Peoria Climate -- Warm Season Records

**Highest Temperatures on Record**
Temperature (ºF)	Date
113	July 15, 1936
110	July 14, 1936
109	July 13, 1936
108	July 11, 1936
107	July 27, 1930 July 12, 1936

Highest Temperatures on Record

Temperature (ºF)

Date

113

July 15, 1936

110

July 14, 1936

109

July 13, 1936

108

July 11, 1936

107

July 27, 1930
July 12, 1936

**Highest Dew Point (since 1948)**
Dew Point (ºF)	Date
83	August 24, 2023 July 24, 2016 August 27, 1990
82	July 27, 2023 July 20, 2017 July 13, 1995

Highest Dew Point (since 1948)

Dew Point (ºF)

Date

August 24, 2023
July 24, 2016
August 27, 1990

July 27, 2023
July 20, 2017
July 13, 1995

**Highest Heat Index (since 1948)**
Heat Index	Date
121	August 24, 2023
119	July 13, 1995
117	July 29, 1999 July 12, 1980
116	July 24, 2016 July 13, 1981
115	July 19, 2011 July 12, 1995 August 27, 1990 July 28, 1983 July 14, 1980 July 7, 1980
NOTE: Based on hourly temperature and dew point observations, since this is not directly measured.

Highest Heat Index (since 1948)

Heat Index

Date

121

August 24, 2023

119

July 13, 1995

117

July 29, 1999
July 12, 1980

116

July 24, 2016
July 13, 1981

115

July 19, 2011
July 12, 1995
August 27, 1990
July 28, 1983
July 14, 1980
July 7, 1980

NOTE: Based on hourly temperature and dew point observations, since this is not directly measured.

**Days At or Above 90°**
MOST	LEAST
69 (1887)	4 (1915, 1950, 2004)
64 (1936)	6 (1951, 2009)
62 (1933)	7 (1907, 1958, 1981, 1992)
60 (1901)	8 (1967, 1969, 1982, 2008)
59 (1895, 1913)	10 (1924, 1972, 1985)

Days At or Above 90°

MOST

LEAST

69 (1887)

4 (1915, 1950, 2004)

64 (1936)

6 (1951, 2009)

62 (1933)

7 (1907, 1958, 1981, 1992)

60 (1901)

8 (1967, 1969, 1982, 2008)

59 (1895, 1913)

10 (1924, 1972, 1985)

**Days At or Above 100°**
Most Days	Year	Longest Period Below 100°	Dates
23	1936	4,374 days	July 19, 1954 to July 9, 1996
18	1934	3,991 days *	July 16, 2012 to July 31, 2023
11	1887	3,662 days	July 14, 1995 to July 23, 2005
10	1983	2,518 days	August 19, 1988 to July 12, 1995
9	1913, 1930, 1931, 1988	2,516 days	July 18, 1904 to June 8, 1911

Days At or Above 100°

Most Days

Year

Longest Period
Below 100°

Dates

1936

4,374 days

July 19, 1954 to July 9, 1996

1934

3,991 days *

July 16, 2012 to July 31, 2023

1887

3,662 days

July 14, 1995 to July 23, 2005

1983

2,518 days

August 19, 1988 to July 12, 1995

1913, 1930,
1931, 1988

2,516 days

July 18, 1904 to June 8, 1911

**Consecutive Days with Highs 90° or Higher**
Number of Days	Dates
21	July 11-31, 1916
20	July 9-28, 1901
18	July 17-August 3, 1987
17	July 5-21, 1887
17	July 2-18, 1936
17	August 11-27, 1936

Consecutive Days with Highs 90° or Higher

Number of Days

Dates

July 11-31, 1916

July 9-28, 1901

July 17-August 3, 1987

July 5-21, 1887

July 2-18, 1936

August 11-27, 1936

**Consecutive Days with Highs 100° or Higher**
Number of Days	Dates
14	July 4-17, 1936
7	June 26-July 1, 1931
6	July 20-25, 1934
5	July 21-25, 1901
5	July 26-30, 1916

Consecutive Days with Highs 100° or Higher

Number of Days

Dates

July 4-17, 1936

June 26-July 1, 1931

July 20-25, 1934

July 21-25, 1901

July 26-30, 1916

**Most Recent Occurrences of Highs 100° or Higher**
Date	High Temperature (°F)
July 25, 2012	102
July 23, 2012	104
July 7, 2012	104
July 6, 2012	103

Most Recent Occurrences of Highs 100° or Higher

Date

High Temperature (°F)

July 25, 2012

102

July 23, 2012

104

July 7, 2012

104

July 6, 2012

103

**Earliest and Latest Occurrences of Indicated Temperatures**
Temperature	Earliest 1st Occurrence	Latest 1st Occurrence	Latest Last Occurrence
70	Jan. 23, 1909	Apr. 27, 1951	Dec. 28, 1984
80	Mar. 12, 1990	May 30, 1995	Nov. 1: 1888, 1933, '37, '50, 2000
90	Apr. 10, 1930	Aug. 14, 2000	Oct. 15, 1897
100	May 31, 1934	Several years without 100°	Sep. 15, 1939

Earliest and Latest Occurrences of Indicated Temperatures

Temperature

Earliest 1st Occurrence

Latest 1st Occurrence

Latest Last Occurrence

Jan. 23, 1909

Apr. 27, 1951

Dec. 28, 1984

Mar. 12, 1990

May 30, 1995

Nov. 1: 1888, 1933, '37, '50, 2000

Apr. 10, 1930

Aug. 14, 2000

Oct. 15, 1897

100

May 31, 1934

Several years
without 100°

Sep. 15, 1939

**Monthly Records for Highs 90° or Higher**
MAY	JUNE	JULY	AUGUST	SEPTEMBER	OCTOBER
10 days (1934)	22 days (1933)	26 days (1887, 1901, 2012)	23 days (1947)	13 days (1897)	3 days (1922)
8 days (1911)	18 days (1895)	24 days (1916)	22 days (1936)	12 days (1931, 1933, 1939)	2 days (2006)
7 days (1895, 1896, 1921)	17 days (1891, 1901, 1934)	23 days (1936, 1983)	20 days (1899, 1900, 1913, 1983)	10 days (1891, 1908, 1925)	1 day (several years, last in 2007)
5 days (1887, 1904, 1910, 2012)	16 days (1890)	22 days (1933)	19 days (1937)	9 days (several years, last in 2007)
4 days (several years, last in 2014)	15 days (1887, 1971, 1988, 2005)	21 days (1919, 1921, 1934, 1988)	17 days (1988)	8 days (several years, last in 2015)

Monthly Records for Highs 90° or Higher

MAY

JUNE

JULY

AUGUST

SEPTEMBER

OCTOBER

10 days (1934)

22 days (1933)

26 days
(1887, 1901, 2012)

23 days (1947)

13 days (1897)

3 days (1922)

8 days (1911)

18 days (1895)

24 days (1916)

22 days (1936)

12 days
(1931, 1933, 1939)

2 days (2006)

7 days
(1895, 1896, 1921)

17 days
(1891, 1901, 1934)

23 days (1936, 1983)

20 days
(1899, 1900, 1913, 1983)

10 days
(1891, 1908, 1925)

1 day (several years, last in 2007)

5 days
(1887, 1904, 1910, 2012)

16 days (1890)

22 days (1933)

19 days (1937)

9 days (several years,
last in 2007)

4 days (several years,
last in 2014)

15 days
(1887, 1971, 1988, 2005)

21 days
(1919, 1921, 1934, 1988)

17 days (1988)

8 days (several years,
last in 2015)