All-time weather records — Dewey-Humboldt, AZ

Record high
105.1°F
June 16, 2021
Record low
-20.9°F
January 22, 1937
Wettest day
4.28 in
November 27, 1919

Climate change signal in Dewey-Humboldt

19.4%

of Dewey-Humboldt's all-time daily heat records were set in the last decade (71 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
15
37
1900s
20
55
1910s
23
36
1920s
41
71
1930s
60
48
1940s
19
26
1950s
18
23
1960s
15
28
1970s
17
26
1980s
18
3
1990s
15
4
2000s
21
4
2010s
32
1
2020s
52
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 1898, the latest in 2026. Period of observation: 1898-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.0°F — Jan 5, 1927 -20.9°F — Jan 22, 1937 2.97 in — Jan 22, 2010
February 77.0°F — Feb 27, 1986 -11.9°F — Feb 6, 1899 3.81 in — Feb 7, 1937
March 91.9°F — Mar 20, 2026 1.9°F — Mar 1, 1913 3.21 in — Mar 3, 1938
April 89.1°F — Apr 30, 2020 10.9°F — Apr 16, 1924 3.40 in — Apr 17, 1917
May 97.0°F — May 29, 1910 5.0°F — May 3, 1899 1.78 in — May 9, 2019
June 105.1°F — Jun 16, 2021 25.0°F — Jun 2, 1899 1.35 in — Jun 26, 1954
July 105.1°F — Jul 17, 1925 34.0°F — Jul 3, 1912 3.12 in — Jul 19, 2018
August 102.9°F — Aug 1, 2020 32.0°F — Aug 23, 1968 3.15 in — Aug 22, 1960
September 98.1°F — Sep 1, 1950 26.1°F — Sep 10, 2000 3.08 in — Sep 24, 1983
October 93.9°F — Oct 2, 2024 12.9°F — Oct 31, 1935 2.40 in — Oct 6, 1916
November 82.9°F — Nov 16, 1933 -0.9°F — Nov 24, 1931 4.28 in — Nov 27, 1919
December 78.1°F — Dec 2, 1926 -9.0°F — Dec 13, 1931 3.13 in — Dec 30, 1951

Click a month to see every daily record for that month in Dewey-Humboldt.