Franklin climate — normals and trends

Q: What is the climate of Franklin?

Franklin has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 1,040 mm of precipitation per year.

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

The hottest day measured in Franklin between 1940 and 2025 was 25 June 1988, reaching 39.6 °C.

Q: What is the coldest day in Franklin?

The coldest day measured in Franklin between 1940 and 2025 was 19 January 1994, at -31.6 °C.

Q: Does it snow in Franklin?

Yes. Franklin gets on average 47.9 cm of snow per year and has around 100 frost days.

Q: Has the climate of Franklin warmed?

Yes: Franklin warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Franklin?

The wettest day measured in Franklin between 1940 and 2025 was 9 March 1964, with 96 mm of rain in 24 hours.

Q: What was the windiest day in Franklin?

The windiest day measured in Franklin between 1940 and 2025 was 2 April 2016, with winds reaching 50.4 km/h.

Q: What is the warmest month in Franklin?

The warmest month in Franklin is July (24.0 °C on average); the coldest is January (-2.0 °C).

Q: How much does it rain in Franklin?

Franklin receives on average 1,040 mm of precipitation per year, spread over about 122 rainy days.

Q: Is it sunny in Franklin?

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

Franklin (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 1,040 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 (24.0 °C on average) and the coldest is January (-2.0 °C). Rainfall peaks in May.

Franklin averages 100 frost days, 35 hot days (≥ 30 °C) and 122 rainy days per year.

Franklin has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The number of frost days there went from about 111 to 89 per year over the period.

The hottest day of the period reached 39.6 °C (on 25 June 1988) and the coldest -31.6 °C (on 19 January 1994).

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

FranklinIndiana

coords: 39.48°, -86.05°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthSeptember

Mean daily temperature

11.7°C

Average daily high

16.7°C

Average daily low

7.0°C

Annual rainfall

1,040mm

Sunshine / day

8.7h

Mean relative humidity

71%

Average peak wind

18.0km/h

Seasonal range

26.0°C

Frost days (< 0 °C)

100 d/yr

Hot days (≥ 30 °C)

35 d/yr

Rainy days (≥ 1 mm)

122 d/yr

Annual snowfall

47.9 cm

Average feels-like high

15.2 °C

Average feels-like low

4.6 °C

Average peak gust

36.5 km/h

Tropical nights (≥ 20 °C)

38 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °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

39.6 °C

25 June 1988

Coldest day

-31.6 °C

19 January 1994

Wettest day

96 mm

9 March 1964

Windiest day

50.4 km/h

2 April 2016

Strongest gust

108.0 km/h

10 November 1998

Hottest feels-like

43.2 °C

14 July 1995

Coldest feels-like

-37.7 °C

20 January 1985

Snowiest day

25.4 cm

25 February 1979

Sunniest day

14.6 h

11 June 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.9 °C23 June 2025	-23.8 °C15 December 2025	12.5 °C	1,112 mm	46	96
2024	34.8 °C30 August 2024	-18.6 °C15 January 2024	13.6 °C	1,127 mm	44	69
2023	33.8 °C25 August 2023	-11.1 °C1 February 2023	13.4 °C	1,006 mm	30	68
2022	35.6 °C5 July 2022	-22.8 °C23 December 2022	12.4 °C	1,073 mm	38	97
2021	33.4 °C24 August 2021	-16.5 °C17 February 2021	12.9 °C	1,154 mm	38	88
2020	33.6 °C25 August 2020	-14.4 °C14 February 2020	13.0 °C	1,093 mm	42	78
2019	33.8 °C30 September 2019	-21.9 °C30 January 2019	12.5 °C	1,300 mm	47	104
2018	33.4 °C28 May 2018	-26.5 °C2 January 2018	12.5 °C	1,421 mm	54	102
2017	33.0 °C21 September 2017	-18.3 °C27 December 2017	13.2 °C	1,091 mm	30	77
2016	33.5 °C23 June 2016	-20.3 °C13 January 2016	13.2 °C	1,075 mm	48	83
2015	32.4 °C6 September 2015	-25.4 °C20 February 2015	12.4 °C	1,121 mm	27	87
2014	33.2 °C17 June 2014	-24.8 °C7 January 2014	10.7 °C	1,034 mm	26	108
2013	35.7 °C10 September 2013	-19.5 °C12 December 2013	11.6 °C	1,063 mm	34	111
2012	38.7 °C28 June 2012	-11.1 °C20 January 2012	13.9 °C	788 mm	60	82
2011	37.0 °C21 July 2011	-20.8 °C22 January 2011	12.7 °C	1,517 mm	48	84
2010	36.4 °C4 August 2010	-17.7 °C15 December 2010	12.6 °C	843 mm	69	95
2009	32.7 °C25 June 2009	-22.5 °C5 February 2009	11.7 °C	1,023 mm	11	91
2008	33.1 °C23 August 2008	-17.3 °C20 January 2008	11.6 °C	1,220 mm	22	108
2007	36.6 °C8 August 2007	-21.4 °C16 February 2007	13.1 °C	847 mm	73	100
2006	32.9 °C2 August 2006	-16.2 °C19 February 2006	12.5 °C	1,363 mm	23	80
2005	34.2 °C25 July 2005	-17.0 °C23 January 2005	12.3 °C	1,048 mm	39	95
2004	33.4 °C22 July 2004	-27.7 °C31 January 2004	12.2 °C	964 mm	19	88
2003	32.3 °C21 August 2003	-19.8 °C24 January 2003	11.2 °C	1,172 mm	13	102
2002	35.2 °C4 August 2002	-15.2 °C4 March 2002	12.5 °C	965 mm	56	102
2001	32.7 °C7 August 2001	-18.6 °C3 January 2001	12.6 °C	980 mm	31	85
2000	32.1 °C15 August 2000	-23.7 °C28 January 2000	11.4 °C	1,126 mm	15	108
1999	37.5 °C30 July 1999	-26.0 °C5 January 1999	12.6 °C	921 mm	48	92
1998	34.7 °C6 September 1998	-13.1 °C12 March 1998	13.3 °C	1,103 mm	32	77
1997	35.1 °C27 July 1997	-22.9 °C13 January 1997	11.0 °C	1,046 mm	24	98
1996	32.9 °C7 August 1996	-21.5 °C4 February 1996	10.8 °C	1,550 mm	31	117
1995	34.8 °C14 July 1995	-19.4 °C6 February 1995	11.7 °C	1,096 mm	45	104
1994	36.2 °C20 June 1994	-31.6 °C19 January 1994	12.2 °C	847 mm	50	91
1993	33.8 °C28 July 1993	-21.9 °C18 February 1993	11.2 °C	1,337 mm	31	100
1992	32.8 °C17 June 1992	-22.3 °C16 January 1992	11.4 °C	941 mm	8	92
1991	36.8 °C2 August 1991	-15.5 °C16 February 1991	13.0 °C	918 mm	61	94
1990	34.1 °C6 September 1990	-17.2 °C25 December 1990	12.7 °C	1,365 mm	29	81
1989	34.7 °C7 July 1989	-28.9 °C22 December 1989	11.2 °C	1,039 mm	31	102
1988	39.6 °C25 June 1988	-19.3 °C29 December 1988	11.9 °C	948 mm	63	106
1987	35.8 °C2 August 1987	-16.2 °C24 January 1987	12.6 °C	828 mm	51	91
1986	34.7 °C25 July 1986	-16.7 °C27 January 1986	12.3 °C	1,166 mm	33	86
1985	33.7 °C14 July 1985	-29.9 °C20 January 1985	11.5 °C	1,112 mm	26	94
1984	36.1 °C10 July 1984	-23.8 °C21 January 1984	11.7 °C	1,078 mm	42	97
1983	38.5 °C22 July 1983	-25.6 °C30 December 1983	12.1 °C	1,133 mm	72	94
1982	32.7 °C6 July 1982	-29.7 °C17 January 1982	11.4 °C	1,279 mm	17	106
1981	33.5 °C13 July 1981	-25.6 °C20 December 1981	11.3 °C	1,075 mm	19	106
1980	37.8 °C15 July 1980	-20.9 °C2 March 1980	11.1 °C	1,134 mm	48	112
1979	32.3 °C8 August 1979	-25.0 °C15 January 1979	10.4 °C	1,251 mm	9	109
1978	36.2 °C27 June 1978	-21.1 °C5 March 1978	10.5 °C	984 mm	45	104
1977	35.0 °C19 July 1977	-28.5 °C17 January 1977	11.5 °C	1,079 mm	42	100
1976	34.6 °C14 July 1976	-19.8 °C8 January 1976	11.0 °C	737 mm	27	120
1975	32.6 °C20 June 1975	-17.8 °C10 February 1975	12.1 °C	1,020 mm	44	99
1974	33.7 °C14 July 1974	-18.1 °C13 January 1974	11.5 °C	1,180 mm	14	92
1973	33.4 °C26 August 1973	-20.4 °C22 December 1973	12.5 °C	1,198 mm	39	85
1972	32.8 °C21 July 1972	-25.5 °C16 January 1972	10.7 °C	1,063 mm	18	105
1971	36.1 °C27 June 1971	-20.3 °C2 February 1971	11.8 °C	778 mm	25	100
1970	34.9 °C2 July 1970	-23.6 °C22 January 1970	11.4 °C	913 mm	29	101
1969	35.3 °C5 July 1969	-17.7 °C4 January 1969	11.0 °C	936 mm	26	118
1968	32.8 °C21 August 1968	-23.8 °C7 January 1968	11.1 °C	951 mm	31	104
1967	32.8 °C2 August 1967	-20.4 °C25 February 1967	11.0 °C	1,039 mm	17	99
1966	35.8 °C10 July 1966	-25.1 °C30 January 1966	10.9 °C	813 mm	41	107
1965	35.2 °C24 July 1965	-23.7 °C17 January 1965	11.7 °C	820 mm	24	107
1964	36.9 °C3 August 1964	-17.9 °C14 January 1964	11.8 °C	935 mm	49	108
1963	33.5 °C3 August 1963	-27.9 °C28 January 1963	10.3 °C	772 mm	19	108
1962	36.9 °C20 August 1962	-22.5 °C10 January 1962	11.1 °C	772 mm	40	112
1961	32.3 °C30 June 1961	-20.3 °C28 January 1961	11.1 °C	1,065 mm	28	103
1960	34.2 °C8 September 1960	-26.3 °C23 December 1960	10.6 °C	847 mm	26	119
1959	34.0 °C27 June 1959	-21.4 °C5 January 1959	12.0 °C	1,026 mm	50	110
1958	32.0 °C30 August 1958	-23.3 °C15 December 1958	10.5 °C	930 mm	13	108
1957	32.8 °C30 August 1957	-22.2 °C16 January 1957	11.8 °C	1,235 mm	31	96
1956	34.3 °C5 August 1956	-19.2 °C26 January 1956	11.8 °C	947 mm	23	102
1955	34.5 °C9 September 1955	-21.4 °C29 January 1955	12.0 °C	945 mm	49	113
1954	39.2 °C14 July 1954	-15.8 °C12 January 1954	12.6 °C	768 mm	63	97
1953	36.8 °C1 September 1953	-20.5 °C18 December 1953	12.6 °C	725 mm	61	98
1952	36.1 °C29 June 1952	-15.3 °C29 January 1952	12.1 °C	954 mm	50	100
1951	34.5 °C31 August 1951	-28.9 °C2 February 1951	11.0 °C	1,172 mm	26	103
1950	32.6 °C26 June 1950	-19.1 °C18 December 1950	10.8 °C	1,338 mm	11	116
1949	33.4 °C4 July 1949	-16.5 °C30 January 1949	12.2 °C	1,178 mm	31	94
1948	35.1 °C26 August 1948	-19.2 °C28 January 1948	11.4 °C	1,312 mm	25	98
1947	35.5 °C6 August 1947	-17.8 °C5 February 1947	10.6 °C	925 mm	33	121
1946	33.6 °C19 July 1946	-20.1 °C22 January 1946	12.2 °C	1,009 mm	14	85
1945	33.3 °C30 August 1945	-21.6 °C1 February 1945	11.0 °C	1,193 mm	24	100
1944	35.1 °C11 July 1944	-18.6 °C12 February 1944	11.5 °C	804 mm	38	109
1943	35.9 °C1 September 1943	-20.6 °C8 March 1943	10.5 °C	726 mm	31	126
1942	34.8 °C2 August 1942	-20.2 °C8 January 1942	10.8 °C	884 mm	15	116
1941	34.3 °C11 August 1941	-17.3 °C19 February 1941	11.0 °C	856 mm	24	115
1940	34.6 °C29 July 1940	-25.4 °C19 January 1940	9.7 °C	966 mm	30	122

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

17.5 °C

+0.8 °C

Hot days (≥ 30 °C)

46 d/yr

+11

Frost days (< 0 °C)

96 d/yr

-4

Annual rainfall

1112 mm

+72 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	-0.4 °C	-2.6 °C	48 mm	-29 mm
Feb	4.8 °C	+0.2 °C	90 mm	+19 mm
Mar	15.3 °C	+4.8 °C	127 mm	+22 mm
Apr	18.4 °C	+1.3 °C	175 mm	+65 mm
May	21.5 °C	-1.0 °C	101 mm	-10 mm
Jun	28.5 °C	+1.3 °C	128 mm	+30 mm
Jul	30.3 °C	+1.4 °C	157 mm	+70 mm
Aug	27.5 °C	-0.8 °C	35 mm	-38 mm
Sep	27.2 °C	+2.2 °C	65 mm	-6 mm
Oct	20.2 °C	+1.6 °C	70 mm	-2 mm
Nov	11.3 °C	+0.5 °C	63 mm	-24 mm
Dec	4.8 °C	+0.2 °C	56 mm	-24 mm

The year's extremes

Hottest day

33.9 °C

23 Jun 2025

Coldest day

-23.8 °C

15 Dec 2025

Wettest day

55.1 mm

5 Apr 2025

Windiest day

38.1 km/h

2 Apr 2025

Strongest gust

85.7 km/h

2 Apr 2025

Hottest feels-like

39.1 °C

29 Jul 2025

Coldest feels-like

-28.8 °C

15 Dec 2025

Snowiest day

7.4 cm

5 Jan 2025

Sunniest day

14.4 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 Franklin?

Franklin has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 1,040 mm of precipitation per year.

What is the hottest day ever recorded in Franklin?

The hottest day measured in Franklin between 1940 and 2025 was 25 June 1988, reaching 39.6 °C.

What is the coldest day in Franklin?

The coldest day measured in Franklin between 1940 and 2025 was 19 January 1994, at -31.6 °C.

Does it snow in Franklin?

Yes. Franklin gets on average 47.9 cm of snow per year and has around 100 frost days.

Has the climate of Franklin warmed?

Yes: Franklin warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Franklin?

The wettest day measured in Franklin between 1940 and 2025 was 9 March 1964, with 96 mm of rain in 24 hours.

What was the windiest day in Franklin?

The windiest day measured in Franklin between 1940 and 2025 was 2 April 2016, with winds reaching 50.4 km/h.

What is the warmest month in Franklin?

The warmest month in Franklin is July (24.0 °C on average); the coldest is January (-2.0 °C).

How much does it rain in Franklin?

Franklin receives on average 1,040 mm of precipitation per year, spread over about 122 rainy days.

Is it sunny in Franklin?

Franklin 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 Franklin?

The heaviest 24-hour snowfall measured in Franklin between 1940 and 2025 was 25 February 1979, with 25.4 cm.

Are there tropical nights in Franklin?

Yes: Franklin has on average 38 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Franklin?

In Franklin, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 14 July 1995, and the lowest was -37.7 °C on 20 January 1985.

Compare Franklin with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Franklin

Other cities — United States

All cities in United States →