All-time weather records — Williams, AZ

Record high
102.0°F
July 1, 1909
Record low
-25.1°F
January 22, 1937
Wettest day
3.98 in
December 29, 2004

Climate change signal in Williams

11.7%

of Williams's all-time daily heat records were set in the last decade (43 of 366 records since 2015).

1.6%

of all-time daily cold records were set in the last decade (6 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
1
8
1900s
43
23
1910s
62
48
1920s
45
95
1930s
48
94
1940s
40
40
1950s
12
4
1960s
10
13
1970s
15
20
1980s
16
3
1990s
13
7
2000s
15
1
2010s
9
5
2020s
37
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 1899, the latest in 2026. Period of observation: 1897-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 31, 1976 -25.1°F — Jan 22, 1937 2.60 in — Jan 11, 1930
February 73.9°F — Feb 28, 1976 -18.0°F — Feb 6, 1899 3.51 in — Feb 20, 1993
March 84.9°F — Mar 19, 2026 -6.0°F — Mar 4, 1932 3.25 in — Mar 23, 2023
April 87.1°F — Apr 25, 1910 1.9°F — Apr 1, 1912 2.00 in — Apr 2, 1946
May 91.9°F — May 11, 1934 8.1°F — May 11, 1933 1.30 in — May 3, 1908
June 100.0°F — Jun 26, 1970 21.9°F — Jun 1, 1908 2.50 in — Jun 13, 1955
July 102.0°F — Jul 1, 1909 32.0°F — Jul 1, 1927 2.75 in — Jul 31, 2010
August 100.9°F — Aug 2, 1902 32.0°F — Aug 25, 1979 2.47 in — Aug 29, 1951
September 93.0°F — Sep 1, 1929 10.9°F — Sep 26, 1934 2.71 in — Sep 18, 1965
October 86.0°F — Oct 1, 2024 7.0°F — Oct 31, 1929 2.50 in — Oct 30, 1991
November 80.1°F — Nov 28, 1903 -7.1°F — Nov 23, 1931 2.76 in — Nov 3, 1957
December 86.0°F — Dec 22, 2008 -17.0°F — Dec 13, 1931 3.98 in — Dec 29, 2004

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