Greenfield climate — normals and trends

Q: What is the climate of Greenfield?

Greenfield has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 1,047 mm of precipitation per year.

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

The hottest day measured in Greenfield between 1940 and 2025 was 25 June 1988, reaching 39.2 °C.

Q: What is the coldest day in Greenfield?

The coldest day measured in Greenfield between 1940 and 2025 was 19 January 1994, at -31.4 °C.

Q: Does it snow in Greenfield?

Yes. Greenfield gets on average 52.2 cm of snow per year and has around 103 frost days.

Q: Has the climate of Greenfield warmed?

Yes: Greenfield warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Greenfield?

The wettest day measured in Greenfield between 1940 and 2025 was 1 September 2003, with 113 mm of rain in 24 hours.

Q: What was the windiest day in Greenfield?

The windiest day measured in Greenfield between 1940 and 2025 was 26 January 1978, with winds reaching 56.2 km/h.

Q: What is the warmest month in Greenfield?

The warmest month in Greenfield is July (23.6 °C on average); the coldest is January (-2.5 °C).

Q: How much does it rain in Greenfield?

Greenfield receives on average 1,047 mm of precipitation per year, spread over about 124 rainy days.

Q: Is it sunny in Greenfield?

Greenfield gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Greenfield (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.3 °C and it receives 1,047 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 (23.6 °C on average) and the coldest is January (-2.5 °C). Rainfall peaks in May.

Greenfield averages 103 frost days, 30 hot days (≥ 30 °C) and 124 rainy days per year.

Greenfield has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The number of frost days there went from about 115 to 91 per year over the period.

The hottest day of the period reached 39.2 °C (on 25 June 1988) and the coldest -31.4 °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

GreenfieldIndiana

coords: 39.79°, -85.77°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthSeptember

Mean daily temperature

11.3°C

Average daily high

16.3°C

Average daily low

6.7°C

Annual rainfall

1,047mm

Sunshine / day

8.6h

Mean relative humidity

70%

Average peak wind

19.8km/h

Seasonal range

26.1°C

Frost days (< 0 °C)

103 d/yr

Hot days (≥ 30 °C)

30 d/yr

Rainy days (≥ 1 mm)

124 d/yr

Annual snowfall

52.2 cm

Average feels-like high

14.5 °C

Average feels-like low

4.0 °C

Average peak gust

38.1 km/h

Tropical nights (≥ 20 °C)

34 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °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

39.2 °C

25 June 1988

Coldest day

-31.4 °C

19 January 1994

Wettest day

113 mm

1 September 2003

Windiest day

56.2 km/h

26 January 1978

Strongest gust

110.5 km/h

10 November 1998

Hottest feels-like

43.1 °C

14 July 1995

Coldest feels-like

-38.3 °C

20 January 1985

Snowiest day

25.6 cm

25 February 1979

Sunniest day

14.7 h

14 June 2014

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.6 °C23 June 2025	-23.2 °C15 December 2025	12.2 °C	1,049 mm	46	100
2024	34.0 °C30 August 2024	-19.2 °C15 January 2024	13.2 °C	1,116 mm	35	72
2023	33.6 °C28 July 2023	-11.6 °C1 February 2023	13.2 °C	941 mm	31	69
2022	34.7 °C5 July 2022	-23.1 °C23 December 2022	12.1 °C	1,064 mm	35	99
2021	32.6 °C10 August 2021	-17.0 °C17 February 2021	12.7 °C	1,128 mm	32	91
2020	34.2 °C5 July 2020	-14.6 °C14 February 2020	12.8 °C	1,059 mm	41	82
2019	33.1 °C29 June 2019	-22.9 °C30 January 2019	12.2 °C	1,279 mm	40	104
2018	33.1 °C28 May 2018	-28.2 °C2 January 2018	12.1 °C	1,420 mm	42	112
2017	32.7 °C12 June 2017	-19.0 °C27 December 2017	12.8 °C	1,141 mm	24	79
2016	33.2 °C26 June 2016	-20.7 °C13 January 2016	12.9 °C	1,085 mm	52	87
2015	32.0 °C3 September 2015	-23.5 °C20 February 2015	12.0 °C	1,106 mm	15	88
2014	32.9 °C17 June 2014	-25.6 °C7 January 2014	10.3 °C	1,020 mm	16	111
2013	35.4 °C10 September 2013	-19.3 °C12 December 2013	11.3 °C	1,087 mm	27	118
2012	38.2 °C28 June 2012	-12.1 °C20 January 2012	13.5 °C	798 mm	58	86
2011	37.0 °C2 September 2011	-19.5 °C22 January 2011	12.4 °C	1,444 mm	45	88
2010	35.2 °C21 September 2010	-19.0 °C15 December 2010	12.1 °C	866 mm	60	101
2009	32.3 °C25 June 2009	-22.7 °C16 January 2009	11.4 °C	991 mm	10	94
2008	33.4 °C2 September 2008	-18.2 °C20 January 2008	11.3 °C	1,233 mm	15	108
2007	36.0 °C8 August 2007	-22.2 °C16 February 2007	12.6 °C	942 mm	55	101
2006	32.5 °C2 August 2006	-16.5 °C19 February 2006	12.3 °C	1,357 mm	18	82
2005	33.8 °C25 July 2005	-18.7 °C19 December 2005	12.0 °C	1,093 mm	32	97
2004	32.5 °C22 July 2004	-26.9 °C31 January 2004	11.7 °C	1,002 mm	13	92
2003	31.8 °C21 August 2003	-21.7 °C27 January 2003	10.8 °C	1,194 mm	11	106
2002	34.3 °C4 August 2002	-15.7 °C4 March 2002	12.1 °C	1,019 mm	48	105
2001	32.4 °C8 August 2001	-19.1 °C3 January 2001	12.2 °C	973 mm	26	86
2000	31.6 °C15 August 2000	-23.5 °C21 January 2000	11.1 °C	1,163 mm	8	112
1999	36.9 °C30 July 1999	-26.0 °C5 January 1999	12.3 °C	867 mm	44	95
1998	34.6 °C6 September 1998	-13.7 °C12 March 1998	13.1 °C	1,080 mm	23	82
1997	34.6 °C26 July 1997	-23.5 °C13 January 1997	10.6 °C	1,074 mm	21	102
1996	32.8 °C7 July 1996	-21.4 °C4 February 1996	10.5 °C	1,496 mm	25	116
1995	34.4 °C14 July 1995	-17.9 °C25 January 1995	11.4 °C	1,103 mm	43	106
1994	35.3 °C18 June 1994	-31.4 °C19 January 1994	11.7 °C	878 mm	33	97
1993	33.2 °C28 July 1993	-22.2 °C18 February 1993	10.9 °C	1,269 mm	25	102
1992	32.7 °C17 June 1992	-24.5 °C16 January 1992	11.0 °C	1,002 mm	7	96
1991	36.5 °C2 August 1991	-16.0 °C16 February 1991	12.7 °C	894 mm	58	99
1990	33.8 °C4 July 1990	-18.7 °C25 December 1990	12.4 °C	1,361 mm	26	84
1989	34.1 °C7 July 1989	-30.1 °C22 December 1989	10.8 °C	1,083 mm	26	110
1988	39.2 °C25 June 1988	-19.4 °C6 February 1988	11.5 °C	977 mm	60	109
1987	35.6 °C2 August 1987	-17.3 °C24 January 1987	12.3 °C	870 mm	47	97
1986	33.8 °C17 July 1986	-16.8 °C27 January 1986	11.9 °C	1,116 mm	28	89
1985	33.2 °C7 September 1985	-30.3 °C20 January 1985	11.1 °C	1,135 mm	18	98
1984	36.0 °C10 July 1984	-26.9 °C19 January 1984	11.4 °C	1,062 mm	32	104
1983	37.5 °C23 July 1983	-25.8 °C24 December 1983	11.8 °C	1,104 mm	68	96
1982	32.3 °C6 July 1982	-29.5 °C17 January 1982	11.0 °C	1,297 mm	13	106
1981	33.5 °C13 July 1981	-25.6 °C20 December 1981	11.0 °C	1,079 mm	15	111
1980	37.2 °C15 July 1980	-21.6 °C2 March 1980	10.8 °C	1,152 mm	40	116
1979	32.0 °C8 August 1979	-25.9 °C5 February 1979	10.0 °C	1,236 mm	6	111
1978	34.8 °C27 June 1978	-20.8 °C7 February 1978	10.0 °C	982 mm	34	107
1977	34.8 °C19 July 1977	-28.9 °C17 January 1977	11.1 °C	1,074 mm	38	104
1976	34.8 °C14 July 1976	-19.6 °C9 January 1976	10.7 °C	730 mm	24	122
1975	32.4 °C30 July 1975	-21.5 °C10 February 1975	11.7 °C	1,016 mm	37	103
1974	33.5 °C14 July 1974	-19.2 °C12 January 1974	11.1 °C	1,175 mm	13	95
1973	33.2 °C27 August 1973	-21.3 °C22 December 1973	12.1 °C	1,182 mm	34	90
1972	32.5 °C22 July 1972	-25.9 °C16 January 1972	10.3 °C	1,066 mm	14	112
1971	35.7 °C27 June 1971	-20.0 °C2 February 1971	11.5 °C	781 mm	24	105
1970	34.1 °C3 July 1970	-23.9 °C22 January 1970	11.0 °C	896 mm	26	102
1969	33.6 °C5 July 1969	-18.4 °C4 January 1969	10.6 °C	943 mm	25	120
1968	32.4 °C24 August 1968	-27.0 °C8 January 1968	10.7 °C	981 mm	22	105
1967	33.1 °C2 August 1967	-20.9 °C25 February 1967	10.7 °C	1,079 mm	14	106
1966	35.1 °C10 July 1966	-25.0 °C30 January 1966	10.4 °C	827 mm	36	111
1965	33.9 °C24 July 1965	-24.2 °C17 January 1965	11.3 °C	865 mm	20	109
1964	36.6 °C3 August 1964	-19.3 °C14 January 1964	11.4 °C	918 mm	44	108
1963	32.5 °C3 August 1963	-28.4 °C28 January 1963	10.0 °C	802 mm	15	112
1962	35.9 °C20 August 1962	-22.8 °C10 January 1962	10.7 °C	829 mm	27	115
1961	31.9 °C1 July 1961	-20.3 °C28 January 1961	10.7 °C	1,075 mm	15	107
1960	33.5 °C8 September 1960	-26.9 °C23 December 1960	10.1 °C	883 mm	19	120
1959	33.8 °C27 June 1959	-22.2 °C5 January 1959	11.7 °C	1,032 mm	47	114
1958	31.5 °C30 August 1958	-24.3 °C15 December 1958	10.1 °C	955 mm	11	111
1957	32.6 °C17 June 1957	-23.5 °C14 January 1957	11.3 °C	1,263 mm	23	101
1956	33.6 °C5 August 1956	-19.4 °C26 January 1956	11.4 °C	1,029 mm	19	103
1955	34.2 °C9 September 1955	-23.3 °C29 January 1955	11.7 °C	959 mm	41	115
1954	38.4 °C14 July 1954	-16.6 °C12 January 1954	12.2 °C	844 mm	53	105
1953	36.5 °C1 September 1953	-21.5 °C18 December 1953	12.3 °C	739 mm	55	99
1952	35.3 °C29 June 1952	-15.2 °C29 January 1952	11.8 °C	1,034 mm	46	107
1951	34.4 °C31 August 1951	-29.6 °C2 February 1951	10.7 °C	1,123 mm	28	109
1950	32.2 °C26 June 1950	-19.6 °C17 December 1950	10.4 °C	1,384 mm	8	119
1949	33.2 °C4 July 1949	-17.4 °C30 January 1949	11.9 °C	1,237 mm	29	96
1948	34.8 °C26 August 1948	-18.4 °C28 January 1948	11.1 °C	1,334 mm	23	100
1947	34.7 °C6 August 1947	-18.2 °C5 February 1947	10.2 °C	941 mm	30	123
1946	33.4 °C19 July 1946	-21.4 °C27 January 1946	11.8 °C	1,016 mm	12	89
1945	33.1 °C30 August 1945	-21.2 °C1 February 1945	10.7 °C	1,182 mm	18	105
1944	35.0 °C11 July 1944	-24.0 °C13 February 1944	11.2 °C	804 mm	31	111
1943	35.4 °C1 September 1943	-22.3 °C8 March 1943	10.0 °C	757 mm	23	133
1942	34.6 °C2 August 1942	-20.7 °C8 January 1942	10.4 °C	849 mm	15	121
1941	34.1 °C11 August 1941	-17.9 °C19 February 1941	10.7 °C	828 mm	23	117
1940	34.1 °C29 July 1940	-26.0 °C19 January 1940	9.3 °C	924 mm	28	127

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

17.2 °C

+0.9 °C

Hot days (≥ 30 °C)

46 d/yr

+16

Frost days (< 0 °C)

100 d/yr

-3

Annual rainfall

1049 mm

+2 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	-1.1 °C	-2.8 °C	42 mm	-35 mm
Feb	4.3 °C	+0.3 °C	85 mm	+14 mm
Mar	15.0 °C	+5.0 °C	136 mm	+32 mm
Apr	18.0 °C	+1.2 °C	157 mm	+48 mm
May	21.4 °C	-0.8 °C	85 mm	-26 mm
Jun	28.4 °C	+1.5 °C	147 mm	+48 mm
Jul	29.9 °C	+1.4 °C	123 mm	+34 mm
Aug	27.2 °C	-0.7 °C	37 mm	-36 mm
Sep	27.3 °C	+2.6 °C	49 mm	-21 mm
Oct	20.1 °C	+1.7 °C	70 mm	-3 mm
Nov	10.9 °C	+0.4 °C	60 mm	-28 mm
Dec	4.2 °C	+0.1 °C	58 mm	-24 mm

The year's extremes

Hottest day

33.6 °C

23 Jun 2025

Coldest day

-23.2 °C

15 Dec 2025

Wettest day

49.9 mm

5 Apr 2025

Windiest day

44.0 km/h

2 Apr 2025

Strongest gust

86.8 km/h

3 Apr 2025

Hottest feels-like

38.6 °C

29 Jul 2025

Coldest feels-like

-28.2 °C

15 Dec 2025

Snowiest day

5.3 cm

16 Feb 2025

Sunniest day

14.6 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 Greenfield?

Greenfield has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 1,047 mm of precipitation per year.

What is the hottest day ever recorded in Greenfield?

The hottest day measured in Greenfield between 1940 and 2025 was 25 June 1988, reaching 39.2 °C.

What is the coldest day in Greenfield?

The coldest day measured in Greenfield between 1940 and 2025 was 19 January 1994, at -31.4 °C.

Does it snow in Greenfield?

Yes. Greenfield gets on average 52.2 cm of snow per year and has around 103 frost days.

Has the climate of Greenfield warmed?

Yes: Greenfield warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Greenfield?

The wettest day measured in Greenfield between 1940 and 2025 was 1 September 2003, with 113 mm of rain in 24 hours.

What was the windiest day in Greenfield?

The windiest day measured in Greenfield between 1940 and 2025 was 26 January 1978, with winds reaching 56.2 km/h.

What is the warmest month in Greenfield?

The warmest month in Greenfield is July (23.6 °C on average); the coldest is January (-2.5 °C).

How much does it rain in Greenfield?

Greenfield receives on average 1,047 mm of precipitation per year, spread over about 124 rainy days.

Is it sunny in Greenfield?

Greenfield gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

What is the biggest single-day snowfall in Greenfield?

The heaviest 24-hour snowfall measured in Greenfield between 1940 and 2025 was 25 February 1979, with 25.6 cm.

Are there tropical nights in Greenfield?

Yes: Greenfield has on average 34 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Greenfield?

In Greenfield, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 14 July 1995, and the lowest was -38.3 °C on 20 January 1985.

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