All-time weather records — Dawson, IA

Record high
111.0°F
August 8, 1934
Record low
-34.1°F
December 10, 1919
Wettest day
7.57 in
June 13, 1926

Climate change signal in Dawson

10.1%

of Dawson's all-time daily heat records were set in the last decade (37 of 366 records since 2015).

2.7%

of all-time daily cold records were set in the last decade (10 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 #
1900s
20
32
1910s
40
38
1920s
25
51
1930s
78
51
1940s
30
30
1950s
21
26
1960s
14
27
1970s
10
35
1980s
28
30
1990s
25
22
2000s
24
8
2010s
27
11
2020s
24
5

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 1901, the latest in 2026. Period of observation: 1900-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 27, 2002 -32.1°F — Jan 12, 1974 1.50 in — Jan 22, 1908
February 77.0°F — Feb 27, 2024 -33.0°F — Feb 9, 1979 1.48 in — Feb 8, 1928
March 89.1°F — Mar 25, 1907 -29.9°F — Mar 1, 1962 1.88 in — Mar 8, 1990
April 95.0°F — Apr 23, 1980 6.1°F — Apr 5, 1982 3.40 in — Apr 27, 2009
May 105.1°F — May 30, 1934 3.0°F — May 5, 1911 4.08 in — May 23, 2004
June 105.1°F — Jun 23, 1934 34.0°F — Jun 3, 1946 7.57 in — Jun 13, 1926
July 109.9°F — Jul 24, 1901 6.1°F — Jul 1, 1926 4.55 in — Jul 11, 2006
August 111.0°F — Aug 8, 1934 34.0°F — Aug 25, 1934 4.83 in — Aug 6, 1963
September 104.0°F — Sep 7, 1939 21.9°F — Sep 28, 1942 4.10 in — Sep 8, 2001
October 95.0°F — Oct 5, 1963 -8.0°F — Oct 30, 1925 2.57 in — Oct 17, 1902
November 82.9°F — Nov 1, 1968 -13.0°F — Nov 7, 1991 3.35 in — Nov 23, 1931
December 73.0°F — Dec 16, 2021 -34.1°F — Dec 10, 1919 2.12 in — Dec 14, 2015

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