All-time weather records — Menlo Park, CA

Record high
107.1°F
June 15, 1961
Record low
-2.9°F
October 21, 2008
Wettest day
3.75 in
February 3, 1998

Climate change signal in Menlo Park

4.4%

of Menlo Park's all-time daily heat records were set in the last decade (16 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 #
1950s
67
69
1960s
48
93
1970s
77
58
1980s
53
49
1990s
42
34
2000s
47
28
2010s
32
35

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 1953, the latest in 2017. Period of observation: 1953-2017.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 8, 1962 21.0°F — Jan 13, 1963 2.60 in — Jan 5, 1982
February 84.0°F — Feb 22, 1981 19.9°F — Feb 12, 2013 3.75 in — Feb 3, 1998
March 84.9°F — Mar 12, 2005 21.9°F — Mar 31, 2004 1.94 in — Mar 25, 2011
April 98.1°F — Apr 22, 2009 30.9°F — Apr 7, 2001 1.55 in — Apr 3, 1958
May 100.0°F — May 13, 1976 33.1°F — May 6, 1977 1.02 in — May 7, 1994
June 107.1°F — Jun 15, 1961 32.0°F — Jun 28, 2017 0.82 in — Jun 16, 1995
July 105.1°F — Jul 14, 1972 15.1°F — Jul 15, 2011 0.33 in — Jul 31, 1966
August 100.9°F — Aug 30, 1968 30.0°F — Aug 15, 2017 0.58 in — Aug 20, 1997
September 105.1°F — Sep 2, 2017 37.0°F — Sep 13, 2012 1.78 in — Sep 19, 1959
October 100.0°F — Oct 2, 1980 -2.9°F — Oct 21, 2008 1.86 in — Oct 13, 1962
November 89.1°F — Nov 8, 1955 15.1°F — Nov 7, 2003 2.48 in — Nov 29, 1970
December 75.0°F — Dec 14, 1953 3.9°F — Dec 29, 2011 2.77 in — Dec 22, 1955

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