All-time weather records — Napoleon, IN

Record high
1413.0°F
March 31, 1937
Record low
-35.0°F
February 2, 1951
Wettest day
5.00 in
June 8, 2008

Climate change signal in Napoleon

4.6%

of Napoleon's all-time daily heat records were set in the last decade (17 of 366 records since 2015).

1.1%

of all-time daily cold records were set in the last decade (4 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
6
11
1900s
33
24
1910s
32
29
1920s
25
28
1930s
75
12
1940s
35
15
1950s
35
65
1960s
21
113
1970s
14
34
1980s
12
22
1990s
10
7
2000s
25
·
2010s
38
5
2020s
5
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 1897, the latest in 2020. Period of observation: 1896-2021.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 24, 1943 -34.1°F — Jan 28, 1963 4.60 in — Jan 21, 1959
February 75.9°F — Feb 20, 2018 -35.0°F — Feb 2, 1951 3.15 in — Feb 14, 1908
March 1413.0°F — Mar 31, 1937 -13.0°F — Mar 6, 1960 4.65 in — Mar 5, 1897
April 91.9°F — Apr 30, 1942 12.9°F — Apr 1, 1964 4.00 in — Apr 29, 1996
May 93.9°F — May 31, 1934 21.9°F — May 1, 1963 2.79 in — May 22, 1903
June 100.9°F — Jun 26, 1954 30.0°F — Jun 1, 1966 5.00 in — Jun 8, 2008
July 106.0°F — Jul 14, 1936 42.1°F — Jul 16, 1967 4.82 in — Jul 17, 1912
August 105.1°F — Aug 19, 1936 35.1°F — Aug 3, 1982 5.00 in — Aug 29, 2006
September 104.0°F — Sep 2, 1953 26.1°F — Sep 30, 1899 3.58 in — Sep 1, 1902
October 91.9°F — Oct 2, 1953 12.9°F — Oct 21, 1952 4.02 in — Oct 5, 1910
November 82.0°F — Nov 1, 1950 -11.9°F — Nov 30, 1958 2.93 in — Nov 19, 1948
December 79.0°F — Dec 19, 1927 -23.1°F — Dec 20, 1963 2.90 in — Dec 28, 1922

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