Troy climate — normals and trends

Q: What is the climate of Troy?

Troy has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,121 mm of precipitation per year.

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

The hottest day measured in Troy between 1940 and 2025 was 24 July 1952, reaching 40.2 °C.

Q: What is the coldest day in Troy?

The coldest day measured in Troy between 1940 and 2025 was 21 January 1985, at -17.0 °C.

Q: Does it snow in Troy?

Yes. Troy gets on average 1.4 cm of snow per year and has around 25 frost days.

Q: Has the climate of Troy warmed?

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

Q: What is the wettest day in Troy?

The wettest day measured in Troy between 1940 and 2025 was 26 September 1953, with 168 mm of rain in 24 hours.

Q: What was the windiest day in Troy?

The windiest day measured in Troy between 1940 and 2025 was 4 October 1995, with winds reaching 65.2 km/h.

Q: What is the warmest month in Troy?

The warmest month in Troy is July (26.6 °C on average); the coldest is January (8.7 °C).

Q: How much does it rain in Troy?

Troy receives on average 1,121 mm of precipitation per year, spread over about 125 rainy days.

Q: Is it sunny in Troy?

Troy gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Troy (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 1,121 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 (26.6 °C on average) and the coldest is January (8.7 °C). Rainfall peaks in July.

Troy averages 25 frost days, 104 hot days (≥ 30 °C) and 125 rainy days per year.

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

The hottest day of the period reached 40.2 °C (on 24 July 1952) and the coldest -17.0 °C (on 21 January 1985).

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

TroyAlabama

coords: 31.81°, -85.97°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthOctober

Mean daily temperature

18.3°C

Average daily high

24.1°C

Average daily low

13.3°C

Annual rainfall

1,121mm

Sunshine / day

9.4h

Mean relative humidity

72%

Average peak wind

13.7km/h

Seasonal range

17.9°C

Frost days (< 0 °C)

25 d/yr

Hot days (≥ 30 °C)

104 d/yr

Rainy days (≥ 1 mm)

125 d/yr

Annual snowfall

1.4 cm

Average feels-like high

25.0 °C

Average feels-like low

12.9 °C

Average peak gust

32.7 km/h

Tropical nights (≥ 20 °C)

109 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.24 · 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

40.2 °C

24 July 1952

Coldest day

-17.0 °C

21 January 1985

Wettest day

168 mm

26 September 1953

Windiest day

65.2 km/h

4 October 1995

Strongest gust

162.7 km/h

4 October 1995

Hottest feels-like

44.4 °C

9 August 2007

Coldest feels-like

-23.4 °C

21 January 1985

Snowiest day

21.4 cm

9 February 1973

Sunniest day

13.8 h

5 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.5 °C15 July 2025	-7.1 °C22 January 2025	19.2 °C	1,090 mm	132	31
2024	38.1 °C25 June 2024	-8.0 °C17 January 2024	19.6 °C	1,313 mm	114	22
2023	37.2 °C26 August 2023	-3.5 °C31 December 2023	19.8 °C	1,243 mm	119	11
2022	37.0 °C22 June 2022	-9.1 °C24 December 2022	19.1 °C	1,187 mm	120	22
2021	36.8 °C29 July 2021	-4.2 °C17 February 2021	19.1 °C	1,230 mm	100	13
2020	35.7 °C29 June 2020	-5.5 °C26 December 2020	19.8 °C	1,281 mm	119	16
2019	37.7 °C14 August 2019	-4.6 °C30 January 2019	20.0 °C	1,058 mm	144	15
2018	34.8 °C20 June 2018	-8.7 °C18 January 2018	19.0 °C	1,650 mm	119	25
2017	34.6 °C20 August 2017	-5.6 °C8 January 2017	19.6 °C	1,306 mm	99	10
2016	37.7 °C8 July 2016	-4.1 °C19 January 2016	19.9 °C	896 mm	146	16
2015	37.2 °C21 July 2015	-8.2 °C8 January 2015	19.7 °C	1,163 mm	122	21
2014	35.5 °C23 August 2014	-10.4 °C7 January 2014	17.8 °C	1,056 mm	117	32
2013	36.0 °C13 June 2013	-4.5 °C17 February 2013	18.4 °C	1,397 mm	97	14
2012	38.4 °C30 June 2012	-5.5 °C4 January 2012	19.4 °C	977 mm	105	14
2011	37.9 °C22 August 2011	-6.5 °C14 January 2011	19.0 °C	901 mm	127	23
2010	37.7 °C1 August 2010	-9.0 °C11 January 2010	18.0 °C	887 mm	130	55
2009	38.0 °C1 July 2009	-6.9 °C5 February 2009	18.4 °C	1,514 mm	107	28
2008	36.2 °C21 July 2008	-6.7 °C3 January 2008	18.2 °C	1,110 mm	101	26
2007	40.0 °C14 August 2007	-6.2 °C17 February 2007	19.4 °C	729 mm	134	21
2006	37.0 °C22 June 2006	-5.5 °C8 December 2006	19.2 °C	839 mm	137	16
2005	35.4 °C24 July 2005	-6.1 °C23 December 2005	18.4 °C	1,311 mm	100	19
2004	35.7 °C24 July 2004	-6.2 °C29 January 2004	18.5 °C	1,159 mm	93	26
2003	33.2 °C15 August 2003	-9.5 °C24 January 2003	17.9 °C	1,231 mm	78	30
2002	36.0 °C11 September 2002	-8.7 °C4 January 2002	18.2 °C	1,236 mm	107	34
2001	33.9 °C19 July 2001	-7.8 °C3 January 2001	17.9 °C	1,135 mm	78	25
2000	37.8 °C18 August 2000	-7.8 °C20 December 2000	18.2 °C	893 mm	111	34
1999	36.9 °C31 July 1999	-8.7 °C5 January 1999	18.4 °C	908 mm	90	25
1998	37.2 °C2 June 1998	-5.5 °C1 January 1998	19.1 °C	1,340 mm	118	16
1997	35.5 °C31 August 1997	-6.4 °C18 January 1997	17.8 °C	1,299 mm	83	21
1996	35.6 °C23 May 1996	-13.1 °C5 February 1996	17.5 °C	1,176 mm	91	34
1995	37.5 °C15 August 1995	-6.6 °C9 February 1995	18.4 °C	1,084 mm	111	30
1994	33.7 °C30 August 1994	-7.0 °C19 January 1994	18.3 °C	1,405 mm	80	22
1993	37.2 °C21 July 1993	-6.3 °C14 March 1993	18.1 °C	1,079 mm	113	17
1992	35.9 °C8 July 1992	-5.7 °C17 January 1992	17.8 °C	1,291 mm	82	12
1991	35.3 °C5 August 1991	-6.7 °C16 February 1991	18.6 °C	1,355 mm	90	20
1990	37.1 °C20 August 1990	-5.3 °C25 December 1990	19.3 °C	841 mm	125	11
1989	35.6 °C24 August 1989	-12.9 °C24 December 1989	18.0 °C	1,127 mm	93	27
1988	36.4 °C25 June 1988	-6.6 °C7 February 1988	17.8 °C	1,133 mm	100	35
1987	37.3 °C9 August 1987	-5.8 °C27 January 1987	18.4 °C	1,092 mm	118	22
1986	37.0 °C30 July 1986	-9.5 °C28 January 1986	18.9 °C	1,027 mm	118	16
1985	38.7 °C6 June 1985	-17.0 °C21 January 1985	18.3 °C	1,243 mm	84	42
1984	35.7 °C20 June 1984	-7.0 °C1 January 1984	18.4 °C	1,039 mm	109	25
1983	37.2 °C23 July 1983	-12.9 °C25 December 1983	17.4 °C	1,482 mm	85	24
1982	36.4 °C4 July 1982	-14.0 °C11 January 1982	18.8 °C	1,182 mm	104	20
1981	37.0 °C23 July 1981	-10.9 °C13 January 1981	18.0 °C	918 mm	110	35
1980	38.6 °C13 July 1980	-7.4 °C3 March 1980	18.3 °C	1,169 mm	113	33
1979	37.1 °C5 July 1979	-8.3 °C3 January 1979	17.5 °C	1,275 mm	76	39
1978	38.1 °C29 June 1978	-6.7 °C10 January 1978	17.9 °C	1,151 mm	116	44
1977	37.5 °C7 July 1977	-13.0 °C19 January 1977	18.0 °C	1,079 mm	110	42
1976	34.8 °C14 July 1976	-7.6 °C10 January 1976	16.9 °C	1,126 mm	75	35
1975	34.7 °C27 August 1975	-5.8 °C19 December 1975	18.0 °C	1,385 mm	81	24
1974	35.0 °C21 June 1974	-5.6 °C10 December 1974	18.6 °C	899 mm	94	22
1973	34.9 °C25 July 1973	-8.8 °C11 February 1973	18.4 °C	1,270 mm	125	27
1972	36.1 °C10 August 1972	-8.1 °C16 January 1972	18.6 °C	950 mm	106	21
1971	35.0 °C15 June 1971	-7.7 °C10 February 1971	18.1 °C	1,033 mm	88	24
1970	36.9 °C3 July 1970	-11.5 °C9 January 1970	17.9 °C	1,031 mm	123	38
1969	37.0 °C29 June 1969	-7.4 °C6 January 1969	17.4 °C	1,057 mm	97	39
1968	36.5 °C24 August 1968	-6.2 °C16 December 1968	17.3 °C	775 mm	107	51
1967	35.8 °C18 June 1967	-6.1 °C26 February 1967	17.8 °C	1,023 mm	94	28
1966	37.4 °C14 July 1966	-14.7 °C30 January 1966	17.3 °C	1,017 mm	82	30
1965	34.1 °C26 August 1965	-7.4 °C17 January 1965	18.0 °C	1,034 mm	105	34
1964	36.2 °C11 June 1964	-10.2 °C15 January 1964	17.7 °C	1,351 mm	89	30
1963	38.1 °C14 June 1963	-13.6 °C24 January 1963	17.6 °C	1,008 mm	104	50
1962	35.9 °C21 July 1962	-15.2 °C13 December 1962	18.3 °C	864 mm	128	22
1961	34.4 °C3 August 1961	-9.8 °C22 January 1961	17.4 °C	1,173 mm	77	26
1960	36.0 °C13 July 1960	-7.3 °C22 December 1960	17.4 °C	990 mm	111	34
1959	36.2 °C30 June 1959	-7.4 °C30 November 1959	18.0 °C	1,371 mm	104	24
1958	35.7 °C12 June 1958	-8.1 °C18 February 1958	17.3 °C	937 mm	101	36
1957	35.9 °C9 July 1957	-8.6 °C12 December 1957	18.6 °C	1,191 mm	96	18
1956	36.1 °C7 August 1956	-6.1 °C23 November 1956	18.1 °C	1,178 mm	102	27
1955	34.4 °C23 August 1955	-6.5 °C12 February 1955	18.3 °C	860 mm	105	29
1954	38.4 °C28 June 1954	-5.0 °C3 November 1954	18.7 °C	640 mm	123	20
1953	36.0 °C17 June 1953	-6.9 °C19 December 1953	18.4 °C	1,399 mm	92	11
1952	40.2 °C24 July 1952	-5.1 °C30 January 1952	18.3 °C	944 mm	102	14
1951	37.2 °C29 August 1951	-11.5 °C3 February 1951	18.5 °C	873 mm	111	27
1950	35.9 °C26 June 1950	-9.6 °C25 November 1950	18.2 °C	861 mm	87	24
1949	34.4 °C30 July 1949	-4.0 °C1 January 1949	19.0 °C	1,246 mm	90	13
1948	35.5 °C5 July 1948	-8.4 °C15 January 1948	18.5 °C	1,470 mm	102	17
1947	38.9 °C5 August 1947	-4.9 °C10 February 1947	18.1 °C	1,334 mm	86	18
1946	33.4 °C19 June 1946	-3.3 °C23 January 1946	18.5 °C	1,424 mm	51	6
1945	37.0 °C29 June 1945	-4.5 °C20 December 1945	18.6 °C	1,246 mm	90	15
1944	38.0 °C23 June 1944	-3.4 °C13 December 1944	18.7 °C	1,140 mm	94	12
1943	38.8 °C26 August 1943	-5.0 °C4 March 1943	18.5 °C	855 mm	116	20
1942	37.4 °C13 July 1942	-5.7 °C11 January 1942	18.2 °C	843 mm	107	18
1941	35.8 °C8 September 1941	-2.8 °C30 January 1941	18.2 °C	909 mm	103	15
1940	34.2 °C28 July 1940	-12.0 °C27 January 1940	17.4 °C	1,196 mm	85	28

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

25.3 °C

+1.2 °C

Hot days (≥ 30 °C)

132 d/yr

+28

Frost days (< 0 °C)

31 d/yr

Annual rainfall

1090 mm

-31 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.5 °C	-1.8 °C	87 mm	-14 mm
Feb	19.8 °C	+3.3 °C	50 mm	-53 mm
Mar	22.5 °C	+2.2 °C	106 mm	-10 mm
Apr	27.5 °C	+2.9 °C	64 mm	-20 mm
May	28.9 °C	+0.4 °C	210 mm	+129 mm
Jun	31.3 °C	-0.1 °C	162 mm	+72 mm
Jul	33.4 °C	+1.4 °C	68 mm	-52 mm
Aug	31.4 °C	-0.5 °C	144 mm	+46 mm
Sep	31.5 °C	+1.8 °C	15 mm	-72 mm
Oct	26.3 °C	+1.1 °C	48 mm	-11 mm
Nov	22.1 °C	+2.4 °C	17 mm	-66 mm
Dec	16.3 °C	+0.7 °C	120 mm	+20 mm

The year's extremes

Hottest day

36.5 °C

15 Jul 2025

Coldest day

-7.1 °C

22 Jan 2025

Wettest day

51.7 mm

11 May 2025

Windiest day

33.6 km/h

5 Mar 2025

Strongest gust

92.2 km/h

5 Mar 2025

Hottest feels-like

40.8 °C

24 Jun 2025

Coldest feels-like

-12.1 °C

22 Jan 2025

Snowiest day

5.3 cm

21 Jan 2025

Sunniest day

13.8 h

5 Jul 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 Troy?

Troy has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,121 mm of precipitation per year.

What is the hottest day ever recorded in Troy?

The hottest day measured in Troy between 1940 and 2025 was 24 July 1952, reaching 40.2 °C.

What is the coldest day in Troy?

The coldest day measured in Troy between 1940 and 2025 was 21 January 1985, at -17.0 °C.

Does it snow in Troy?

Yes. Troy gets on average 1.4 cm of snow per year and has around 25 frost days.

Has the climate of Troy warmed?

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

What is the wettest day in Troy?

The wettest day measured in Troy between 1940 and 2025 was 26 September 1953, with 168 mm of rain in 24 hours.

What was the windiest day in Troy?

The windiest day measured in Troy between 1940 and 2025 was 4 October 1995, with winds reaching 65.2 km/h.

What is the warmest month in Troy?

The warmest month in Troy is July (26.6 °C on average); the coldest is January (8.7 °C).

How much does it rain in Troy?

Troy receives on average 1,121 mm of precipitation per year, spread over about 125 rainy days.

Is it sunny in Troy?

Troy gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

What is the biggest single-day snowfall in Troy?

The heaviest 24-hour snowfall measured in Troy between 1940 and 2025 was 9 February 1973, with 21.4 cm.

Are there tropical nights in Troy?

Yes: Troy has on average 109 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Troy?

In Troy, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 9 August 2007, and the lowest was -23.4 °C on 21 January 1985.

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