All-time weather records — Arroyo Grande, CA

Record high
108.0°F
August 28, 1962
Record low
21.0°F
December 3, 1986
Wettest day
20.05 in
October 19, 1982

Climate change signal in Arroyo Grande

0%

of Arroyo Grande'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 #
1940s
5
19
1950s
68
69
1960s
46
83
1970s
76
46
1980s
92
96
1990s
54
49
2000s
25
4

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 1949, the latest in 2005. Period of observation: 1949-2006.

Records by month

Month Hottest day Coldest day Wettest day
January 84.9°F — Jan 18, 1971 24.1°F — Jan 4, 1950 5.16 in — Jan 19, 1969
February 97.0°F — Feb 8, 1988 28.0°F — Feb 16, 1990 2.16 in — Feb 1, 1960
March 90.0°F — Mar 11, 1989 23.0°F — Mar 23, 1963 2.57 in — Mar 15, 1958
April 100.9°F — Apr 7, 1989 27.0°F — Apr 16, 1988 2.20 in — Apr 1, 1958
May 100.0°F — May 15, 1970 30.0°F — May 17, 1988 2.50 in — May 13, 1998
June 99.0°F — Jun 25, 1976 37.0°F — Jun 7, 1999 0.49 in — Jun 16, 1995
July 104.0°F — Jul 10, 1953 37.9°F — Jul 7, 1987 0.59 in — Jul 10, 1950
August 108.0°F — Aug 28, 1962 39.0°F — Aug 28, 1963 0.27 in — Aug 18, 1983
September 102.9°F — Sep 3, 1982 30.0°F — Sep 20, 1988 1.61 in — Sep 30, 1976
October 99.0°F — Oct 19, 1964 27.0°F — Oct 27, 1986 20.05 in — Oct 19, 1982
November 91.0°F — Nov 9, 1955 28.9°F — Nov 17, 1958 2.25 in — Nov 14, 1953
December 91.9°F — Dec 2, 1958 21.0°F — Dec 3, 1986 2.21 in — Dec 24, 1955

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