days, 20 hot days (≥ 30 °C) and 118 rainy days per year.

Cliffside Park has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The number of frost days there went from about 86 to 64 per year over the period.

The hottest day of the period reached 39.3 °C (on 6 July 2010) and the coldest -23.8 °C (on 18 February 1979).

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

Cliffside ParkNew Jersey

coords: 40.82°, -73.99°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

12.1°C

Average daily high

15.7°C

Average daily low

8.6°C

Annual rainfall

1,098mm

Sunshine / day

8.8h

Mean relative humidity

71%

Average peak wind

17.4km/h

Seasonal range

25.3°C

Frost days (< 0 °C)

75 d/yr

Hot days (≥ 30 °C)

20 d/yr

Rainy days (≥ 1 mm)

118 d/yr

Annual snowfall

61.1 cm

Average feels-like high

14.4 °C

Average feels-like low

6.4 °C

Average peak gust

34.4 km/h

Tropical nights (≥ 20 °C)

54 d/yr

Solar radiation

14.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.40 · 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

39.3 °C

6 July 2010

Coldest day

-23.8 °C

18 February 1979

Wettest day

141 mm

14 September 1944

Windiest day

60.6 km/h

29 October 2012

Strongest gust

135.4 km/h

25 November 1950

Hottest feels-like

42.2 °C

8 July 1993

Coldest feels-like

-29.8 °C

18 February 1979

Snowiest day

30.7 cm

23 January 2016

Sunniest day

14.1 h

20 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.7 °C24 June 2025	-13.1 °C22 January 2025	12.7 °C	986 mm	28	80
2024	34.8 °C16 July 2024	-11.7 °C23 December 2024	13.6 °C	1,108 mm	25	50
2023	32.9 °C27 July 2023	-14.3 °C4 February 2023	13.7 °C	1,267 mm	18	29
2022	35.5 °C9 August 2022	-15.0 °C31 January 2022	13.1 °C	1,066 mm	33	79
2021	35.4 °C30 June 2021	-9.0 °C8 February 2021	13.4 °C	1,239 mm	28	59
2020	33.6 °C27 July 2020	-9.8 °C15 February 2020	13.5 °C	1,148 mm	26	46
2019	35.6 °C21 July 2019	-15.8 °C31 January 2019	12.8 °C	1,243 mm	27	73
2018	34.6 °C1 July 2018	-18.3 °C7 January 2018	12.9 °C	1,435 mm	35	66
2017	34.6 °C13 June 2017	-14.2 °C9 January 2017	13.2 °C	1,119 mm	19	59
2016	34.4 °C14 August 2016	-16.8 °C14 February 2016	13.4 °C	899 mm	34	58
2015	32.8 °C23 June 2015	-19.1 °C24 February 2015	12.6 °C	978 mm	21	77
2014	32.1 °C8 July 2014	-17.1 °C23 January 2014	11.6 °C	992 mm	12	86
2013	34.8 °C18 July 2013	-12.6 °C10 February 2013	12.3 °C	1,014 mm	20	75
2012	37.1 °C18 July 2012	-10.7 °C16 January 2012	13.8 °C	937 mm	32	41
2011	36.3 °C22 July 2011	-18.2 °C24 January 2011	13.2 °C	1,449 mm	26	68
2010	39.3 °C6 July 2010	-10.3 °C30 January 2010	13.3 °C	1,048 mm	47	77
2009	33.2 °C10 August 2009	-13.8 °C17 January 2009	12.0 °C	1,223 mm	11	81
2008	34.6 °C10 June 2008	-10.7 °C11 February 2008	12.6 °C	1,211 mm	19	74
2007	33.6 °C8 August 2007	-12.9 °C26 January 2007	12.5 °C	1,052 mm	21	77
2006	36.2 °C18 July 2006	-8.9 °C19 February 2006	13.3 °C	1,212 mm	21	48
2005	35.5 °C27 July 2005	-17.8 °C29 January 2005	12.4 °C	1,166 mm	34	85
2004	33.0 °C9 June 2004	-17.4 °C15 January 2004	12.0 °C	1,203 mm	8	81
2003	33.3 °C26 June 2003	-14.6 °C18 January 2003	11.4 °C	1,382 mm	14	86
2002	36.5 °C4 July 2002	-8.9 °C7 December 2002	13.0 °C	993 mm	36	61
2001	36.4 °C9 August 2001	-13.2 °C22 January 2001	12.7 °C	810 mm	14	67
2000	31.5 °C11 June 2000	-15.7 °C18 January 2000	11.6 °C	981 mm	13	81
1999	35.8 °C5 July 1999	-12.2 °C2 January 1999	12.8 °C	1,051 mm	25	58
1998	33.5 °C22 July 1998	-9.1 °C1 January 1998	13.5 °C	972 mm	14	34
1997	34.2 °C17 July 1997	-16.1 °C19 January 1997	11.9 °C	975 mm	18	63
1996	30.8 °C20 May 1996	-20.4 °C5 February 1996	11.5 °C	1,377 mm	5	68
1995	38.3 °C15 July 1995	-15.8 °C6 February 1995	12.3 °C	907 mm	26	75
1994	33.7 °C8 July 1994	-19.3 °C27 January 1994	12.2 °C	1,243 mm	22	80
1993	36.6 °C10 July 1993	-20.5 °C7 February 1993	12.3 °C	1,082 mm	27	75
1992	34.0 °C14 July 1992	-12.1 °C19 January 1992	11.5 °C	1,070 mm	9	74
1991	35.1 °C21 July 1991	-12.2 °C22 January 1991	13.2 °C	1,117 mm	33	61
1990	33.5 °C4 July 1990	-12.7 °C26 February 1990	13.1 °C	1,151 mm	14	54
1989	33.1 °C5 August 1989	-14.9 °C23 December 1989	11.7 °C	1,408 mm	20	96
1988	35.6 °C15 August 1988	-21.0 °C11 January 1988	11.7 °C	955 mm	35	79
1987	33.6 °C25 July 1987	-18.7 °C28 January 1987	12.1 °C	1,119 mm	24	72
1986	36.4 °C6 July 1986	-14.8 °C15 January 1986	12.1 °C	1,087 mm	12	79
1985	33.8 °C14 August 1985	-19.4 °C21 January 1985	12.2 °C	881 mm	11	79
1984	33.5 °C13 June 1984	-23.3 °C22 January 1984	12.0 °C	1,213 mm	19	70
1983	34.9 °C16 July 1983	-14.7 °C25 December 1983	12.5 °C	1,470 mm	46	62
1982	35.0 °C19 July 1982	-20.7 °C18 January 1982	11.6 °C	870 mm	12	79
1981	34.1 °C9 July 1981	-22.3 °C12 January 1981	11.7 °C	907 mm	19	82
1980	36.8 °C21 July 1980	-18.0 °C25 December 1980	11.6 °C	847 mm	33	93
1979	32.3 °C10 August 1979	-23.8 °C18 February 1979	11.8 °C	1,334 mm	7	71
1978	35.0 °C23 July 1978	-15.6 °C5 February 1978	10.9 °C	1,182 mm	12	99
1977	35.1 °C21 July 1977	-19.2 °C17 January 1977	11.7 °C	1,282 mm	25	79
1976	33.4 °C22 August 1976	-18.2 °C23 January 1976	11.4 °C	974 mm	16	90
1975	34.6 °C2 August 1975	-12.2 °C24 December 1975	12.5 °C	1,211 mm	10	65
1974	33.5 °C9 July 1974	-15.2 °C18 January 1974	12.0 °C	1,024 mm	15	73
1973	33.6 °C28 August 1973	-13.1 °C17 February 1973	12.6 °C	1,333 mm	23	54
1972	33.5 °C23 July 1972	-15.0 °C23 February 1972	11.4 °C	1,499 mm	17	75
1971	33.8 °C8 July 1971	-18.4 °C19 January 1971	12.0 °C	1,109 mm	13	71
1970	35.4 °C23 September 1970	-17.4 °C23 January 1970	11.6 °C	930 mm	19	91
1969	33.6 °C28 June 1969	-12.6 °C28 January 1969	11.6 °C	1,152 mm	12	97
1968	34.6 °C25 August 1968	-19.6 °C9 January 1968	11.4 °C	982 mm	23	89
1967	31.2 °C25 June 1967	-23.4 °C13 February 1967	10.8 °C	1,088 mm	6	87
1966	37.3 °C3 July 1966	-15.2 °C20 February 1966	11.5 °C	957 mm	24	79
1965	32.7 °C25 July 1965	-18.7 °C15 January 1965	11.2 °C	710 mm	13	85
1964	34.8 °C1 July 1964	-17.7 °C15 January 1964	11.5 °C	905 mm	14	90
1963	34.5 °C1 July 1963	-17.6 °C29 January 1963	11.1 °C	922 mm	17	91
1962	31.5 °C8 July 1962	-17.0 °C11 February 1962	10.9 °C	941 mm	10	91
1961	32.4 °C1 September 1961	-21.2 °C22 January 1961	11.3 °C	1,212 mm	19	82
1960	31.7 °C29 August 1960	-16.7 °C28 December 1960	11.2 °C	1,158 mm	7	100
1959	33.5 °C30 June 1959	-13.6 °C2 February 1959	12.4 °C	1,149 mm	27	82
1958	32.3 °C15 July 1958	-16.6 °C18 February 1958	10.9 °C	1,212 mm	15	75
1957	35.3 °C22 July 1957	-19.5 °C18 January 1957	12.3 °C	874 mm	19	69
1956	33.2 °C2 July 1956	-11.4 °C2 January 1956	11.5 °C	1,076 mm	11	71
1955	34.8 °C23 July 1955	-16.2 °C3 February 1955	12.0 °C	1,034 mm	28	88
1954	35.2 °C31 July 1954	-18.4 °C18 January 1954	11.9 °C	1,048 mm	12	73
1953	34.8 °C2 September 1953	-8.6 °C2 February 1953	13.0 °C	1,146 mm	27	54
1952	35.7 °C26 June 1952	-13.4 °C30 January 1952	12.4 °C	1,149 mm	24	61
1951	32.7 °C27 July 1951	-12.7 °C17 December 1951	12.2 °C	1,112 mm	15	73
1950	32.2 °C26 June 1950	-13.6 °C21 February 1950	11.5 °C	1,031 mm	10	75
1949	35.5 °C10 August 1949	-11.0 °C12 February 1949	13.0 °C	939 mm	31	70
1948	34.9 °C28 August 1948	-19.5 °C31 January 1948	11.3 °C	1,156 mm	15	85
1947	34.7 °C13 August 1947	-12.4 °C30 December 1947	11.6 °C	999 mm	11	90
1946	32.2 °C19 July 1946	-13.1 °C20 January 1946	12.3 °C	906 mm	9	64
1945	33.3 °C30 June 1945	-19.1 °C25 January 1945	11.6 °C	1,325 mm	12	78
1944	33.8 °C5 August 1944	-13.7 °C17 January 1944	11.5 °C	1,223 mm	29	90
1943	34.4 °C26 June 1943	-17.3 °C15 February 1943	11.1 °C	961 mm	21	94
1942	32.5 °C19 July 1942	-18.7 °C21 December 1942	11.4 °C	1,194 mm	4	86
1941	33.8 °C2 July 1941	-13.7 °C10 February 1941	11.6 °C	906 mm	11	90
1940	33.1 °C26 July 1940	-13.9 °C20 January 1940	10.6 °C	1,169 mm	9	90

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

16.4 °C

+0.7 °C

Hot days (≥ 30 °C)

28 d/yr

Frost days (< 0 °C)

80 d/yr

Annual rainfall

986 mm

-112 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	2.0 °C	-0.7 °C	31 mm	-52 mm
Feb	4.1 °C	+0.2 °C	78 mm	-2 mm
Mar	11.9 °C	+3.5 °C	102 mm	0 mm
Apr	16.3 °C	+1.7 °C	91 mm	-3 mm
May	20.4 °C	0.0 °C	155 mm	+60 mm
Jun	26.6 °C	+1.1 °C	61 mm	-25 mm
Jul	30.3 °C	+2.0 °C	134 mm	+32 mm
Aug	26.4 °C	-0.8 °C	39 mm	-60 mm
Sep	24.5 °C	+1.1 °C	73 mm	-14 mm
Oct	18.2 °C	+0.7 °C	94 mm	+8 mm
Nov	11.3 °C	-0.1 °C	56 mm	-34 mm
Dec	3.7 °C	-1.7 °C	72 mm	-23 mm

The year's extremes

Hottest day

36.7 °C

24 Jun 2025

Coldest day

-13.1 °C

22 Jan 2025

Wettest day

34.1 mm

30 Oct 2025

Windiest day

34.5 km/h

8 Apr 2025

Strongest gust

72.4 km/h

5 Mar 2025

Hottest feels-like

41.8 °C

29 Jul 2025

Coldest feels-like

-18.1 °C

22 Jan 2025

Snowiest day

7.7 cm

14 Dec 2025

Sunniest day

14.1 h

20 Jun 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 Cliffside Park?

Cliffside Park has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.1 °C and it receives 1,098 mm of precipitation per year.

What is the hottest day ever recorded in Cliffside Park?

The hottest day measured in Cliffside Park between 1940 and 2025 was 6 July 2010, reaching 39.3 °C.

What is the coldest day in Cliffside Park?

The coldest day measured in Cliffside Park between 1940 and 2025 was 18 February 1979, at -23.8 °C.

Does it snow in Cliffside Park?

Yes. Cliffside Park gets on average 61.1 cm of snow per year and has around 75 frost days.

Has the climate of Cliffside Park warmed?

Yes: Cliffside Park warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cliffside Park?

The wettest day measured in Cliffside Park between 1940 and 2025 was 14 September 1944, with 141 mm of rain in 24 hours.

What was the windiest day in Cliffside Park?

The windiest day measured in Cliffside Park between 1940 and 2025 was 29 October 2012, with winds reaching 60.6 km/h.

What is the warmest month in Cliffside Park?

The warmest month in Cliffside Park is July (24.6 °C on average); the coldest is January (-0.7 °C).

How much does it rain in Cliffside Park?

Cliffside Park receives on average 1,098 mm of precipitation per year, spread over about 118 rainy days.

Is it sunny in Cliffside Park?

Cliffside Park gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

What is the biggest single-day snowfall in Cliffside Park?

The heaviest 24-hour snowfall measured in Cliffside Park between 1940 and 2025 was 23 January 2016, with 30.7 cm.

Are there tropical nights in Cliffside Park?

Yes: Cliffside Park has on average 54 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cliffside Park?

In Cliffside Park, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 8 July 1993, and the lowest was -29.8 °C on 18 February 1979.

Compare Cliffside Park with another city

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