Fairfield Heights climate — normals and trends

Fairfield Heights (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 1,034 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 (23.8 °C on average) and the coldest is January (-2.6 °C). Rainfall peaks in May.

Fairfield Heights averages 104 frost days, 31 hot days (≥ 30 °C) and 121 rainy days per year.

Fairfield Heights 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 116 to 92 per year over the period.

The hottest day of the period reached 39.2 °C (on 25 June 1988) and the coldest -31.3 °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

Fairfield HeightsIndiana

coords
39.83°, -86.38°
period
19402025 · 86 yrs
DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthFebruary

Mean daily temperature

11.3°C

Average daily high

16.2°C

Average daily low

6.7°C

Annual rainfall

1,034mm

Sunshine / day

8.7h

Mean relative humidity

71%

Average peak wind

18.3km/h

Seasonal range

26.4°C

Frost days (< 0 °C)

104 d/yr

Hot days (≥ 30 °C)

31 d/yr

Rainy days (≥ 1 mm)

121 d/yr

Annual snowfall

52.2 cm

Average feels-like high

14.7 °C

Average feels-like low

4.1 °C

Average peak gust

37.7 km/h

Tropical nights (≥ 20 °C)

36 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 = 0.35 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

-31.3 °C

19 January 1994

Wettest day

126 mm

1 September 2003

Windiest day

49.3 km/h

6 March 1959

Strongest gust

113.8 km/h

14 March 2019

Hottest feels-like

43.7 °C

14 July 1995

Coldest feels-like

-38.3 °C

20 January 1985

Snowiest day

26.5 cm

13 February 2007

Sunniest day

14.4 h

11 June 2025

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202534.3 °C23 June 2025-23.7 °C15 December 202512.2 °C975 mm4998
202433.7 °C17 June 2024-20.5 °C14 January 202413.1 °C1,140 mm3474
202334.5 °C28 July 2023-12.4 °C1 February 202313.1 °C941 mm2870
202235.7 °C5 July 2022-22.8 °C23 December 202211.9 °C1,095 mm37101
202134.3 °C18 June 2021-18.1 °C17 February 202112.7 °C1,133 mm3991
202034.1 °C20 June 2020-16.5 °C14 February 202012.7 °C1,041 mm4384
201933.0 °C14 July 2019-24.1 °C30 January 201912.0 °C1,280 mm33104
201833.4 °C28 May 2018-27.8 °C2 January 201812.1 °C1,354 mm45111
201733.1 °C21 September 2017-19.6 °C27 December 201712.8 °C1,073 mm2780
201633.1 °C26 June 2016-19.1 °C13 January 201612.8 °C1,050 mm3989
201532.7 °C6 September 2015-22.2 °C24 February 201512.1 °C1,087 mm2089
201432.0 °C17 June 2014-24.8 °C6 January 201410.2 °C1,041 mm16111
201335.8 °C10 September 2013-17.5 °C2 January 201311.3 °C1,019 mm27119
201238.0 °C7 July 2012-12.1 °C20 January 201213.5 °C861 mm5688
201137.0 °C1 September 2011-18.3 °C22 January 201112.4 °C1,448 mm4587
201035.5 °C21 September 2010-20.2 °C15 December 201012.2 °C959 mm60100
200933.2 °C25 June 2009-22.7 °C16 January 200911.4 °C1,018 mm1091
200832.4 °C2 September 2008-18.5 °C20 January 200811.2 °C1,169 mm14112
200736.8 °C5 September 2007-21.6 °C16 February 200712.7 °C904 mm59110
200633.0 °C16 July 2006-16.7 °C19 February 200612.2 °C1,375 mm2287
200534.5 °C25 July 2005-17.1 °C18 January 200512.1 °C1,020 mm4398
200432.9 °C22 July 2004-26.8 °C31 January 200411.8 °C902 mm1591
200332.0 °C21 August 2003-19.6 °C27 January 200310.8 °C1,259 mm14105
200234.4 °C4 August 2002-16.3 °C4 March 200212.1 °C994 mm50106
200132.6 °C23 July 2001-15.5 °C2 January 200112.2 °C1,015 mm2589
200032.0 °C15 August 2000-23.7 °C28 January 200011.1 °C1,202 mm8112
199937.3 °C30 July 1999-25.5 °C5 January 199912.3 °C870 mm5391
199833.8 °C6 September 1998-17.2 °C12 March 199813.0 °C1,150 mm2280
199734.7 °C26 July 1997-23.1 °C12 January 199710.6 °C1,043 mm23103
199632.7 °C7 July 1996-23.1 °C4 February 199610.4 °C1,452 mm23122
199535.1 °C14 July 1995-18.0 °C9 December 199511.4 °C1,049 mm44107
199436.3 °C18 June 1994-31.3 °C19 January 199411.8 °C876 mm3991
199333.7 °C28 July 1993-21.7 °C18 February 199310.8 °C1,259 mm26105
199233.1 °C17 June 1992-24.3 °C16 January 199211.1 °C971 mm899
199136.5 °C2 August 1991-16.3 °C22 January 199112.7 °C916 mm6097
199034.3 °C4 July 1990-18.8 °C25 December 199012.4 °C1,325 mm2786
198934.2 °C10 July 1989-28.6 °C22 December 198910.7 °C1,033 mm25107
198839.2 °C25 June 1988-20.1 °C29 December 198811.6 °C869 mm66110
198736.0 °C2 August 1987-18.6 °C24 January 198712.3 °C902 mm5090
198634.2 °C25 July 1986-17.7 °C27 January 198611.9 °C1,094 mm2992
198533.2 °C14 July 1985-30.1 °C20 January 198511.1 °C1,135 mm23100
198436.0 °C10 July 1984-24.1 °C21 January 198411.3 °C1,097 mm29100
198338.4 °C22 July 1983-26.4 °C24 December 198311.7 °C1,121 mm6599
198232.7 °C3 August 1982-29.6 °C17 January 198211.0 °C1,313 mm16110
198133.1 °C13 July 1981-25.3 °C12 February 198110.9 °C1,298 mm17108
198037.4 °C15 July 1980-20.9 °C2 March 198010.8 °C1,111 mm42117
197932.2 °C7 August 1979-26.0 °C15 January 197910.0 °C1,135 mm10115
197834.3 °C27 June 1978-20.6 °C22 January 197810.1 °C1,024 mm36107
197735.8 °C19 July 1977-27.9 °C17 January 197711.2 °C1,078 mm43101
197634.7 °C14 July 1976-22.9 °C2 February 197610.6 °C667 mm30125
197532.7 °C30 July 1975-20.3 °C10 February 197511.7 °C1,019 mm38105
197433.5 °C14 July 1974-19.1 °C12 January 197411.1 °C1,183 mm1499
197333.2 °C26 August 1973-18.8 °C21 December 197312.1 °C1,235 mm3190
197232.8 °C21 July 1972-25.9 °C16 January 197210.2 °C991 mm19115
197135.8 °C27 June 1971-21.2 °C2 February 197111.5 °C762 mm24110
197034.7 °C2 July 1970-24.5 °C22 January 197011.0 °C914 mm25108
196933.6 °C4 July 1969-19.6 °C12 January 196910.6 °C917 mm26119
196833.0 °C21 August 1968-27.8 °C1 January 196810.8 °C975 mm30106
196732.4 °C15 June 1967-20.9 °C25 February 196710.5 °C1,085 mm18109
196635.4 °C10 July 1966-25.2 °C30 January 196610.5 °C781 mm39111
196534.5 °C24 July 1965-23.3 °C17 January 196511.3 °C786 mm22108
196436.4 °C3 August 1964-17.9 °C14 January 196411.4 °C905 mm47108
196333.1 °C9 June 1963-28.3 °C28 January 196310.0 °C740 mm19115
196236.1 °C20 August 1962-23.1 °C10 January 196210.6 °C804 mm26117
196131.5 °C29 June 1961-23.5 °C25 January 196110.6 °C1,063 mm21108
196033.8 °C8 September 1960-26.9 °C23 December 196010.2 °C853 mm16121
195933.3 °C27 June 1959-22.3 °C5 January 195911.6 °C1,013 mm40112
195831.9 °C30 August 1958-23.6 °C15 December 195810.1 °C915 mm10117
195732.5 °C19 July 1957-23.7 °C17 January 195711.3 °C1,253 mm27103
195633.4 °C27 July 1956-19.3 °C31 January 195611.4 °C955 mm18108
195534.3 °C27 July 1955-22.2 °C29 January 195511.6 °C948 mm41115
195438.4 °C14 July 1954-16.9 °C12 January 195412.2 °C857 mm57108
195336.8 °C20 June 1953-15.8 °C17 December 195312.3 °C690 mm60101
195235.9 °C29 June 1952-16.0 °C29 January 195211.7 °C963 mm50107
195134.1 °C31 August 1951-28.5 °C2 February 195110.5 °C1,112 mm21112
195031.8 °C26 June 1950-23.1 °C18 December 195010.3 °C1,316 mm11117
194933.7 °C1 July 1949-17.7 °C30 January 194911.9 °C1,127 mm28101
194834.8 °C26 August 1948-19.6 °C28 January 194811.0 °C1,302 mm22103
194735.5 °C6 August 1947-18.5 °C5 January 194710.2 °C947 mm34123
194633.1 °C19 July 1946-22.0 °C22 January 194611.9 °C994 mm1387
194533.4 °C30 August 1945-21.8 °C11 January 194510.6 °C1,192 mm19106
194434.6 °C11 July 1944-22.7 °C13 February 194411.1 °C861 mm31113
194335.0 °C1 September 1943-21.9 °C8 March 194310.0 °C726 mm30133
194234.2 °C2 August 1942-21.6 °C10 January 194210.3 °C859 mm14119
194133.7 °C11 August 1941-18.6 °C19 February 194110.6 °C852 mm23119
194034.2 °C29 July 1940-27.3 °C19 January 19409.2 °C909 mm25131

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?

Across the whole year

Average daily high
17.3 °C
+1.1 °C
Hot days (≥ 30 °C)
49 d/yr
+18
Frost days (< 0 °C)
98 d/yr
-6
Annual rainfall
975 mm
-59 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan-0.7 °C-2.2 °C45 mm-27 mm
Feb3.9 °C0.0 °C59 mm-9 mm
Mar14.7 °C+4.9 °C134 mm+31 mm
Apr17.8 °C+1.2 °C179 mm+69 mm
May21.4 °C-0.7 °C86 mm-27 mm
Jun28.5 °C+1.5 °C95 mm-5 mm
Jul30.4 °C+1.7 °C140 mm+49 mm
Aug27.7 °C-0.3 °C30 mm-46 mm
Sep27.1 °C+2.5 °C63 mm-7 mm
Oct20.2 °C+2.0 °C44 mm-29 mm
Nov11.0 °C+0.8 °C52 mm-34 mm
Dec4.1 °C+0.2 °C50 mm-26 mm

The year's extremes

Hottest day
34.3 °C
23 Jun 2025
Coldest day
-23.7 °C
15 Dec 2025
Wettest day
45.8 mm
5 Apr 2025
Windiest day
40.3 km/h
2 Apr 2025
Strongest gust
91.8 km/h
2 Apr 2025
Hottest feels-like
39.2 °C
29 Jul 2025
Coldest feels-like
-28.5 °C
15 Dec 2025
Snowiest day
5.7 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 Fairfield Heights?

Fairfield Heights has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 1,034 mm of precipitation per year.

What is the hottest day ever recorded in Fairfield Heights?

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

What is the coldest day in Fairfield Heights?

The coldest day measured in Fairfield Heights between 1940 and 2025 was 19 January 1994, at -31.3 °C.

Does it snow in Fairfield Heights?

Yes. Fairfield Heights gets on average 52.2 cm of snow per year and has around 104 frost days.

Has the climate of Fairfield Heights warmed?

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

What is the wettest day in Fairfield Heights?

The wettest day measured in Fairfield Heights between 1940 and 2025 was 1 September 2003, with 126 mm of rain in 24 hours.

What was the windiest day in Fairfield Heights?

The windiest day measured in Fairfield Heights between 1940 and 2025 was 6 March 1959, with winds reaching 49.3 km/h.

What is the warmest month in Fairfield Heights?

The warmest month in Fairfield Heights is July (23.8 °C on average); the coldest is January (-2.6 °C).

How much does it rain in Fairfield Heights?

Fairfield Heights receives on average 1,034 mm of precipitation per year, spread over about 121 rainy days.

Is it sunny in Fairfield Heights?

Fairfield Heights 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 Fairfield Heights?

The heaviest 24-hour snowfall measured in Fairfield Heights between 1940 and 2025 was 13 February 2007, with 26.5 cm.

Are there tropical nights in Fairfield Heights?

Yes: Fairfield Heights has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Fairfield Heights?

In Fairfield Heights, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 14 July 1995, and the lowest was -38.3 °C on 20 January 1985.

Compare Fairfield Heights with another city

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

Nearby cities

The climate around Fairfield Heights

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