All-time weather records — Modesto, CA

Record high
113.0°F
July 23, 2006
Record low
0.1°F
November 13, 2020
Wettest day
2.72 in
March 4, 1978

Climate change signal in Modesto

17.8%

of Modesto's all-time daily heat records were set in the last decade (65 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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
·
·
1910s
·
·
1920s
9
60
1930s
36
99
1940s
10
80
1950s
39
40
1960s
31
53
1970s
30
13
1980s
41
7
1990s
46
3
2000s
48
2
2010s
39
5
2020s
37
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 1927, the latest in 2026. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 17, 1998 18.0°F — Jan 11, 1949 2.49 in — Jan 27, 2021
February 80.1°F — Feb 27, 1992 24.1°F — Feb 2, 1950 1.91 in — Feb 3, 1998
March 91.0°F — Mar 18, 2026 27.0°F — Mar 2, 1971 2.72 in — Mar 4, 1978
April 100.0°F — Apr 30, 1981 30.0°F — Apr 7, 1929 2.01 in — Apr 2, 1958
May 107.1°F — May 17, 2009 32.0°F — May 5, 1959 1.67 in — May 12, 1998
June 111.9°F — Jun 15, 1961 39.0°F — Jun 7, 1950 1.14 in — Jun 8, 2000
July 113.0°F — Jul 23, 2006 46.0°F — Jul 8, 1935 0.65 in — Jul 9, 1974
August 111.0°F — Aug 16, 2020 39.0°F — Aug 12, 1990 0.59 in — Aug 18, 1975
September 111.9°F — Sep 6, 2022 39.9°F — Sep 26, 1948 1.86 in — Sep 18, 1959
October 104.0°F — Oct 2, 2024 28.9°F — Oct 31, 1935 1.75 in — Oct 7, 1973
November 88.0°F — Nov 2, 1997 0.1°F — Nov 13, 2020 2.25 in — Nov 28, 1970
December 75.0°F — Dec 1, 1977 18.0°F — Dec 13, 1932 2.18 in — Dec 11, 2014

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