Peoria, IL: records

4 October 2026: The hottest day on record in Peoria, IL: 113°F on Wednesday 15 July 1936.

The record begins: 1883

All-time records

Hottest day: 113°F; 15 July 1936
Coldest night: -27°F; 5 January 1884
Wettest day: 5.52 in; 18 May 1927
Warmest night: 82°F; 22 August 1936
Coldest day: -16°F; 5 January 1884

Daily records by decade

New daily records set in Peoria, IL by decade since the 1910s: the most record highs, 132, came in the 1930s; the most record lows, 109, in the 1910s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1880s	0	0	7
1890s	0	0	10
1900s	0	0	10
1910s	68	109	10
1920s	68	82	10
1930s	132	55	10
1940s	29	42	10
1950s	22	38	10
1960s	7	59	10
1970s	20	57	10
1980s	31	35	10
1990s	14	25	10
2000s	17	8	10
2010s	29	8	10
2020s	27	1	7

Records by month

Month	Highest	Lowest	Wettest day
January	71°F 23 January 1909	-27°F 5 January 1884	4.43 in 1 January 1965
February	78°F 27 February 2024	-26°F 13 February 1905	2.85 in 11 February 1887
March	87°F 26 March 2026, 21 March 1907	-10°F 6 March 1960, 8 March 1943	2.88 in 14 March 1944
April	92°F 25 April 1986, 10 April 1930, 29 April 1899 and 1 more	14°F 2 April 2018, 7 April 1982, 6 April 1982 and 1 more	5.06 in 24 April 1950
May	104°F 31 May 1934	25°F 10 May 1966	5.52 in 18 May 1927
June	105°F 25 June 1988, 29 June 1936, 1 June 1934	39°F 1 June 1993, 4 June 1945	4.74 in 24 June 1911
July	113°F 15 July 1936	46°F 26 July 1911	5.19 in 15 July 2020
August	106°F 18 August 1936	41°F 28 August 1986, 31 August 1915, 26 August 1910	4.32 in 29 August 1955
September	104°F 5 September 1899	26°F 28 September 1942, 30 September 1899	4.11 in 13 September 1961
October	93°F 3 October 2006	7°F 30 October 1925	3.98 in 24 October 2021
November	81°F 1 November 1950, 1 November 1937, 1 November 1888	-2°F 26 November 1977	4.26 in 27 November 1990
December	71°F 2 December 1982, 3 December 1970	-24°F 28 December 1924	2.60 in 18 December 1895

Streaks, months and years

Longest heat streak	21 days	11 July to 31 July 1916	A high of 90°F or above
Longest cold streak	35 days	29 December 1976 to 1 February 1977	A high of 32°F or below
Wettest month	13.09 in	September 1961
Driest month	0.03 in	September 1979	and 1 more
Wettest year	55.35 in	1990
Driest year	22.16 in	1988

Every record in words

The coldest night on record in Peoria, IL: a low of -27°F on Saturday 5 January 1884.
The wettest day on record in Peoria, IL: 5.52 in on Wednesday 18 May 1927.
The warmest night on record in Peoria, IL: a low of 82°F on Saturday 22 August 1936.
The coldest day on record in Peoria, IL: a high of -16°F on Saturday 5 January 1884.
The longest run of days with a high of 90°F or above in Peoria, IL: 21 days, from Tuesday 11 July to Monday 31 July 1916.
The longest run of days with a high of 32°F or below in Peoria, IL: 35 days, from Wednesday 29 December 1976 to Tuesday 1 February 1977.
The wettest month on record in Peoria, IL: September 1961, with 13.09 in of precipitation.
The driest month on record in Peoria, IL: September 1979, with 0.03 in of precipitation (shared with 1 other month).
The wettest year on record in Peoria, IL: 1990, with 55.35 in of precipitation.
The driest year on record in Peoria, IL: 1988, with 22.16 in of precipitation.

Peoria, IL the day's answers