All-time weather records — Ukiah, CA

Record high
115.0°F
September 3, 1955
Record low
-54.0°F
October 1, 1924
Wettest day
6.18 in
December 22, 1964

Climate change signal in Ukiah

0%

of Ukiah's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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
5
36
1900s
28
67
1910s
42
77
1920s
50
120
1930s
55
16
1940s
26
16
1950s
54
6
1960s
37
3
1970s
32
9
1980s
26
3
1990s
6
9
2000s
5
4
2010s
·
·

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 1895, the latest in 2009. Period of observation: 1893-2013.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 27, 1984 12.0°F — Jan 12, 1898 5.66 in — Jan 16, 1974
February 86.0°F — Feb 26, 1932 18.0°F — Feb 6, 1989 4.65 in — Feb 24, 1958
March 93.0°F — Mar 17, 1914 21.9°F — Mar 4, 1923 5.74 in — Mar 9, 1995
April 98.1°F — Apr 25, 1926 23.0°F — Apr 1, 1906 2.30 in — Apr 23, 1983
May 105.1°F — May 28, 1984 25.0°F — May 26, 1995 2.11 in — May 27, 1990
June 114.1°F — Jun 14, 1961 5.0°F — Jun 18, 1995 1.30 in — Jun 2, 1967
July 114.1°F — Jul 14, 1972 39.0°F — Jul 11, 1898 0.73 in — Jul 8, 1974
August 114.1°F — Aug 7, 1908 37.9°F — Aug 12, 1918 0.79 in — Aug 20, 1997
September 115.0°F — Sep 3, 1955 30.0°F — Sep 18, 1902 2.25 in — Sep 27, 1957
October 105.1°F — Oct 1, 1952 -54.0°F — Oct 1, 1924 3.19 in — Oct 12, 1962
November 91.9°F — Nov 1, 1966 -47.9°F — Nov 21, 1924 3.85 in — Nov 18, 1920
December 86.0°F — Dec 7, 1900 12.9°F — Dec 9, 1972 6.18 in — Dec 22, 1964

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