All-time weather records — Dowell, IL

Record high
113.0°F
July 25, 1934
Record low
-22.0°F
January 13, 1912
Wettest day
6.70 in
November 14, 1993

Climate change signal in Dowell

5.2%

of Dowell's all-time daily heat records were set in the last decade (19 of 366 records since 2015).

0.8%

of all-time daily cold records were set in the last decade (3 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1890s
4
14
1900s
43
33
1910s
51
41
1920s
43
61
1930s
89
31
1940s
23
33
1950s
24
17
1960s
7
34
1970s
14
41
1980s
15
35
1990s
9
14
2000s
12
4
2010s
21
7
2020s
11
1

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1899, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 24, 1943 -22.0°F — Jan 13, 1912 2.96 in — Jan 19, 1990
February 79.0°F — Feb 10, 1932 -20.9°F — Feb 12, 1899 4.25 in — Feb 26, 1945
March 91.9°F — Mar 23, 1910 -9.9°F — Mar 5, 1978 5.18 in — Mar 18, 2008
April 91.9°F — Apr 11, 1930 19.9°F — Apr 5, 1898 4.97 in — Apr 28, 1996
May 97.0°F — May 20, 1902 28.9°F — May 1, 1903 4.96 in — May 18, 1995
June 106.0°F — Jun 25, 1988 39.0°F — Jun 16, 1917 5.25 in — Jun 29, 1998
July 113.0°F — Jul 25, 1934 46.9°F — Jul 23, 1947 6.60 in — Jul 21, 1905
August 113.0°F — Aug 9, 1930 43.0°F — Aug 29, 1986 5.38 in — Aug 17, 1959
September 108.0°F — Sep 6, 1925 27.0°F — Sep 29, 1899 4.56 in — Sep 23, 1993
October 96.1°F — Oct 2, 1953 0.0°F — Oct 4, 1988 4.60 in — Oct 4, 1910
November 84.9°F — Nov 1, 2016 -4.0°F — Nov 30, 1929 6.70 in — Nov 14, 1993
December 75.9°F — Dec 17, 1908 -15.0°F — Dec 20, 1901 3.71 in — Dec 3, 1982

Click a month to see every daily record for that month in Dowell.