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 18.1 °C and it receives 1,175 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 30 August 2000, reaching 41.3 °C.

Q: What is the coldest day in Jackson?

The coldest day measured in Jackson between 1940 and 2025 was 12 January 1962, at -19.3 °C.

Q: Does it snow in Jackson?

Yes. Jackson gets on average 2.7 cm of snow per year and has around 31 frost days.

Q: Has the climate of Jackson warmed?

Yes: Jackson warmed by +1.0 °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 5 September 2011, with 176 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 August 2005, with winds reaching 68.3 km/h.

Q: What is the warmest month in Jackson?

The warmest month in Jackson is July (27.2 °C on average); the coldest is January (7.7 °C).

Q: How much does it rain in Jackson?

Jackson receives on average 1,175 mm of precipitation per year, spread over about 117 rainy days.

Q: Is it sunny in Jackson?

Jackson gets on average 9.5 hours of sunshine per day, roughly 3,468 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 18.1 °C and it receives 1,175 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 (27.2 °C on average) and the coldest is January (7.7 °C). Rainfall peaks in March.

Jackson averages 31 frost days, 110 hot days (≥ 30 °C) and 117 rainy days per year.

Jackson has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.3 °C (on 30 August 2000) and the coldest -19.3 °C (on 12 January 1962).

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

JacksonMississippi

coords: 32.30°, -90.18°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthOctober

Mean daily temperature

18.1°C

Average daily high

24.0°C

Average daily low

13.0°C

Annual rainfall

1,175mm

Sunshine / day

9.5h

Mean relative humidity

72%

Average peak wind

14.5km/h

Seasonal range

19.5°C

Frost days (< 0 °C)

31 d/yr

Hot days (≥ 30 °C)

110 d/yr

Rainy days (≥ 1 mm)

117 d/yr

Annual snowfall

2.7 cm

Average feels-like high

24.7 °C

Average feels-like low

12.5 °C

Average peak gust

33.2 km/h

Tropical nights (≥ 20 °C)

107 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.19 · 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

41.3 °C

30 August 2000

Coldest day

-19.3 °C

12 January 1962

Wettest day

176 mm

5 September 2011

Windiest day

68.3 km/h

29 August 2005

Strongest gust

150.8 km/h

29 August 2005

Hottest feels-like

45.0 °C

3 August 2010

Coldest feels-like

-24.7 °C

12 January 1962

Snowiest day

10.3 cm

9 January 1962

Sunniest day

14.0 h

30 May 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.4 °C19 August 2025	-11.5 °C22 January 2025	19.2 °C	1,093 mm	135	30
2024	37.8 °C18 August 2024	-12.7 °C17 January 2024	19.3 °C	1,444 mm	118	26
2023	39.7 °C24 August 2023	-3.2 °C11 December 2023	20.1 °C	1,006 mm	137	16
2022	37.7 °C25 June 2022	-10.6 °C23 December 2022	18.8 °C	1,407 mm	123	33
2021	36.4 °C24 August 2021	-9.9 °C16 February 2021	18.8 °C	1,544 mm	99	20
2020	36.9 °C4 September 2020	-3.8 °C2 December 2020	19.3 °C	1,609 mm	104	17
2019	38.2 °C17 September 2019	-6.6 °C13 November 2019	19.1 °C	1,611 mm	129	23
2018	37.7 °C29 June 2018	-13.1 °C17 January 2018	19.0 °C	1,337 mm	143	29
2017	34.7 °C20 July 2017	-8.1 °C8 January 2017	19.4 °C	1,244 mm	93	16
2016	36.8 °C27 June 2016	-4.8 °C24 January 2016	19.6 °C	1,146 mm	140	26
2015	38.4 °C9 August 2015	-9.7 °C8 January 2015	19.3 °C	1,171 mm	120	31
2014	36.0 °C24 August 2014	-11.2 °C7 January 2014	17.3 °C	1,089 mm	109	48
2013	35.7 °C8 August 2013	-5.8 °C28 November 2013	17.8 °C	1,435 mm	105	34
2012	37.7 °C25 June 2012	-5.5 °C30 December 2012	19.2 °C	1,481 mm	104	21
2011	38.6 °C31 August 2011	-9.9 °C11 February 2011	18.6 °C	1,173 mm	122	34
2010	39.1 °C3 August 2010	-9.3 °C11 January 2010	18.2 °C	1,026 mm	141	51
2009	36.8 °C2 July 2009	-7.0 °C21 January 2009	18.1 °C	1,664 mm	89	34
2008	39.2 °C21 July 2008	-6.9 °C3 January 2008	18.4 °C	1,185 mm	107	30
2007	40.0 °C13 August 2007	-6.3 °C29 January 2007	19.1 °C	838 mm	135	30
2006	38.0 °C9 August 2006	-6.7 °C9 December 2006	18.9 °C	1,043 mm	121	30
2005	38.0 °C23 August 2005	-5.7 °C23 January 2005	18.6 °C	1,097 mm	125	22
2004	36.2 °C15 July 2004	-6.8 °C28 January 2004	18.3 °C	1,454 mm	100	34
2003	36.4 °C24 August 2003	-10.1 °C24 January 2003	18.0 °C	1,037 mm	103	33
2002	36.1 °C11 September 2002	-7.2 °C4 January 2002	18.3 °C	1,312 mm	118	35
2001	35.1 °C24 July 2001	-10.1 °C3 January 2001	17.8 °C	1,433 mm	81	27
2000	41.3 °C30 August 2000	-8.9 °C20 December 2000	18.6 °C	854 mm	127	34
1999	38.8 °C19 August 1999	-10.3 °C5 January 1999	18.7 °C	931 mm	110	23
1998	36.7 °C28 August 1998	-5.2 °C12 March 1998	19.1 °C	1,282 mm	138	20
1997	35.7 °C28 July 1997	-8.6 °C18 January 1997	17.5 °C	1,417 mm	94	25
1996	35.4 °C3 July 1996	-12.2 °C5 February 1996	17.6 °C	1,189 mm	85	37
1995	37.1 °C18 August 1995	-7.1 °C10 December 1995	18.2 °C	1,148 mm	114	35
1994	36.3 °C13 August 1994	-8.3 °C19 January 1994	18.4 °C	1,251 mm	111	25
1993	36.6 °C30 July 1993	-6.3 °C14 March 1993	17.7 °C	1,200 mm	116	22
1992	36.5 °C12 July 1992	-5.6 °C16 January 1992	17.8 °C	1,206 mm	108	21
1991	35.9 °C2 July 1991	-7.0 °C16 February 1991	18.4 °C	1,442 mm	110	29
1990	37.7 °C4 September 1990	-5.6 °C25 December 1990	19.0 °C	1,306 mm	126	18
1989	36.2 °C1 September 1989	-16.0 °C23 December 1989	17.5 °C	1,329 mm	95	42
1988	38.4 °C29 June 1988	-8.6 °C7 February 1988	17.6 °C	1,107 mm	103	41
1987	37.5 °C29 July 1987	-6.6 °C27 January 1987	17.8 °C	1,238 mm	108	28
1986	39.7 °C30 July 1986	-8.3 °C12 February 1986	18.5 °C	1,057 mm	122	29
1985	36.2 °C5 June 1985	-15.2 °C21 January 1985	17.7 °C	1,017 mm	105	50
1984	34.6 °C21 June 1984	-8.9 °C22 January 1984	17.8 °C	1,095 mm	100	32
1983	36.3 °C21 August 1983	-13.5 °C25 December 1983	16.9 °C	1,528 mm	84	32
1982	37.0 °C8 June 1982	-15.4 °C11 January 1982	18.6 °C	1,307 mm	125	31
1981	39.1 °C24 July 1981	-8.3 °C12 February 1981	18.1 °C	919 mm	120	29
1980	39.0 °C16 July 1980	-6.7 °C2 March 1980	17.9 °C	1,404 mm	116	36
1979	35.3 °C3 July 1979	-9.8 °C3 January 1979	17.0 °C	1,523 mm	79	46
1978	36.5 °C28 June 1978	-8.0 °C3 January 1978	17.2 °C	990 mm	105	56
1977	37.2 °C6 June 1977	-12.5 °C19 January 1977	17.9 °C	1,195 mm	117	45
1976	34.3 °C23 July 1976	-9.3 °C9 January 1976	16.8 °C	1,046 mm	84	39
1975	34.9 °C3 September 1975	-7.9 °C19 December 1975	17.8 °C	1,366 mm	81	30
1974	35.5 °C25 August 1974	-4.9 °C26 February 1974	18.4 °C	1,129 mm	100	22
1973	35.0 °C23 July 1973	-6.6 °C13 January 1973	18.4 °C	1,601 mm	106	28
1972	35.3 °C1 July 1972	-8.3 °C16 January 1972	18.3 °C	882 mm	121	23
1971	36.3 °C16 July 1971	-9.6 °C10 February 1971	18.0 °C	1,102 mm	102	28
1970	37.6 °C3 July 1970	-11.3 °C9 January 1970	17.7 °C	946 mm	121	40
1969	37.4 °C29 June 1969	-9.5 °C5 January 1969	17.5 °C	997 mm	104	33
1968	36.0 °C24 August 1968	-7.0 °C12 February 1968	17.0 °C	948 mm	100	44
1967	34.7 °C19 June 1967	-6.5 °C8 February 1967	17.7 °C	943 mm	90	36
1966	36.3 °C15 July 1966	-12.1 °C30 January 1966	17.3 °C	1,024 mm	92	38
1965	35.2 °C20 July 1965	-7.9 °C17 January 1965	17.9 °C	879 mm	100	37
1964	36.0 °C4 August 1964	-9.6 °C15 January 1964	17.9 °C	1,078 mm	106	35
1963	38.1 °C14 June 1963	-18.5 °C24 December 1963	17.8 °C	867 mm	129	55
1962	37.4 °C12 August 1962	-19.3 °C12 January 1962	18.2 °C	958 mm	141	26
1961	34.0 °C30 August 1961	-7.8 °C22 January 1961	17.2 °C	1,524 mm	97	34
1960	37.4 °C3 July 1960	-11.3 °C14 February 1960	17.2 °C	966 mm	118	42
1959	37.0 °C29 June 1959	-7.8 °C5 January 1959	18.3 °C	1,088 mm	140	32
1958	35.8 °C6 August 1958	-9.4 °C13 February 1958	17.1 °C	903 mm	99	42
1957	36.9 °C28 August 1957	-8.4 °C12 December 1957	18.5 °C	1,232 mm	105	19
1956	38.2 °C7 August 1956	-6.5 °C30 November 1956	18.6 °C	1,090 mm	119	24
1955	35.4 °C8 September 1955	-7.9 °C16 December 1955	18.3 °C	1,027 mm	124	37
1954	38.9 °C15 August 1954	-5.2 °C8 February 1954	18.9 °C	685 mm	130	27
1953	37.6 °C19 June 1953	-6.0 °C24 December 1953	18.8 °C	1,202 mm	131	17
1952	37.5 °C29 July 1952	-4.8 °C16 December 1952	18.4 °C	712 mm	127	19
1951	38.5 °C30 August 1951	-12.9 °C2 February 1951	18.5 °C	1,050 mm	124	39
1950	34.5 °C17 June 1950	-7.1 °C25 November 1950	18.1 °C	1,217 mm	93	24
1949	36.4 °C8 July 1949	-12.7 °C1 February 1949	18.6 °C	1,179 mm	109	17
1948	37.9 °C24 July 1948	-15.2 °C18 January 1948	18.1 °C	1,514 mm	116	37
1947	39.2 °C6 August 1947	-4.9 °C10 February 1947	17.8 °C	1,178 mm	103	27
1946	33.9 °C18 August 1946	-4.7 °C23 January 1946	18.5 °C	1,493 mm	69	13
1945	35.9 °C1 September 1945	-5.4 °C20 December 1945	18.4 °C	1,198 mm	105	22
1944	38.9 °C29 July 1944	-4.4 °C10 January 1944	18.9 °C	1,198 mm	118	19
1943	40.9 °C28 August 1943	-5.4 °C3 March 1943	18.2 °C	935 mm	108	25
1942	36.8 °C7 August 1942	-7.4 °C8 January 1942	17.8 °C	912 mm	97	27
1941	36.2 °C28 August 1941	-3.9 °C19 January 1941	17.7 °C	788 mm	110	28
1940	33.5 °C9 September 1940	-15.1 °C28 January 1940	16.5 °C	1,407 mm	60	35

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

25.1 °C

+1.1 °C

Hot days (≥ 30 °C)

135 d/yr

+25

Frost days (< 0 °C)

30 d/yr

-1

Annual rainfall

1093 mm

-82 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.7 °C	-1.5 °C	120 mm	+1 mm
Feb	18.2 °C	+2.6 °C	88 mm	-24 mm
Mar	22.5 °C	+2.8 °C	165 mm	+32 mm
Apr	26.4 °C	+2.3 °C	95 mm	-20 mm
May	27.8 °C	-0.4 °C	163 mm	+62 mm
Jun	31.8 °C	+0.1 °C	107 mm	+30 mm
Jul	33.2 °C	+0.7 °C	53 mm	-42 mm
Aug	32.5 °C	-0.3 °C	91 mm	+14 mm
Sep	31.7 °C	+1.4 °C	28 mm	-49 mm
Oct	27.3 °C	+1.9 °C	87 mm	+17 mm
Nov	21.3 °C	+2.1 °C	52 mm	-38 mm
Dec	16.4 °C	+1.5 °C	46 mm	-65 mm

The year's extremes

Hottest day

36.4 °C

19 Aug 2025

Coldest day

-11.5 °C

22 Jan 2025

Wettest day

58.8 mm

31 Mar 2025

Windiest day

38.7 km/h

4 Mar 2025

Strongest gust

100.1 km/h

4 Mar 2025

Hottest feels-like

42.9 °C

30 Jul 2025

Coldest feels-like

-16.1 °C

22 Jan 2025

Snowiest day

1.0 cm

21 Jan 2025

Sunniest day

14.0 h

31 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 Jackson?

Jackson has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,175 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 30 August 2000, reaching 41.3 °C.

What is the coldest day in Jackson?

The coldest day measured in Jackson between 1940 and 2025 was 12 January 1962, at -19.3 °C.

Does it snow in Jackson?

Yes. Jackson gets on average 2.7 cm of snow per year and has around 31 frost days.

Has the climate of Jackson warmed?

Yes: Jackson warmed by +1.0 °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 5 September 2011, with 176 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 August 2005, with winds reaching 68.3 km/h.

What is the warmest month in Jackson?

The warmest month in Jackson is July (27.2 °C on average); the coldest is January (7.7 °C).

How much does it rain in Jackson?

Jackson receives on average 1,175 mm of precipitation per year, spread over about 117 rainy days.

Is it sunny in Jackson?

Jackson gets on average 9.5 hours of sunshine per day, roughly 3,468 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 9 January 1962, with 10.3 cm.

Are there tropical nights in Jackson?

Yes: Jackson has on average 107 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 45.0 °C on 3 August 2010, and the lowest was -24.7 °C on 12 January 1962.

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