All-time weather records — Monte Sereno, CA

Record high
114.1°F
June 14, 1961
Record low
0.0°F
June 22, 2000
Wettest day
8.48 in
December 23, 1955

Climate change signal in Monte Sereno

1.4%

of Monte Sereno's all-time daily heat records were set in the last decade (5 of 366 records since 2015).

0.5%

of all-time daily cold records were set in the last decade (2 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
6
20
1900s
13
20
1910s
23
22
1920s
22
14
1930s
38
70
1940s
15
32
1950s
71
25
1960s
61
35
1970s
46
67
1980s
25
23
1990s
14
20
2000s
22
12
2010s
10
6

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 1893, the latest in 2016. Period of observation: 1893-2019.

Records by month

Month Hottest day Coldest day Wettest day
January 79.0°F — Jan 8, 1962 18.0°F — Jan 11, 1949 6.85 in — Jan 21, 1943
February 82.0°F — Feb 17, 1930 6.1°F — Feb 22, 1995 4.90 in — Feb 24, 1917
March 99.0°F — Mar 27, 1926 27.0°F — Mar 2, 1953 4.00 in — Mar 15, 1899
April 96.1°F — Apr 29, 1981 19.9°F — Apr 24, 2009 3.70 in — Apr 29, 1901
May 102.9°F — May 30, 1910 34.0°F — May 1, 1910 1.90 in — May 7, 1905
June 114.1°F — Jun 14, 1961 0.0°F — Jun 22, 2000 1.15 in — Jun 4, 2011
July 113.0°F — Jul 14, 1972 37.0°F — Jul 26, 1977 0.78 in — Jul 2, 1980
August 107.1°F — Aug 11, 1959 39.0°F — Aug 27, 1978 0.77 in — Aug 30, 1896
September 109.0°F — Sep 2, 1955 37.9°F — Sep 18, 1978 4.35 in — Sep 12, 1918
October 102.9°F — Oct 2, 1980 30.9°F — Oct 29, 1971 8.34 in — Oct 13, 1962
November 87.1°F — Nov 10, 1955 21.9°F — Nov 19, 2009 4.70 in — Nov 21, 1900
December 82.9°F — Dec 2, 1958 16.0°F — Dec 22, 1990 8.48 in — Dec 23, 1955

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