All-time weather records — Danbury, IA

Record high
106.0°F
July 29, 1947
Record low
-35.0°F
February 16, 2021
Wettest day
36.00 in
February 15, 1982

Climate change signal in Danbury

15%

of Danbury's all-time daily heat records were set in the last decade (55 of 366 records since 2015).

10.7%

of all-time daily cold records were set in the last decade (39 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 #
1930s
36
9
1940s
49
49
1950s
33
52
1960s
22
42
1970s
25
48
1980s
50
39
1990s
30
31
2000s
41
27
2010s
42
44
2020s
38
25

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 1938, the latest in 2026. Period of observation: 1937-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 27, 2002 -32.1°F — Jan 21, 1970 1.63 in — Jan 30, 1947
February 75.9°F — Feb 27, 2024 -35.0°F — Feb 16, 2021 36.00 in — Feb 15, 1982
March 93.0°F — Mar 22, 2026 -25.1°F — Mar 11, 1948 2.01 in — Mar 23, 1987
April 96.1°F — Apr 22, 1980 -0.9°F — Apr 3, 1975 2.95 in — Apr 27, 1986
May 100.9°F — May 25, 1967 23.0°F — May 2, 1961 3.38 in — May 27, 2014
June 104.0°F — Jun 21, 1988 36.0°F — Jun 3, 1945 4.54 in — Jun 4, 1940
July 106.0°F — Jul 29, 1947 42.1°F — Jul 28, 2013 9.77 in — Jul 17, 1996
August 104.0°F — Aug 15, 1988 36.0°F — Aug 20, 1950 4.15 in — Aug 1, 1944
September 104.0°F — Sep 6, 1939 21.9°F — Sep 28, 1942 3.34 in — Sep 12, 1982
October 93.9°F — Oct 1, 2023 10.0°F — Oct 31, 1993 2.80 in — Oct 30, 1979
November 81.0°F — Nov 9, 2006 -16.1°F — Nov 21, 1937 2.11 in — Nov 12, 2015
December 69.1°F — Dec 16, 2021 -27.9°F — Dec 23, 1989 2.07 in — Dec 14, 2015

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