Frankfort climate — normals and trends

Q: What is the climate of Frankfort?

Frankfort has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 1,135 mm of precipitation per year.

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

The hottest day measured in Frankfort between 1940 and 2025 was 14 July 1954, reaching 40.1 °C.

Q: What is the coldest day in Frankfort?

The coldest day measured in Frankfort between 1940 and 2025 was 21 January 1984, at -29.5 °C.

Q: Does it snow in Frankfort?

Yes. Frankfort gets on average 38.2 cm of snow per year and has around 81 frost days.

Q: Has the climate of Frankfort warmed?

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

Q: What is the wettest day in Frankfort?

The wettest day measured in Frankfort between 1940 and 2025 was 23 September 2006, with 85 mm of rain in 24 hours.

Q: What was the windiest day in Frankfort?

The windiest day measured in Frankfort between 1940 and 2025 was 14 September 2008, with winds reaching 47.1 km/h.

Q: What is the warmest month in Frankfort?

The warmest month in Frankfort is July (24.6 °C on average); the coldest is January (0.4 °C).

Q: How much does it rain in Frankfort?

Frankfort receives on average 1,135 mm of precipitation per year, spread over about 129 rainy days.

Q: Is it sunny in Frankfort?

Frankfort gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

Frankfort (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 1,135 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 (0.4 °C). Rainfall peaks in March.

Frankfort averages 81 frost days, 48 hot days (≥ 30 °C) and 129 rainy days per year.

Frankfort 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 92 to 70 per year over the period.

The hottest day of the period reached 40.1 °C (on 14 July 1954) and the coldest -29.5 °C (on 21 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

FrankfortKentucky

coords: 38.20°, -84.87°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthOctober

Mean daily temperature

13.0°C

Average daily high

18.2°C

Average daily low

8.5°C

Annual rainfall

1,135mm

Sunshine / day

8.7h

Mean relative humidity

70%

Average peak wind

14.9km/h

Seasonal range

24.2°C

Frost days (< 0 °C)

81 d/yr

Hot days (≥ 30 °C)

48 d/yr

Rainy days (≥ 1 mm)

129 d/yr

Annual snowfall

38.2 cm

Average feels-like high

17.3 °C

Average feels-like low

6.5 °C

Average peak gust

35.7 km/h

Tropical nights (≥ 20 °C)

48 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.34 · 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

40.1 °C

14 July 1954

Coldest day

-29.5 °C

21 January 1984

Wettest day

85 mm

23 September 2006

Windiest day

47.1 km/h

14 September 2008

Strongest gust

109.8 km/h

14 January 1940

Hottest feels-like

43.3 °C

29 June 2012

Coldest feels-like

-34.9 °C

21 January 1984

Snowiest day

32.1 cm

22 March 1968

Sunniest day

14.6 h

11 June 2008

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.1 °C11 August 2025	-18.1 °C15 January 2025	13.8 °C	1,489 mm	57	78
2024	35.3 °C29 August 2024	-16.2 °C20 January 2024	14.6 °C	1,247 mm	58	54
2023	34.3 °C4 September 2023	-8.2 °C4 February 2023	14.7 °C	1,033 mm	38	46
2022	35.9 °C22 June 2022	-22.1 °C23 December 2022	13.8 °C	1,282 mm	51	82
2021	34.2 °C24 August 2021	-13.3 °C17 February 2021	14.0 °C	1,357 mm	38	76
2020	33.5 °C26 July 2020	-10.1 °C25 December 2020	14.0 °C	1,365 mm	46	54
2019	35.7 °C10 September 2019	-20.0 °C21 January 2019	14.3 °C	1,547 mm	78	68
2018	34.5 °C4 July 2018	-17.2 °C6 January 2018	13.8 °C	1,535 mm	61	73
2017	34.7 °C22 July 2017	-14.1 °C7 January 2017	14.5 °C	1,263 mm	41	61
2016	33.8 °C16 June 2016	-15.0 °C24 January 2016	14.4 °C	1,118 mm	61	70
2015	33.5 °C11 June 2015	-25.4 °C20 February 2015	13.8 °C	1,341 mm	46	75
2014	34.0 °C19 June 2014	-23.0 °C22 January 2014	12.4 °C	1,188 mm	35	87
2013	34.4 °C28 August 2013	-13.2 °C1 February 2013	13.1 °C	1,117 mm	41	91
2012	40.1 °C29 June 2012	-9.0 °C12 February 2012	14.9 °C	907 mm	66	65
2011	38.1 °C3 September 2011	-19.8 °C22 January 2011	14.0 °C	1,428 mm	67	65
2010	36.4 °C4 August 2010	-14.9 °C15 December 2010	13.6 °C	844 mm	85	86
2009	33.4 °C25 June 2009	-19.6 °C5 February 2009	12.9 °C	1,207 mm	20	73
2008	36.6 °C21 July 2008	-15.6 °C22 December 2008	13.2 °C	1,146 mm	53	86
2007	37.6 °C16 August 2007	-15.6 °C5 February 2007	14.4 °C	952 mm	79	80
2006	34.3 °C1 August 2006	-13.4 °C19 February 2006	13.8 °C	1,175 mm	46	65
2005	35.7 °C13 August 2005	-13.8 °C18 January 2005	13.7 °C	956 mm	55	77
2004	32.5 °C19 August 2004	-22.0 °C31 January 2004	13.4 °C	1,321 mm	27	76
2003	33.5 °C27 August 2003	-18.3 °C24 January 2003	12.7 °C	1,285 mm	27	84
2002	36.1 °C4 August 2002	-13.1 °C4 March 2002	13.7 °C	1,296 mm	65	81
2001	34.0 °C8 July 2001	-17.2 °C21 January 2001	13.7 °C	1,009 mm	41	65
2000	35.2 °C9 August 2000	-17.0 °C27 January 2000	13.0 °C	1,078 mm	31	82
1999	39.0 °C30 July 1999	-19.2 °C5 January 1999	13.9 °C	986 mm	60	75
1998	35.3 °C6 September 1998	-11.9 °C1 January 1998	14.4 °C	1,166 mm	51	53
1997	34.7 °C27 July 1997	-17.8 °C11 January 1997	12.3 °C	1,249 mm	28	74
1996	34.8 °C30 June 1996	-20.7 °C4 February 1996	12.2 °C	1,462 mm	31	95
1995	35.5 °C13 July 1995	-17.2 °C12 February 1995	13.0 °C	1,128 mm	51	87
1994	35.4 °C20 June 1994	-29.0 °C19 January 1994	13.2 °C	1,190 mm	48	70
1993	36.3 °C28 July 1993	-17.1 °C18 February 1993	12.7 °C	1,166 mm	55	87
1992	34.6 °C13 July 1992	-17.3 °C16 January 1992	12.7 °C	962 mm	20	73
1991	37.1 °C2 August 1991	-15.0 °C16 February 1991	14.1 °C	1,001 mm	72	77
1990	36.0 °C10 July 1990	-11.3 °C24 December 1990	14.1 °C	1,422 mm	45	60
1989	35.1 °C4 August 1989	-29.4 °C22 December 1989	12.5 °C	1,247 mm	47	86
1988	39.2 °C9 July 1988	-20.2 °C13 February 1988	12.8 °C	989 mm	59	91
1987	36.5 °C22 August 1987	-12.9 °C27 January 1987	13.7 °C	827 mm	71	75
1986	36.8 °C25 July 1986	-18.2 °C13 February 1986	13.7 °C	998 mm	60	71
1985	34.5 °C8 September 1985	-26.4 °C20 January 1985	12.9 °C	1,117 mm	34	84
1984	33.8 °C12 June 1984	-29.5 °C21 January 1984	12.9 °C	1,325 mm	47	75
1983	38.4 °C20 August 1983	-22.3 °C25 December 1983	12.9 °C	1,170 mm	72	79
1982	33.1 °C4 August 1982	-23.5 °C17 January 1982	12.9 °C	1,111 mm	22	83
1981	33.0 °C9 July 1981	-20.5 °C20 December 1981	12.4 °C	1,093 mm	32	89
1980	38.1 °C16 July 1980	-21.0 °C3 March 1980	12.6 °C	901 mm	67	91
1979	33.5 °C20 June 1979	-21.6 °C15 January 1979	12.0 °C	1,519 mm	17	89
1978	36.8 °C27 June 1978	-20.7 °C7 February 1978	11.9 °C	1,270 mm	45	86
1977	35.2 °C19 July 1977	-27.4 °C17 January 1977	12.8 °C	1,204 mm	52	84
1976	34.8 °C24 July 1976	-18.9 °C9 January 1976	12.1 °C	908 mm	37	101
1975	34.1 °C5 September 1975	-11.4 °C18 December 1975	13.3 °C	1,254 mm	59	73
1974	32.8 °C18 July 1974	-11.7 °C12 January 1974	13.0 °C	1,224 mm	33	65
1973	34.4 °C2 September 1973	-14.9 °C22 December 1973	13.5 °C	1,296 mm	45	72
1972	34.7 °C23 July 1972	-22.5 °C16 January 1972	12.4 °C	1,132 mm	32	89
1971	35.9 °C27 June 1971	-20.1 °C14 February 1971	13.2 °C	889 mm	46	73
1970	35.4 °C2 July 1970	-22.4 °C21 January 1970	12.8 °C	1,062 mm	49	87
1969	35.5 °C5 July 1969	-15.4 °C5 January 1969	12.2 °C	951 mm	46	103
1968	34.9 °C1 July 1968	-23.1 °C8 January 1968	12.3 °C	951 mm	46	91
1967	33.0 °C16 June 1967	-18.4 °C25 February 1967	12.3 °C	1,211 mm	18	85
1966	35.9 °C13 July 1966	-24.0 °C30 January 1966	12.1 °C	1,079 mm	53	87
1965	36.7 °C24 July 1965	-21.3 °C17 January 1965	13.0 °C	953 mm	50	91
1964	37.5 °C3 August 1964	-19.7 °C14 January 1964	13.1 °C	1,011 mm	64	87
1963	34.4 °C3 August 1963	-25.3 °C24 January 1963	12.1 °C	870 mm	36	91
1962	37.4 °C20 August 1962	-20.7 °C10 January 1962	12.6 °C	999 mm	59	89
1961	33.6 °C1 July 1961	-21.2 °C28 January 1961	12.4 °C	1,217 mm	43	79
1960	35.9 °C5 September 1960	-19.2 °C6 March 1960	12.2 °C	982 mm	54	106
1959	35.4 °C30 June 1959	-20.0 °C5 January 1959	13.4 °C	1,031 mm	71	86
1958	33.8 °C4 July 1958	-20.8 °C17 February 1958	11.6 °C	1,060 mm	34	96
1957	35.7 °C30 August 1957	-15.0 °C17 January 1957	13.5 °C	1,270 mm	51	81
1956	34.8 °C5 August 1956	-12.0 °C24 January 1956	13.1 °C	1,272 mm	32	73
1955	35.1 °C19 August 1955	-17.9 °C12 February 1955	13.3 °C	1,044 mm	66	93
1954	40.1 °C14 July 1954	-15.4 °C13 January 1954	13.7 °C	818 mm	78	78
1953	38.8 °C2 September 1953	-19.5 °C17 December 1953	14.1 °C	782 mm	77	73
1952	38.7 °C27 July 1952	-13.7 °C30 January 1952	13.6 °C	898 mm	81	78
1951	35.4 °C2 June 1951	-25.2 °C2 February 1951	12.6 °C	1,326 mm	57	86
1950	32.9 °C26 June 1950	-17.2 °C25 November 1950	12.2 °C	1,650 mm	13	99
1949	34.1 °C28 July 1949	-12.3 °C30 January 1949	13.7 °C	1,149 mm	55	64
1948	37.0 °C27 August 1948	-22.7 °C25 January 1948	12.9 °C	1,296 mm	48	78
1947	35.5 °C6 August 1947	-15.8 °C5 February 1947	12.0 °C	925 mm	42	106
1946	33.7 °C19 July 1946	-13.1 °C27 January 1946	13.4 °C	1,093 mm	18	67
1945	34.6 °C24 July 1945	-22.4 °C1 February 1945	12.5 °C	1,161 mm	44	86
1944	36.8 °C28 June 1944	-12.2 °C13 February 1944	12.9 °C	909 mm	59	94
1943	36.3 °C25 August 1943	-21.4 °C8 March 1943	12.0 °C	809 mm	49	101
1942	35.5 °C2 August 1942	-24.8 °C8 January 1942	12.1 °C	1,123 mm	27	99
1941	33.6 °C11 August 1941	-15.0 °C18 March 1941	12.4 °C	981 mm	37	104
1940	36.8 °C29 July 1940	-23.2 °C26 January 1940	11.3 °C	987 mm	41	103

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

19.1 °C

+0.9 °C

Hot days (≥ 30 °C)

57 d/yr

Frost days (< 0 °C)

78 d/yr

-3

Annual rainfall

1489 mm

+354 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	2.2 °C	-2.5 °C	105 mm	+15 mm
Feb	9.1 °C	+1.9 °C	146 mm	+52 mm
Mar	17.0 °C	+4.5 °C	169 mm	+55 mm
Apr	20.4 °C	+1.9 °C	238 mm	+125 mm
May	21.9 °C	-1.5 °C	211 mm	+100 mm
Jun	28.9 °C	+0.8 °C	130 mm	+34 mm
Jul	31.2 °C	+1.3 °C	100 mm	+1 mm
Aug	29.3 °C	-0.2 °C	32 mm	-46 mm
Sep	28.0 °C	+2.0 °C	90 mm	+11 mm
Oct	20.2 °C	+0.5 °C	119 mm	+46 mm
Nov	13.0 °C	+0.7 °C	83 mm	-8 mm
Dec	7.3 °C	+0.5 °C	67 mm	-30 mm

The year's extremes

Hottest day

34.1 °C

11 Aug 2025

Coldest day

-18.1 °C

15 Jan 2025

Wettest day

59.6 mm

3 Apr 2025

Windiest day

38.3 km/h

2 Apr 2025

Strongest gust

83.2 km/h

16 Mar 2025

Hottest feels-like

40.5 °C

23 Jun 2025

Coldest feels-like

-22.1 °C

15 Jan 2025

Snowiest day

12.2 cm

11 Feb 2025

Sunniest day

14.5 h

11 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 Frankfort?

Frankfort has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 1,135 mm of precipitation per year.

What is the hottest day ever recorded in Frankfort?

The hottest day measured in Frankfort between 1940 and 2025 was 14 July 1954, reaching 40.1 °C.

What is the coldest day in Frankfort?

The coldest day measured in Frankfort between 1940 and 2025 was 21 January 1984, at -29.5 °C.

Does it snow in Frankfort?

Yes. Frankfort gets on average 38.2 cm of snow per year and has around 81 frost days.

Has the climate of Frankfort warmed?

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

What is the wettest day in Frankfort?

The wettest day measured in Frankfort between 1940 and 2025 was 23 September 2006, with 85 mm of rain in 24 hours.

What was the windiest day in Frankfort?

The windiest day measured in Frankfort between 1940 and 2025 was 14 September 2008, with winds reaching 47.1 km/h.

What is the warmest month in Frankfort?

The warmest month in Frankfort is July (24.6 °C on average); the coldest is January (0.4 °C).

How much does it rain in Frankfort?

Frankfort receives on average 1,135 mm of precipitation per year, spread over about 129 rainy days.

Is it sunny in Frankfort?

Frankfort gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.

What is the biggest single-day snowfall in Frankfort?

The heaviest 24-hour snowfall measured in Frankfort between 1940 and 2025 was 22 March 1968, with 32.1 cm.

Are there tropical nights in Frankfort?

Yes: Frankfort has on average 48 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Frankfort?

In Frankfort, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 29 June 2012, and the lowest was -34.9 °C on 21 January 1984.

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