Jackson climate — normals and trends

Q: What is the climate of Jackson?

Jackson has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,104 mm of precipitation per year.

Q: What is the hottest day ever recorded in Jackson?

The hottest day measured in Jackson between 1940 and 2025 was 3 July 1966, reaching 40.6 °C.

Q: What is the coldest day in Jackson?

The coldest day measured in Jackson between 1940 and 2025 was 22 January 1984, at -26.2 °C.

Q: Does it snow in Jackson?

Yes. Jackson gets on average 44.8 cm of snow per year and has around 73 frost days.

Q: Has the climate of Jackson warmed?

Yes: Jackson warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Jackson?

The wettest day measured in Jackson between 1940 and 2025 was 10 August 1962, with 129 mm of rain in 24 hours.

Q: What was the windiest day in Jackson?

The windiest day measured in Jackson between 1940 and 2025 was 29 October 2012, with winds reaching 55.0 km/h.

Q: What is the warmest month in Jackson?

The warmest month in Jackson is July (25.0 °C on average); the coldest is January (1.1 °C).

Q: How much does it rain in Jackson?

Jackson receives on average 1,104 mm of precipitation per year, spread over about 119 rainy days.

Q: Is it sunny in Jackson?

Jackson gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Jackson (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 1,104 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 (25.0 °C on average) and the coldest is January (1.1 °C). Rainfall peaks in August.

Jackson averages 73 frost days, 39 hot days (≥ 30 °C) and 119 rainy days per year.

Jackson has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The number of frost days there went from about 80 to 66 per year over the period.

The hottest day of the period reached 40.6 °C (on 3 July 1966) and the coldest -26.2 °C (on 22 January 1984).

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

JacksonNew Jersey

coords: 39.78°, -74.86°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthFebruary

Mean daily temperature

13.1°C

Average daily high

17.6°C

Average daily low

8.8°C

Annual rainfall

1,104mm

Sunshine / day

9.0h

Mean relative humidity

67%

Average peak wind

18.3km/h

Seasonal range

23.9°C

Frost days (< 0 °C)

73 d/yr

Hot days (≥ 30 °C)

39 d/yr

Rainy days (≥ 1 mm)

119 d/yr

Annual snowfall

44.8 cm

Average feels-like high

16.3 °C

Average feels-like low

6.5 °C

Average peak gust

39.9 km/h

Tropical nights (≥ 20 °C)

52 d/yr

Solar radiation

15.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.37 · 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

40.6 °C

3 July 1966

Coldest day

-26.2 °C

22 January 1984

Wettest day

129 mm

10 August 1962

Windiest day

55.0 km/h

29 October 2012

Strongest gust

148.3 km/h

25 November 1950

Hottest feels-like

45.7 °C

15 July 1995

Coldest feels-like

-31.2 °C

22 January 1984

Snowiest day

33.7 cm

23 January 2016

Sunniest day

14.0 h

3 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.8 °C24 June 2025	-12.2 °C23 January 2025	13.7 °C	970 mm	48	75
2024	36.4 °C16 July 2024	-13.2 °C23 December 2024	14.4 °C	1,037 mm	42	60
2023	35.9 °C6 September 2023	-10.8 °C4 February 2023	14.6 °C	1,150 mm	44	37
2022	35.7 °C9 August 2022	-14.1 °C31 January 2022	14.0 °C	1,184 mm	51	83
2021	35.8 °C30 June 2021	-8.5 °C8 February 2021	14.5 °C	1,144 mm	52	60
2020	35.4 °C3 July 2020	-10.3 °C15 February 2020	14.5 °C	1,375 mm	51	51
2019	36.9 °C21 July 2019	-14.8 °C31 January 2019	14.1 °C	1,245 mm	52	74
2018	35.1 °C29 August 2018	-17.1 °C7 January 2018	13.9 °C	1,662 mm	49	67
2017	35.3 °C13 June 2017	-16.9 °C9 January 2017	14.3 °C	1,079 mm	40	59
2016	36.0 °C14 August 2016	-13.5 °C14 February 2016	14.2 °C	1,046 mm	53	61
2015	35.9 °C23 June 2015	-16.3 °C20 February 2015	13.9 °C	1,071 mm	45	75
2014	34.9 °C18 June 2014	-20.0 °C4 January 2014	12.6 °C	1,105 mm	27	81
2013	35.0 °C18 July 2013	-11.6 °C23 January 2013	13.2 °C	1,072 mm	33	75
2012	37.8 °C7 July 2012	-10.7 °C4 January 2012	14.7 °C	957 mm	47	46
2011	40.3 °C22 July 2011	-11.3 °C24 January 2011	14.4 °C	1,308 mm	49	69
2010	39.3 °C6 July 2010	-10.7 °C7 February 2010	14.2 °C	1,111 mm	68	78
2009	33.8 °C10 August 2009	-15.7 °C4 March 2009	13.0 °C	1,289 mm	24	79
2008	37.2 °C10 June 2008	-11.4 °C11 February 2008	13.8 °C	1,050 mm	56	70
2007	36.1 °C8 August 2007	-12.3 °C26 January 2007	13.6 °C	1,051 mm	45	75
2006	36.7 °C18 July 2006	-10.1 °C19 February 2006	14.2 °C	1,149 mm	41	48
2005	37.9 °C27 July 2005	-17.3 °C29 January 2005	13.2 °C	1,010 mm	45	75
2004	33.2 °C9 June 2004	-15.9 °C16 January 2004	13.1 °C	1,148 mm	29	78
2003	34.9 °C26 June 2003	-13.2 °C18 January 2003	12.5 °C	1,416 mm	27	83
2002	37.8 °C4 July 2002	-10.8 °C7 December 2002	14.0 °C	1,074 mm	53	59
2001	37.7 °C9 August 2001	-12.1 °C5 January 2001	13.8 °C	881 mm	32	69
2000	35.4 °C11 June 2000	-13.9 °C18 January 2000	12.7 °C	1,003 mm	23	81
1999	37.5 °C5 July 1999	-11.0 °C2 January 1999	13.8 °C	1,069 mm	46	66
1998	35.7 °C22 July 1998	-9.7 °C25 December 1998	14.4 °C	913 mm	42	40
1997	35.8 °C15 July 1997	-15.1 °C19 January 1997	12.9 °C	980 mm	38	64
1996	35.0 °C20 May 1996	-18.7 °C5 February 1996	12.5 °C	1,419 mm	18	69
1995	39.0 °C15 July 1995	-14.7 °C6 February 1995	13.5 °C	908 mm	53	75
1994	36.3 °C15 June 1994	-19.1 °C19 January 1994	13.6 °C	1,117 mm	46	67
1993	38.0 °C10 July 1993	-15.4 °C7 February 1993	13.3 °C	1,050 mm	49	74
1992	35.7 °C14 July 1992	-11.5 °C19 January 1992	12.4 °C	1,059 mm	23	73
1991	37.2 °C29 June 1991	-11.6 °C23 January 1991	14.1 °C	1,073 mm	56	67
1990	36.5 °C5 July 1990	-12.3 °C26 February 1990	14.2 °C	1,041 mm	37	52
1989	33.9 °C27 June 1989	-16.2 °C23 December 1989	12.6 °C	1,458 mm	30	87
1988	36.5 °C15 August 1988	-20.0 °C11 January 1988	12.5 °C	944 mm	53	86
1987	35.3 °C21 July 1987	-22.4 °C28 January 1987	12.9 °C	1,101 mm	43	72
1986	37.2 °C7 July 1986	-11.9 °C15 January 1986	13.1 °C	1,089 mm	41	77
1985	35.7 °C14 August 1985	-20.9 °C21 January 1985	13.3 °C	849 mm	34	78
1984	35.2 °C9 June 1984	-26.2 °C22 January 1984	12.9 °C	1,233 mm	35	71
1983	37.6 °C20 August 1983	-17.1 °C25 December 1983	13.2 °C	1,396 mm	51	62
1982	35.2 °C19 July 1982	-20.5 °C17 January 1982	12.5 °C	993 mm	16	76
1981	34.7 °C9 July 1981	-16.6 °C13 January 1981	12.3 °C	1,047 mm	23	82
1980	36.1 °C16 July 1980	-15.1 °C25 December 1980	12.6 °C	884 mm	58	87
1979	35.0 °C10 August 1979	-21.7 °C18 February 1979	12.9 °C	1,338 mm	30	68
1978	35.0 °C23 July 1978	-17.3 °C5 February 1978	11.8 °C	1,280 mm	25	90
1977	36.6 °C19 July 1977	-19.8 °C17 January 1977	12.7 °C	1,141 mm	42	81
1976	33.8 °C18 April 1976	-14.7 °C23 January 1976	12.5 °C	923 mm	35	89
1975	35.5 °C2 August 1975	-10.3 °C25 December 1975	13.4 °C	1,311 mm	30	72
1974	35.4 °C10 July 1974	-12.1 °C10 February 1974	13.3 °C	958 mm	38	67
1973	35.8 °C28 August 1973	-13.0 °C17 February 1973	13.6 °C	1,229 mm	38	55
1972	35.3 °C23 July 1972	-14.7 °C16 January 1972	12.5 °C	1,297 mm	30	75
1971	35.8 °C8 July 1971	-12.7 °C3 February 1971	13.2 °C	1,212 mm	34	66
1970	34.8 °C23 September 1970	-16.5 °C9 January 1970	12.8 °C	905 mm	43	77
1969	35.0 °C29 May 1969	-10.7 °C28 January 1969	12.5 °C	1,240 mm	34	89
1968	38.4 °C1 July 1968	-18.5 °C12 January 1968	12.6 °C	927 mm	39	80
1967	32.9 °C16 June 1967	-19.1 °C13 February 1967	11.8 °C	1,036 mm	21	80
1966	40.6 °C3 July 1966	-15.7 °C29 January 1966	12.3 °C	905 mm	47	84
1965	34.9 °C29 June 1965	-16.9 °C17 January 1965	12.2 °C	680 mm	42	88
1964	36.2 °C10 June 1964	-16.8 °C15 January 1964	12.6 °C	1,048 mm	48	85
1963	36.5 °C27 June 1963	-16.9 °C29 January 1963	12.2 °C	905 mm	30	84
1962	35.5 °C19 May 1962	-15.1 °C11 February 1962	11.9 °C	1,136 mm	29	88
1961	34.1 °C13 June 1961	-24.9 °C22 January 1961	12.5 °C	1,208 mm	41	77
1960	33.3 °C3 August 1960	-15.3 °C24 December 1960	12.3 °C	1,076 mm	27	98
1959	37.4 °C29 June 1959	-13.0 °C23 December 1959	13.4 °C	1,060 mm	52	79
1958	33.6 °C31 July 1958	-15.2 °C17 February 1958	11.8 °C	1,432 mm	30	77
1957	38.1 °C22 July 1957	-16.5 °C18 January 1957	13.2 °C	941 mm	45	62
1956	36.7 °C2 July 1956	-9.9 °C28 January 1956	12.6 °C	1,116 mm	32	66
1955	37.1 °C22 July 1955	-17.4 °C3 February 1955	12.9 °C	947 mm	45	85
1954	36.9 °C31 July 1954	-19.7 °C18 January 1954	13.1 °C	959 mm	34	70
1953	37.6 °C18 July 1953	-9.2 °C18 December 1953	13.9 °C	1,158 mm	47	52
1952	38.0 °C26 June 1952	-12.5 °C30 January 1952	13.3 °C	1,274 mm	38	55
1951	34.1 °C27 July 1951	-11.2 °C17 December 1951	13.1 °C	1,056 mm	40	71
1950	33.7 °C31 July 1950	-12.3 °C28 December 1950	12.6 °C	1,029 mm	25	83
1949	37.9 °C28 July 1949	-8.8 °C12 February 1949	14.1 °C	880 mm	46	57
1948	36.7 °C26 August 1948	-19.5 °C19 January 1948	12.4 °C	1,354 mm	26	75
1947	34.0 °C15 August 1947	-13.4 °C5 February 1947	12.6 °C	952 mm	24	83
1946	32.9 °C20 July 1946	-10.0 °C23 January 1946	13.4 °C	965 mm	18	57
1945	35.6 °C1 July 1945	-16.0 °C25 January 1945	12.8 °C	1,253 mm	24	75
1944	35.6 °C5 August 1944	-9.7 °C17 January 1944	12.8 °C	1,208 mm	45	79
1943	34.7 °C25 June 1943	-15.2 °C15 February 1943	12.5 °C	930 mm	49	89
1942	35.1 °C19 July 1942	-16.6 °C11 January 1942	12.7 °C	1,267 mm	25	78
1941	35.7 °C28 July 1941	-9.0 °C20 February 1941	12.9 °C	973 mm	37	89
1940	35.2 °C26 July 1940	-14.5 °C20 January 1940	11.7 °C	1,211 mm	16	84

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

18.2 °C

+0.6 °C

Hot days (≥ 30 °C)

48 d/yr

Frost days (< 0 °C)

75 d/yr

Annual rainfall

970 mm

-134 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	3.2 °C	-1.6 °C	32 mm	-50 mm
Feb	6.8 °C	+0.4 °C	64 mm	-13 mm
Mar	14.9 °C	+3.9 °C	106 mm	+6 mm
Apr	18.8 °C	+1.7 °C	88 mm	-4 mm
May	22.6 °C	+0.2 °C	126 mm	+34 mm
Jun	28.7 °C	+1.5 °C	80 mm	-10 mm
Jul	31.2 °C	+1.5 °C	183 mm	+76 mm
Aug	27.7 °C	-0.9 °C	40 mm	-75 mm
Sep	26.3 °C	+1.3 °C	84 mm	-6 mm
Oct	19.8 °C	+0.6 °C	55 mm	-27 mm
Nov	13.0 °C	-0.1 °C	46 mm	-39 mm
Dec	5.2 °C	-2.0 °C	66 mm	-24 mm

The year's extremes

Hottest day

39.8 °C

24 Jun 2025

Coldest day

-12.2 °C

23 Jan 2025

Wettest day

28.9 mm

30 Oct 2025

Windiest day

41.2 km/h

16 Feb 2025

Strongest gust

89.6 km/h

16 Feb 2025

Hottest feels-like

43.1 °C

23 Jun 2025

Coldest feels-like

-16.7 °C

23 Jan 2025

Snowiest day

9.0 cm

14 Dec 2025

Sunniest day

14.0 h

3 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 Jackson?

Jackson has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,104 mm of precipitation per year.

What is the hottest day ever recorded in Jackson?

The hottest day measured in Jackson between 1940 and 2025 was 3 July 1966, reaching 40.6 °C.

What is the coldest day in Jackson?

The coldest day measured in Jackson between 1940 and 2025 was 22 January 1984, at -26.2 °C.

Does it snow in Jackson?

Yes. Jackson gets on average 44.8 cm of snow per year and has around 73 frost days.

Has the climate of Jackson warmed?

Yes: Jackson warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Jackson?

The wettest day measured in Jackson between 1940 and 2025 was 10 August 1962, with 129 mm of rain in 24 hours.

What was the windiest day in Jackson?

The windiest day measured in Jackson between 1940 and 2025 was 29 October 2012, with winds reaching 55.0 km/h.

What is the warmest month in Jackson?

The warmest month in Jackson is July (25.0 °C on average); the coldest is January (1.1 °C).

How much does it rain in Jackson?

Jackson receives on average 1,104 mm of precipitation per year, spread over about 119 rainy days.

Is it sunny in Jackson?

Jackson gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

What is the biggest single-day snowfall in Jackson?

The heaviest 24-hour snowfall measured in Jackson between 1940 and 2025 was 23 January 2016, with 33.7 cm.

Are there tropical nights in Jackson?

Yes: Jackson has on average 52 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jackson?

In Jackson, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 15 July 1995, and the lowest was -31.2 °C on 22 January 1984.

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