All-time weather records — Ukiah, OR

Record high
97.3°F
June 29, 2021
Record low
-24.2°F
December 29, 1990
Wettest day
3.50 in
May 20, 2020

Climate change signal in Ukiah

35%

of Ukiah's all-time daily heat records were set in the last decade (128 of 366 records since 2015).

27.3%

of all-time daily cold records were set in the last decade (100 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 #
1970s
·
·
1980s
·
·
1990s
99
111
2000s
106
103
2010s
81
100
2020s
80
52

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 1990, the latest in 2026. Period of observation: 1978-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.9°F — Jan 25, 2015 -23.6°F — Jan 5, 2004 1.60 in — Jan 16, 1982
February 63.1°F — Feb 5, 2026 -10.8°F — Feb 8, 1994 1.50 in — Feb 2, 1982
March 68.0°F — Mar 18, 2026 -0.2°F — Mar 3, 2019 2.00 in — Mar 20, 1980
April 74.7°F — Apr 23, 2012 12.0°F — Apr 1, 2008 1.50 in — Apr 25, 1989
May 82.2°F — May 12, 1993 18.9°F — May 8, 2002 3.50 in — May 20, 2020
June 97.3°F — Jun 29, 2021 23.4°F — Jun 4, 1991 1.50 in — Jun 4, 2009
July 93.9°F — Jul 13, 2002 31.5°F — Jul 3, 2018 1.00 in — Jul 4, 1986
August 94.3°F — Aug 9, 2018 29.5°F — Aug 25, 1993 1.80 in — Aug 16, 1993
September 93.9°F — Sep 2, 2022 20.3°F — Sep 23, 2000 1.00 in — Sep 4, 2015
October 82.9°F — Oct 9, 1996 0.3°F — Oct 31, 2002 2.20 in — Oct 9, 2018
November 67.5°F — Nov 8, 2004 -8.0°F — Nov 24, 1993 1.80 in — Nov 27, 1995
December 57.6°F — Dec 1, 2021 -24.2°F — Dec 29, 1990 1.70 in — Dec 4, 1978

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