Morristown climate — normals and trends

Q: What is the climate of Morristown?

Morristown has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 1,097 mm of precipitation per year.

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

The hottest day measured in Morristown between 1940 and 2025 was 1 July 2012, reaching 39.6 °C.

Q: What is the coldest day in Morristown?

The coldest day measured in Morristown between 1940 and 2025 was 5 February 1996, at -28.1 °C.

Q: Does it snow in Morristown?

Yes. Morristown gets on average 26.9 cm of snow per year and has around 66 frost days.

Q: Has the climate of Morristown warmed?

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

Q: What is the wettest day in Morristown?

The wettest day measured in Morristown between 1940 and 2025 was 1 October 1989, with 99 mm of rain in 24 hours.

Q: What was the windiest day in Morristown?

The windiest day measured in Morristown between 1940 and 2025 was 25 February 1961, with winds reaching 38.7 km/h.

Q: What is the warmest month in Morristown?

The warmest month in Morristown is July (24.4 °C on average); the coldest is January (2.7 °C).

Q: How much does it rain in Morristown?

Morristown receives on average 1,097 mm of precipitation per year, spread over about 137 rainy days.

Q: Is it sunny in Morristown?

Morristown gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Morristown (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.1 °C and it receives 1,097 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 (24.4 °C on average) and the coldest is January (2.7 °C). Rainfall peaks in March.

Morristown averages 66 frost days, 45 hot days (≥ 30 °C) and 137 rainy days per year.

Morristown has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The number of frost days there went from about 76 to 56 per year over the period.

The hottest day of the period reached 39.6 °C (on 1 July 2012) and the coldest -28.1 °C (on 5 February 1996).

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

MorristownTennessee

coords: 36.21°, -83.29°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthOctober

Mean daily temperature

14.1°C

Average daily high

19.6°C

Average daily low

9.2°C

Annual rainfall

1,097mm

Sunshine / day

8.9h

Mean relative humidity

73%

Average peak wind

12.4km/h

Seasonal range

21.7°C

Frost days (< 0 °C)

66 d/yr

Hot days (≥ 30 °C)

45 d/yr

Rainy days (≥ 1 mm)

137 d/yr

Annual snowfall

26.9 cm

Average feels-like high

19.3 °C

Average feels-like low

8.0 °C

Average peak gust

31.2 km/h

Tropical nights (≥ 20 °C)

44 d/yr

Solar radiation

15.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.35 · 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

39.6 °C

1 July 2012

Coldest day

-28.1 °C

5 February 1996

Wettest day

99 mm

1 October 1989

Windiest day

38.7 km/h

25 February 1961

Strongest gust

101.5 km/h

12 January 2024

Hottest feels-like

42.0 °C

21 August 1983

Coldest feels-like

-33.1 °C

21 January 1985

Snowiest day

38.2 cm

13 March 1993

Sunniest day

14.4 h

14 June 2019

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.7 °C25 June 2025	-13.5 °C22 January 2025	15.3 °C	1,061 mm	64	58
2024	34.8 °C29 August 2024	-20.1 °C21 January 2024	15.3 °C	1,156 mm	54	49
2023	35.1 °C29 July 2023	-5.8 °C4 February 2023	15.6 °C	1,132 mm	46	38
2022	35.4 °C15 June 2022	-16.0 °C24 December 2022	14.9 °C	1,209 mm	56	64
2021	35.0 °C28 July 2021	-6.6 °C17 February 2021	15.3 °C	1,058 mm	65	51
2020	34.1 °C21 July 2020	-11.2 °C26 December 2020	15.3 °C	1,447 mm	51	39
2019	35.5 °C10 September 2019	-11.1 °C21 January 2019	15.9 °C	1,348 mm	87	43
2018	34.3 °C4 July 2018	-15.4 °C2 January 2018	15.2 °C	1,473 mm	78	56
2017	34.8 °C22 July 2017	-14.7 °C8 January 2017	15.5 °C	1,179 mm	38	51
2016	35.7 °C26 August 2016	-11.6 °C19 January 2016	15.9 °C	845 mm	98	57
2015	34.4 °C16 June 2015	-17.7 °C19 February 2015	15.2 °C	1,244 mm	45	62
2014	33.3 °C2 July 2014	-18.1 °C7 January 2014	14.0 °C	982 mm	43	75
2013	34.1 °C17 July 2013	-7.2 °C19 January 2013	14.2 °C	1,183 mm	19	65
2012	39.6 °C1 July 2012	-7.9 °C4 January 2012	15.3 °C	1,052 mm	46	41
2011	35.7 °C3 September 2011	-13.0 °C9 January 2011	14.9 °C	1,127 mm	69	55
2010	35.5 °C8 July 2010	-11.9 °C1 February 2010	14.2 °C	1,028 mm	76	77
2009	32.3 °C19 June 2009	-15.7 °C16 January 2009	14.1 °C	1,193 mm	19	61
2008	35.0 °C9 June 2008	-12.1 °C25 January 2008	14.5 °C	885 mm	68	68
2007	36.7 °C16 August 2007	-11.9 °C29 January 2007	15.6 °C	748 mm	93	66
2006	34.5 °C19 July 2006	-10.9 °C9 December 2006	14.5 °C	1,128 mm	44	55
2005	35.7 °C26 July 2005	-11.9 °C18 January 2005	14.8 °C	887 mm	79	61
2004	32.1 °C28 August 2004	-13.3 °C20 December 2004	14.5 °C	1,156 mm	18	64
2003	33.1 °C26 August 2003	-18.1 °C24 January 2003	14.0 °C	1,172 mm	32	69
2002	33.8 °C10 September 2002	-10.5 °C28 February 2002	14.7 °C	1,124 mm	60	70
2001	33.1 °C9 August 2001	-10.4 °C3 January 2001	14.4 °C	935 mm	22	63
2000	31.4 °C10 July 2000	-14.1 °C27 January 2000	13.7 °C	932 mm	14	69
1999	34.1 °C30 July 1999	-10.8 °C5 January 1999	14.5 °C	952 mm	40	56
1998	34.8 °C14 September 1998	-12.7 °C1 January 1998	15.1 °C	1,101 mm	43	35
1997	34.8 °C28 July 1997	-13.3 °C17 January 1997	13.6 °C	1,116 mm	37	57
1996	33.1 °C23 June 1996	-28.1 °C5 February 1996	13.1 °C	1,381 mm	24	89
1995	36.1 °C15 August 1995	-14.8 °C10 December 1995	14.0 °C	1,181 mm	53	70
1994	33.9 °C6 July 1994	-27.4 °C19 January 1994	14.0 °C	1,352 mm	35	54
1993	35.6 °C7 July 1993	-15.4 °C15 March 1993	14.0 °C	1,080 mm	65	71
1992	32.7 °C13 July 1992	-12.7 °C16 January 1992	13.4 °C	1,041 mm	21	60
1991	34.9 °C23 July 1991	-13.5 °C16 February 1991	14.9 °C	1,076 mm	72	56
1990	35.4 °C28 August 1990	-9.5 °C25 December 1990	15.1 °C	1,343 mm	57	48
1989	33.3 °C25 July 1989	-18.5 °C23 December 1989	13.4 °C	1,367 mm	28	61
1988	36.7 °C18 August 1988	-14.1 °C7 February 1988	13.2 °C	1,030 mm	52	86
1987	35.8 °C3 August 1987	-11.3 °C27 January 1987	14.4 °C	933 mm	68	65
1986	34.5 °C20 July 1986	-17.3 °C28 January 1986	14.3 °C	1,030 mm	54	68
1985	34.8 °C14 August 1985	-27.4 °C21 January 1985	13.8 °C	1,027 mm	38	74
1984	31.8 °C9 August 1984	-17.9 °C7 February 1984	13.7 °C	1,005 mm	36	72
1983	35.4 °C21 August 1983	-20.1 °C25 December 1983	13.3 °C	1,040 mm	42	66
1982	33.0 °C27 July 1982	-19.6 °C11 January 1982	14.1 °C	1,135 mm	38	60
1981	33.2 °C25 June 1981	-17.8 °C12 February 1981	13.2 °C	966 mm	31	83
1980	35.5 °C16 July 1980	-17.7 °C11 February 1980	13.5 °C	1,050 mm	55	71
1979	33.9 °C9 August 1979	-22.6 °C10 February 1979	13.3 °C	1,109 mm	20	81
1978	34.0 °C27 June 1978	-14.9 °C10 January 1978	13.3 °C	1,022 mm	27	75
1977	34.0 °C8 July 1977	-20.1 °C17 January 1977	14.0 °C	1,121 mm	57	73
1976	33.6 °C24 July 1976	-14.6 °C19 January 1976	12.9 °C	983 mm	27	83
1975	34.3 °C5 September 1975	-12.5 °C19 December 1975	14.3 °C	1,104 mm	44	62
1974	31.5 °C29 July 1974	-9.6 °C26 February 1974	14.1 °C	1,255 mm	15	49
1973	35.7 °C29 August 1973	-14.2 °C12 January 1973	14.3 °C	1,113 mm	45	62
1972	32.3 °C23 July 1972	-18.6 °C16 January 1972	13.5 °C	1,415 mm	9	55
1971	31.6 °C10 September 1971	-15.2 °C10 February 1971	14.0 °C	1,180 mm	16	60
1970	35.2 °C1 July 1970	-19.2 °C10 January 1970	14.3 °C	806 mm	74	75
1969	33.7 °C29 June 1969	-15.6 °C5 January 1969	13.3 °C	946 mm	44	80
1968	34.7 °C23 August 1968	-16.2 °C8 January 1968	13.2 °C	915 mm	40	87
1967	30.9 °C14 June 1967	-16.6 °C25 February 1967	13.2 °C	1,040 mm	7	75
1966	34.2 °C14 July 1966	-20.3 °C30 January 1966	13.0 °C	1,006 mm	27	75
1965	33.8 °C17 August 1965	-22.2 °C3 February 1965	13.9 °C	895 mm	28	77
1964	34.4 °C28 June 1964	-14.2 °C15 January 1964	13.8 °C	1,244 mm	46	70
1963	34.0 °C10 June 1963	-26.9 °C24 January 1963	13.1 °C	993 mm	21	83
1962	33.6 °C18 May 1962	-20.4 °C11 January 1962	13.9 °C	1,062 mm	65	59
1961	33.3 °C30 August 1961	-19.5 °C28 January 1961	13.5 °C	1,221 mm	36	60
1960	34.0 °C20 June 1960	-17.0 °C6 March 1960	13.2 °C	1,027 mm	52	86
1959	34.1 °C1 July 1959	-15.9 °C17 January 1959	14.4 °C	1,072 mm	68	66
1958	33.4 °C13 June 1958	-17.5 °C19 February 1958	13.1 °C	1,104 mm	33	76
1957	34.8 °C16 July 1957	-14.4 °C12 December 1957	14.9 °C	1,278 mm	62	52
1956	34.4 °C18 August 1956	-8.2 °C27 January 1956	14.4 °C	1,144 mm	48	60
1955	35.3 °C20 August 1955	-14.1 °C12 February 1955	14.3 °C	978 mm	70	76
1954	37.1 °C5 September 1954	-12.6 °C13 January 1954	14.3 °C	1,024 mm	83	70
1953	36.9 °C1 September 1953	-13.1 °C18 December 1953	14.7 °C	979 mm	68	61
1952	38.4 °C28 July 1952	-12.2 °C30 January 1952	14.4 °C	988 mm	70	62
1951	34.8 °C1 September 1951	-16.1 °C2 February 1951	13.9 °C	1,238 mm	61	77
1950	31.3 °C19 July 1950	-15.2 °C25 November 1950	13.8 °C	1,136 mm	18	75
1949	33.9 °C28 July 1949	-7.2 °C24 December 1949	14.8 °C	1,206 mm	43	50
1948	36.3 °C5 July 1948	-15.8 °C25 January 1948	14.4 °C	1,242 mm	55	60
1947	34.0 °C5 August 1947	-13.6 °C26 February 1947	13.0 °C	1,026 mm	43	89
1946	32.4 °C24 July 1946	-7.7 °C2 January 1946	14.3 °C	1,043 mm	19	59
1945	33.8 °C29 June 1945	-14.8 °C17 December 1945	13.6 °C	1,263 mm	27	66
1944	34.7 °C23 June 1944	-7.0 °C13 February 1944	13.9 °C	1,106 mm	45	67
1943	34.2 °C25 August 1943	-10.8 °C23 March 1943	13.3 °C	985 mm	47	79
1942	33.4 °C2 August 1942	-12.9 °C8 January 1942	13.1 °C	1,108 mm	14	82
1941	31.7 °C29 May 1941	-9.0 °C18 March 1941	13.5 °C	1,003 mm	20	86
1940	33.3 °C28 July 1940	-23.6 °C26 January 1940	12.2 °C	1,096 mm	11	81

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

21.0 °C

+1.4 °C

Hot days (≥ 30 °C)

64 d/yr

+19

Frost days (< 0 °C)

58 d/yr

-8

Annual rainfall

1061 mm

-36 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	4.9 °C	-2.7 °C	64 mm	-39 mm
Feb	12.4 °C	+2.3 °C	132 mm	+28 mm
Mar	18.7 °C	+3.8 °C	55 mm	-56 mm
Apr	22.8 °C	+2.7 °C	99 mm	+2 mm
May	23.8 °C	-0.5 °C	168 mm	+75 mm
Jun	30.5 °C	+2.2 °C	87 mm	+5 mm
Jul	33.3 °C	+3.7 °C	88 mm	-15 mm
Aug	29.4 °C	+0.1 °C	91 mm	+7 mm
Sep	27.7 °C	+1.1 °C	58 mm	-17 mm
Oct	21.9 °C	+1.0 °C	93 mm	+26 mm
Nov	15.8 °C	+1.4 °C	64 mm	-17 mm
Dec	10.6 °C	+1.3 °C	63 mm	-34 mm

The year's extremes

Hottest day

36.7 °C

25 Jun 2025

Coldest day

-13.5 °C

22 Jan 2025

Wettest day

40.8 mm

6 Apr 2025

Windiest day

30.1 km/h

29 Dec 2025

Strongest gust

78.5 km/h

16 Mar 2025

Hottest feels-like

41.2 °C

24 Jun 2025

Coldest feels-like

-17.9 °C

22 Jan 2025

Snowiest day

7.2 cm

10 Jan 2025

Sunniest day

14.2 h

28 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 Morristown?

Morristown has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 1,097 mm of precipitation per year.

What is the hottest day ever recorded in Morristown?

The hottest day measured in Morristown between 1940 and 2025 was 1 July 2012, reaching 39.6 °C.

What is the coldest day in Morristown?

The coldest day measured in Morristown between 1940 and 2025 was 5 February 1996, at -28.1 °C.

Does it snow in Morristown?

Yes. Morristown gets on average 26.9 cm of snow per year and has around 66 frost days.

Has the climate of Morristown warmed?

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

What is the wettest day in Morristown?

The wettest day measured in Morristown between 1940 and 2025 was 1 October 1989, with 99 mm of rain in 24 hours.

What was the windiest day in Morristown?

The windiest day measured in Morristown between 1940 and 2025 was 25 February 1961, with winds reaching 38.7 km/h.

What is the warmest month in Morristown?

The warmest month in Morristown is July (24.4 °C on average); the coldest is January (2.7 °C).

How much does it rain in Morristown?

Morristown receives on average 1,097 mm of precipitation per year, spread over about 137 rainy days.

Is it sunny in Morristown?

Morristown gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Morristown?

The heaviest 24-hour snowfall measured in Morristown between 1940 and 2025 was 13 March 1993, with 38.2 cm.

Are there tropical nights in Morristown?

Yes: Morristown has on average 44 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Morristown?

In Morristown, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 21 August 1983, and the lowest was -33.1 °C on 21 January 1985.

Compare Morristown with another city

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