All-time weather records — Yountville, CA

Record high
116.1°F
July 13, 1972
Record low
12.9°F
December 22, 1990
Wettest day
20.00 in
July 7, 1982

Climate change signal in Yountville

5.7%

of Yountville's all-time daily heat records were set in the last decade (21 of 366 records since 2015).

0.8%

of all-time daily cold records were set in the last decade (3 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 #
1890s
40
25
1900s
7
5
1950s
25
139
1960s
60
83
1970s
91
60
1980s
55
33
1990s
24
10
2000s
34
4
2010s
13
6
2020s
17
1

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 1894, the latest in 2024. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 84.0°F — Jan 8, 1962 19.9°F — Jan 2, 1960 6.75 in — Jan 4, 1982
February 98.1°F — Feb 26, 1894 19.9°F — Feb 7, 1989 3.94 in — Feb 14, 1986
March 95.0°F — Mar 5, 1894 24.1°F — Mar 3, 1966 2.90 in — Mar 9, 1995
April 100.0°F — Apr 28, 1981 15.1°F — Apr 1, 1983 2.80 in — Apr 27, 1953
May 105.1°F — May 12, 1976 27.0°F — May 5, 1952 1.64 in — May 27, 1990
June 111.9°F — Jun 14, 1961 30.9°F — Jun 12, 1952 1.82 in — Jun 2, 1967
July 116.1°F — Jul 13, 1972 35.1°F — Jul 22, 1894 20.00 in — Jul 7, 1982
August 108.0°F — Aug 3, 1998 25.0°F — Aug 26, 1894 0.98 in — Aug 20, 1997
September 109.9°F — Sep 1, 1955 34.0°F — Sep 20, 1965 2.70 in — Sep 18, 1959
October 107.1°F — Oct 2, 1980 30.0°F — Oct 18, 1971 4.38 in — Oct 12, 1962
November 91.0°F — Nov 1, 1985 21.9°F — Nov 13, 1985 5.40 in — Nov 21, 1977
December 80.1°F — Dec 26, 1967 12.9°F — Dec 22, 1990 4.36 in — Dec 31, 2005

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