All-time weather records — Brunsville, IA

Record high
111.0°F
July 17, 1936
Record low
-36.9°F
January 12, 1912
Wettest day
30.00 in
March 27, 1940

Climate change signal in Brunsville

9.8%

of Brunsville's all-time daily heat records were set in the last decade (36 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
4
17
1900s
3
47
1910s
8
40
1920s
25
38
1930s
100
22
1940s
19
18
1950s
29
25
1960s
20
64
1970s
29
22
1980s
31
15
1990s
17
26
2000s
24
11
2010s
30
11
2020s
27
10

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 2026. Period of observation: 1896-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 26, 2002 -36.9°F — Jan 12, 1912 1.40 in — Jan 22, 1982
February 73.0°F — Feb 27, 2024 -35.0°F — Feb 2, 1905 1.63 in — Feb 28, 1951
March 93.0°F — Mar 22, 2026 -26.0°F — Mar 5, 1960 30.00 in — Mar 27, 1940
April 96.1°F — Apr 21, 1980 -2.0°F — Apr 3, 1975 2.56 in — Apr 22, 1985
May 108.0°F — May 30, 1934 17.1°F — May 1, 1907 2.41 in — May 7, 1930
June 106.0°F — Jun 10, 1933 33.1°F — Jun 3, 1969 5.20 in — Jun 21, 1996
July 111.0°F — Jul 17, 1936 37.9°F — Jul 5, 1972 5.39 in — Jul 15, 1900
August 108.0°F — Aug 3, 1930 35.1°F — Aug 28, 1935 8.76 in — Aug 29, 1985
September 102.9°F — Sep 6, 1976 21.9°F — Sep 22, 1913 5.50 in — Sep 11, 1900
October 97.0°F — Oct 2, 2000 -7.1°F — Oct 30, 1925 3.13 in — Oct 30, 1979
November 80.1°F — Nov 8, 1999 -24.0°F — Nov 14, 1959 2.20 in — Nov 23, 1905
December 68.0°F — Dec 1, 1998 -33.0°F — Dec 29, 1917 2.15 in — Dec 20, 1902

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