All-time weather records — Dunsmuir, CA

Record high
109.0°F
July 30, 2022
Record low
3.9°F
December 21, 1990
Wettest day
6.44 in
December 31, 1996

Climate change signal in Dunsmuir

21.3%

of Dunsmuir's all-time daily heat records were set in the last decade (78 of 366 records since 2015).

18.6%

of all-time daily cold records were set in the last decade (68 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
7
13
1980s
114
70
1990s
66
100
2000s
82
68
2010s
40
77
2020s
57
38

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

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 22, 2011 12.0°F — Jan 14, 1997 5.99 in — Jan 8, 1995
February 78.1°F — Feb 26, 1986 8.1°F — Feb 8, 1989 5.61 in — Feb 7, 2015
March 86.0°F — Mar 18, 2026 18.0°F — Mar 3, 2024 4.95 in — Mar 8, 1995
April 91.9°F — Apr 13, 1985 21.9°F — Apr 8, 1982 2.90 in — Apr 12, 2003
May 99.0°F — May 28, 1984 17.1°F — May 14, 1999 4.20 in — May 22, 1990
June 105.1°F — Jun 28, 2021 33.1°F — Jun 3, 2011 3.06 in — Jun 17, 2005
July 109.0°F — Jul 30, 2022 39.0°F — Jul 22, 1999 0.93 in — Jul 31, 2025
August 109.0°F — Aug 8, 1981 41.0°F — Aug 25, 2024 1.54 in — Aug 22, 2023
September 106.0°F — Sep 3, 1988 30.9°F — Sep 10, 1998 2.65 in — Sep 10, 1978
October 99.0°F — Oct 2, 1980 25.0°F — Oct 27, 2010 4.62 in — Oct 25, 1979
November 81.0°F — Nov 3, 2020 18.0°F — Nov 13, 1985 4.89 in — Nov 30, 2012
December 77.0°F — Dec 10, 1995 3.9°F — Dec 21, 1990 6.44 in — Dec 31, 1996

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