All-time weather records — Avalon, CA

Record high
109.9°F
September 6, 2020
Record low
-41.1°F
November 7, 2000
Wettest day
4.44 in
December 28, 2004

Climate change signal in Avalon

38%

of Avalon's all-time daily heat records were set in the last decade (139 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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 #
1940s
21
111
1950s
26
101
1960s
67
56
1970s
·
6
2000s
74
43
2010s
102
40
2020s
76
9

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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 84.9°F — Jan 15, 2021 28.9°F — Jan 11, 1949 2.81 in — Jan 22, 2017
February 87.1°F — Feb 3, 1963 32.0°F — Feb 13, 1949 2.28 in — Feb 11, 2005
March 91.0°F — Mar 17, 2026 18.0°F — Mar 26, 1976 3.02 in — Mar 15, 2003
April 91.9°F — Apr 27, 2004 39.0°F — Apr 1, 1967 1.08 in — Apr 28, 2005
May 96.1°F — May 15, 1967 43.0°F — May 1, 1951 0.55 in — May 22, 2006
June 102.0°F — Jun 20, 2016 36.0°F — Jun 26, 2011 0.26 in — Jun 21, 2019
July 106.0°F — Jul 6, 2018 48.9°F — Jul 5, 1951 0.33 in — Jul 18, 2015
August 102.9°F — Aug 29, 1967 39.9°F — Aug 4, 2019 4.04 in — Aug 20, 2023
September 109.9°F — Sep 6, 2020 48.0°F — Sep 25, 1948 1.16 in — Sep 17, 1963
October 99.0°F — Oct 1, 2020 41.0°F — Oct 19, 1949 1.43 in — Oct 19, 2010
November 100.0°F — Nov 25, 2014 -41.1°F — Nov 7, 2000 2.60 in — Nov 21, 1967
December 84.0°F — Dec 1, 2021 34.0°F — Dec 14, 1967 4.44 in — Dec 28, 2004

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