Fairview Heights climate — normals and trends

Q: What is the climate of Fairview Heights?

Fairview Heights has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 13.5 °C and it receives 1,015 mm of precipitation per year.

Q: What is the hottest day ever recorded in Fairview Heights?

The hottest day measured in Fairview Heights between 1940 and 2025 was 14 July 1954, reaching 43.1 °C.

Q: What is the coldest day in Fairview Heights?

The coldest day measured in Fairview Heights between 1940 and 2025 was 17 January 1977, at -27.1 °C.

Q: Does it snow in Fairview Heights?

Yes. Fairview Heights gets on average 35.9 cm of snow per year and has around 82 frost days.

Q: Has the climate of Fairview Heights warmed?

Yes: Fairview Heights warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Fairview Heights?

The wettest day measured in Fairview Heights between 1940 and 2025 was 26 April 2017, with 112 mm of rain in 24 hours.

Q: What was the windiest day in Fairview Heights?

The windiest day measured in Fairview Heights between 1940 and 2025 was 5 April 1947, with winds reaching 47.6 km/h.

Q: What is the warmest month in Fairview Heights?

The warmest month in Fairview Heights is July (26.1 °C on average); the coldest is January (-0.5 °C).

Q: How much does it rain in Fairview Heights?

Fairview Heights receives on average 1,015 mm of precipitation per year, spread over about 111 rainy days.

Q: Is it sunny in Fairview Heights?

Fairview Heights gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Fairview Heights (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.5 °C and it receives 1,015 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 (26.1 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in April.

Fairview Heights averages 82 frost days, 64 hot days (≥ 30 °C) and 111 rainy days per year.

Fairview Heights has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The number of frost days there went from about 92 to 72 per year over the period.

The hottest day of the period reached 43.1 °C (on 14 July 1954) and the coldest -27.1 °C (on 17 January 1977).

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

Fairview HeightsIllinois

coords: 38.59°, -89.99°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthAprilDriest monthFebruary

Mean daily temperature

13.5°C

Average daily high

18.6°C

Average daily low

8.9°C

Annual rainfall

1,015mm

Sunshine / day

9.1h

Mean relative humidity

67%

Average peak wind

16.8km/h

Seasonal range

26.6°C

Frost days (< 0 °C)

82 d/yr

Hot days (≥ 30 °C)

64 d/yr

Rainy days (≥ 1 mm)

111 d/yr

Annual snowfall

35.9 cm

Average feels-like high

17.5 °C

Average feels-like low

6.9 °C

Average peak gust

36.4 km/h

Tropical nights (≥ 20 °C)

65 d/yr

Solar radiation

15.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °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

43.1 °C

14 July 1954

Coldest day

-27.1 °C

17 January 1977

Wettest day

112 mm

26 April 2017

Windiest day

47.6 km/h

5 April 1947

Strongest gust

111.6 km/h

18 January 1996

Hottest feels-like

44.9 °C

12 July 2011

Coldest feels-like

-34.0 °C

20 January 1985

Snowiest day

28.7 cm

6 November 1951

Sunniest day

14.0 h

19 June 2022

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.1 °C14 September 2025	-16.6 °C20 February 2025	14.4 °C	1,163 mm	70	79
2024	36.8 °C27 August 2024	-20.2 °C14 January 2024	15.2 °C	1,138 mm	67	52
2023	38.5 °C25 August 2023	-12.1 °C31 January 2023	15.2 °C	1,029 mm	67	54
2022	37.4 °C24 July 2022	-21.1 °C23 December 2022	13.9 °C	1,109 mm	68	93
2021	36.0 °C18 June 2021	-18.5 °C16 February 2021	14.6 °C	1,093 mm	72	69
2020	36.4 °C11 July 2020	-15.0 °C14 February 2020	14.1 °C	1,283 mm	58	63
2019	34.8 °C19 July 2019	-19.4 °C30 January 2019	13.8 °C	1,286 mm	72	85
2018	35.3 °C5 July 2018	-20.5 °C1 January 2018	13.9 °C	1,305 mm	92	90
2017	38.6 °C22 July 2017	-16.2 °C27 December 2017	15.2 °C	1,097 mm	70	61
2016	36.5 °C16 June 2016	-16.5 °C19 December 2016	14.9 °C	1,152 mm	71	64
2015	35.2 °C13 July 2015	-19.7 °C19 February 2015	14.4 °C	1,431 mm	57	69
2014	35.2 °C25 August 2014	-22.3 °C7 January 2014	12.5 °C	1,069 mm	48	97
2013	39.5 °C31 August 2013	-15.8 °C12 December 2013	13.1 °C	923 mm	60	99
2012	41.2 °C25 July 2012	-10.5 °C30 December 2012	15.9 °C	820 mm	94	61
2011	37.7 °C1 September 2011	-17.1 °C21 January 2011	14.5 °C	1,258 mm	81	67
2010	38.1 °C3 August 2010	-18.4 °C10 January 2010	14.3 °C	910 mm	90	86
2009	36.0 °C23 June 2009	-17.9 °C15 January 2009	13.6 °C	1,268 mm	36	75
2008	35.8 °C20 July 2008	-15.0 °C22 December 2008	13.1 °C	1,371 mm	46	98
2007	39.4 °C15 August 2007	-14.8 °C4 February 2007	14.8 °C	857 mm	86	85
2006	36.9 °C1 August 2006	-14.9 °C18 February 2006	14.7 °C	1,000 mm	71	62
2005	37.6 °C24 July 2005	-17.5 °C9 December 2005	14.5 °C	941 mm	80	74
2004	36.3 °C13 July 2004	-17.5 °C31 January 2004	13.8 °C	1,094 mm	43	74
2003	36.7 °C21 August 2003	-16.9 °C23 January 2003	13.5 °C	1,047 mm	46	81
2002	37.4 °C3 August 2002	-16.2 °C4 March 2002	14.2 °C	1,007 mm	84	76
2001	36.5 °C7 July 2001	-17.8 °C2 January 2001	14.2 °C	1,041 mm	60	74
2000	35.9 °C29 August 2000	-20.8 °C25 December 2000	13.5 °C	979 mm	61	80
1999	39.3 °C29 July 1999	-26.2 °C5 January 1999	14.4 °C	885 mm	55	63
1998	36.1 °C6 September 1998	-17.9 °C12 March 1998	15.0 °C	1,212 mm	77	59
1997	38.7 °C26 July 1997	-20.3 °C13 January 1997	13.0 °C	959 mm	50	75
1996	36.1 °C18 July 1996	-23.7 °C3 February 1996	12.8 °C	1,152 mm	57	89
1995	38.4 °C18 August 1995	-15.8 °C9 December 1995	13.8 °C	957 mm	71	87
1994	35.6 °C19 June 1994	-25.6 °C19 January 1994	14.1 °C	1,004 mm	70	66
1993	35.8 °C27 July 1993	-19.3 °C18 February 1993	12.9 °C	1,234 mm	62	84
1992	36.7 °C2 July 1992	-17.2 °C16 January 1992	13.5 °C	1,004 mm	37	65
1991	37.9 °C2 August 1991	-14.8 °C8 November 1991	14.4 °C	1,043 mm	77	76
1990	37.8 °C6 September 1990	-18.9 °C24 December 1990	14.3 °C	1,331 mm	53	59
1989	37.1 °C10 July 1989	-26.8 °C22 December 1989	12.8 °C	913 mm	55	95
1988	38.6 °C25 June 1988	-21.5 °C12 February 1988	13.4 °C	966 mm	77	88
1987	39.0 °C2 August 1987	-18.9 °C24 January 1987	14.3 °C	940 mm	86	71
1986	37.5 °C25 July 1986	-18.4 °C27 January 1986	14.1 °C	1,022 mm	71	79
1985	35.7 °C14 July 1985	-26.0 °C20 January 1985	12.8 °C	1,340 mm	48	86
1984	37.7 °C29 August 1984	-25.2 °C19 January 1984	13.2 °C	1,320 mm	59	75
1983	39.7 °C23 July 1983	-24.2 °C25 December 1983	13.1 °C	1,215 mm	84	80
1982	35.9 °C4 August 1982	-26.5 °C17 January 1982	12.9 °C	1,285 mm	35	91
1981	35.7 °C13 July 1981	-20.7 °C12 February 1981	13.5 °C	1,031 mm	49	79
1980	40.7 °C15 July 1980	-19.5 °C2 March 1980	13.2 °C	851 mm	86	94
1979	35.0 °C6 August 1979	-26.7 °C15 January 1979	12.2 °C	1,019 mm	50	100
1978	36.0 °C27 June 1978	-20.5 °C5 March 1978	12.1 °C	1,019 mm	65	94
1977	36.4 °C5 June 1977	-27.1 °C17 January 1977	13.5 °C	1,073 mm	70	80
1976	35.9 °C22 July 1976	-19.3 °C8 January 1976	12.7 °C	650 mm	50	98
1975	36.5 °C12 August 1975	-15.3 °C20 January 1975	13.5 °C	1,003 mm	66	84
1974	36.9 °C28 July 1974	-20.1 °C12 January 1974	13.3 °C	1,032 mm	45	75
1973	35.3 °C26 August 1973	-21.5 °C21 December 1973	13.9 °C	1,191 mm	59	75
1972	35.2 °C18 August 1972	-20.1 °C16 January 1972	12.9 °C	801 mm	64	96
1971	37.0 °C25 June 1971	-16.5 °C9 February 1971	13.7 °C	720 mm	63	86
1970	36.8 °C2 July 1970	-23.6 °C21 January 1970	13.1 °C	799 mm	62	83
1969	36.1 °C4 July 1969	-15.9 °C4 January 1969	12.9 °C	880 mm	61	98
1968	36.4 °C20 August 1968	-20.9 °C7 January 1968	13.1 °C	920 mm	61	91
1967	34.2 °C25 May 1967	-16.6 °C18 January 1967	13.1 °C	1,026 mm	40	83
1966	41.5 °C13 July 1966	-20.9 °C29 January 1966	12.9 °C	859 mm	58	87
1965	37.7 °C24 July 1965	-21.0 °C31 January 1965	13.8 °C	791 mm	59	84
1964	38.4 °C3 August 1964	-21.4 °C14 January 1964	13.7 °C	782 mm	72	88
1963	36.1 °C2 August 1963	-23.5 °C23 January 1963	12.9 °C	737 mm	63	96
1962	39.3 °C20 August 1962	-20.6 °C10 January 1962	13.1 °C	853 mm	69	86
1961	35.5 °C29 July 1961	-21.7 °C28 January 1961	13.0 °C	904 mm	67	77
1960	36.9 °C6 September 1960	-20.3 °C5 March 1960	12.8 °C	647 mm	63	112
1959	36.5 °C29 June 1959	-19.5 °C5 January 1959	13.8 °C	845 mm	82	77
1958	35.9 °C8 June 1958	-20.8 °C17 February 1958	12.7 °C	891 mm	50	92
1957	37.9 °C17 July 1957	-16.2 °C16 January 1957	13.7 °C	1,300 mm	58	74
1956	38.1 °C5 August 1956	-12.9 °C24 January 1956	13.9 °C	844 mm	71	88
1955	36.9 °C9 September 1955	-20.0 °C11 February 1955	14.0 °C	835 mm	75	87
1954	43.1 °C14 July 1954	-14.0 °C12 January 1954	14.6 °C	751 mm	88	81
1953	39.7 °C20 June 1953	-14.1 °C23 December 1953	14.8 °C	665 mm	89	70
1952	40.0 °C29 June 1952	-14.1 °C29 January 1952	14.2 °C	756 mm	88	74
1951	37.3 °C30 August 1951	-26.2 °C2 February 1951	12.6 °C	1,234 mm	52	88
1950	35.6 °C26 June 1950	-15.4 °C7 December 1950	12.7 °C	1,318 mm	32	99
1949	36.6 °C1 July 1949	-15.9 °C30 January 1949	13.8 °C	1,150 mm	52	79
1948	35.8 °C24 August 1948	-22.0 °C28 January 1948	13.3 °C	1,071 mm	64	86
1947	39.2 °C6 August 1947	-16.2 °C4 January 1947	13.1 °C	868 mm	64	99
1946	36.7 °C19 July 1946	-13.2 °C27 January 1946	14.6 °C	1,096 mm	56	58
1945	36.8 °C31 August 1945	-14.5 °C19 December 1945	13.0 °C	1,496 mm	46	85
1944	37.2 °C22 June 1944	-15.4 °C21 March 1944	13.4 °C	777 mm	72	93
1943	40.1 °C26 August 1943	-15.4 °C14 February 1943	12.8 °C	706 mm	70	104
1942	37.4 °C1 August 1942	-21.5 °C10 January 1942	12.7 °C	904 mm	57	98
1941	37.1 °C11 August 1941	-14.5 °C19 February 1941	13.0 °C	859 mm	56	101
1940	37.1 °C3 August 1940	-25.0 °C19 January 1940	11.6 °C	843 mm	46	104

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

19.5 °C

+0.9 °C

Hot days (≥ 30 °C)

70 d/yr

Frost days (< 0 °C)

79 d/yr

-3

Annual rainfall

1163 mm

+148 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	2.4 °C	-1.4 °C	57 mm	-9 mm
Feb	6.1 °C	-0.5 °C	50 mm	-15 mm
Mar	17.9 °C	+5.4 °C	77 mm	-26 mm
Apr	20.5 °C	+1.4 °C	170 mm	+56 mm
May	23.2 °C	-1.2 °C	123 mm	+10 mm
Jun	29.5 °C	+0.1 °C	198 mm	+107 mm
Jul	31.6 °C	+0.5 °C	127 mm	+48 mm
Aug	29.6 °C	-0.7 °C	22 mm	-49 mm
Sep	28.9 °C	+2.3 °C	152 mm	+78 mm
Oct	22.1 °C	+1.7 °C	91 mm	+10 mm
Nov	13.8 °C	+1.5 °C	78 mm	-9 mm
Dec	7.4 °C	+1.3 °C	20 mm	-51 mm

The year's extremes

Hottest day

36.1 °C

14 Sep 2025

Coldest day

-16.6 °C

20 Feb 2025

Wettest day

72.2 mm

23 Sep 2025

Windiest day

39.0 km/h

14 Mar 2025

Strongest gust

96.5 km/h

14 Mar 2025

Hottest feels-like

42.9 °C

29 Jul 2025

Coldest feels-like

-22.6 °C

21 Jan 2025

Snowiest day

9.6 cm

5 Jan 2025

Sunniest day

14.0 h

16 May 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 Fairview Heights?

Fairview Heights has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 13.5 °C and it receives 1,015 mm of precipitation per year.

What is the hottest day ever recorded in Fairview Heights?

The hottest day measured in Fairview Heights between 1940 and 2025 was 14 July 1954, reaching 43.1 °C.

What is the coldest day in Fairview Heights?

The coldest day measured in Fairview Heights between 1940 and 2025 was 17 January 1977, at -27.1 °C.

Does it snow in Fairview Heights?

Yes. Fairview Heights gets on average 35.9 cm of snow per year and has around 82 frost days.

Has the climate of Fairview Heights warmed?

Yes: Fairview Heights warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Fairview Heights?

The wettest day measured in Fairview Heights between 1940 and 2025 was 26 April 2017, with 112 mm of rain in 24 hours.

What was the windiest day in Fairview Heights?

The windiest day measured in Fairview Heights between 1940 and 2025 was 5 April 1947, with winds reaching 47.6 km/h.

What is the warmest month in Fairview Heights?

The warmest month in Fairview Heights is July (26.1 °C on average); the coldest is January (-0.5 °C).

How much does it rain in Fairview Heights?

Fairview Heights receives on average 1,015 mm of precipitation per year, spread over about 111 rainy days.

Is it sunny in Fairview Heights?

Fairview Heights gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

What is the biggest single-day snowfall in Fairview Heights?

The heaviest 24-hour snowfall measured in Fairview Heights between 1940 and 2025 was 6 November 1951, with 28.7 cm.

Are there tropical nights in Fairview Heights?

Yes: Fairview Heights has on average 65 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Fairview Heights?

In Fairview Heights, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 12 July 2011, and the lowest was -34.0 °C on 20 January 1985.

Compare Fairview Heights with another city

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

Nearby cities

The climate around Fairview Heights

Other cities — United States

All cities in United States →