All-time weather records — Bloomington, IN

Record high
109.9°F
July 14, 1936
Record low
-49.0°F
February 22, 1922
Wettest day
6.56 in
March 25, 1913

Climate change signal in Bloomington

4.4%

of Bloomington's all-time daily heat records were set in the last decade (16 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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
12
18
1900s
33
22
1910s
54
69
1920s
39
67
1930s
66
19
1940s
32
25
1950s
30
17
1960s
13
31
1970s
17
19
1980s
17
29
1990s
16
22
2000s
13
9
2010s
15
15
2020s
9
4

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 1896, the latest in 2026. Period of observation: 1895-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 25, 1950 -20.9°F — Jan 21, 1985 3.38 in — Jan 21, 1937
February 75.9°F — Feb 10, 1932 -49.0°F — Feb 22, 1922 3.30 in — Feb 8, 2019
March 87.1°F — Mar 18, 1984 -2.0°F — Mar 2, 1980 6.56 in — Mar 25, 1913
April 91.0°F — Apr 24, 1925 17.1°F — Apr 1, 1923 3.65 in — Apr 29, 1996
May 97.0°F — May 28, 1911 21.0°F — May 1, 1994 3.50 in — May 5, 2003
June 104.0°F — Jun 29, 2012 36.0°F — Jun 3, 1910 5.80 in — Jun 30, 2025
July 109.9°F — Jul 14, 1936 46.0°F — Jul 26, 1911 5.50 in — Jul 13, 1979
August 104.0°F — Aug 7, 1930 41.0°F — Aug 31, 1915 4.97 in — Aug 13, 1925
September 102.9°F — Sep 6, 1922 26.1°F — Sep 30, 1899 4.36 in — Sep 9, 2018
October 96.1°F — Oct 4, 1954 17.1°F — Oct 29, 1925 4.15 in — Oct 5, 2000
November 84.0°F — Nov 1, 1950 -2.0°F — Nov 30, 1958 3.16 in — Nov 3, 1936
December 73.9°F — Dec 3, 1982 -20.0°F — Dec 22, 1989 3.82 in — Dec 22, 2013

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