All-time weather records — Chico, CA

Record high
117.0°F
July 15, 1972
Record low
1.0°F
February 1, 2010
Wettest day
5.73 in
January 3, 1916

Climate change signal in Chico

8.2%

of Chico's all-time daily heat records were set in the last decade (30 of 366 records since 2015).

1.4%

of all-time daily cold records were set in the last decade (5 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 #
1900s
20
29
1910s
76
75
1920s
35
63
1930s
45
27
1940s
20
19
1950s
21
31
1960s
24
18
1970s
17
28
1980s
17
38
1990s
22
16
2000s
33
5
2010s
20
14
2020s
16
3

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 1906, the latest in 2026. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 79.0°F — Jan 19, 2021 1.9°F — Jan 19, 1987 5.73 in — Jan 3, 1916
February 82.9°F — Feb 11, 2022 1.0°F — Feb 1, 2010 4.35 in — Feb 3, 1998
March 93.0°F — Mar 17, 1914 3.9°F — Mar 25, 1996 4.10 in — Mar 7, 2016
April 98.1°F — Apr 22, 2009 27.0°F — Apr 17, 1922 3.52 in — Apr 5, 1926
May 108.0°F — May 30, 1910 32.0°F — May 1, 1913 1.97 in — May 16, 2019
June 115.0°F — Jun 15, 1961 28.0°F — Jun 2, 1985 1.38 in — Jun 6, 1993
July 117.0°F — Jul 15, 1972 39.9°F — Jul 12, 1981 0.94 in — Jul 8, 1974
August 116.1°F — Aug 1, 1914 35.1°F — Aug 13, 1988 0.92 in — Aug 11, 1965
September 115.0°F — Sep 7, 2022 35.1°F — Sep 27, 1986 2.20 in — Sep 27, 1957
October 107.1°F — Oct 3, 2001 23.0°F — Oct 29, 1971 5.50 in — Oct 16, 1982
November 91.0°F — Nov 8, 2000 19.9°F — Nov 12, 1916 3.82 in — Nov 18, 1920
December 78.1°F — Dec 1, 2008 10.9°F — Dec 11, 1932 5.28 in — Dec 31, 2022

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