All-time weather records — Mountain View, CA

Record high
106.0°F
June 14, 2000
Record low
0.0°F
July 2, 1996
Wettest day
3.36 in
December 11, 2014

Climate change signal in Mountain View

11.5%

of Mountain View's all-time daily heat records were set in the last decade (42 of 366 records since 2015).

1.1%

of all-time daily cold records were set in the last decade (4 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
9
175
1950s
36
102
1960s
29
21
1970s
45
31
1980s
73
5
1990s
39
11
2000s
65
12
2010s
59
9
2020s
11
·

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 1946, the latest in 2026. Period of observation: 1945-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 23, 1948 21.0°F — Jan 5, 1949 2.70 in — Jan 4, 1982
February 82.0°F — Feb 14, 1977 26.1°F — Feb 1, 1946 2.67 in — Feb 14, 1986
March 86.0°F — Mar 20, 2026 30.0°F — Mar 3, 1951 1.48 in — Mar 2, 1983
April 95.0°F — Apr 9, 1989 32.0°F — Apr 4, 1945 1.17 in — Apr 2, 1958
May 102.9°F — May 12, 1976 37.9°F — May 4, 1952 1.00 in — May 27, 1990
June 106.0°F — Jun 14, 2000 43.0°F — Jun 1, 1955 0.68 in — Jun 4, 2011
July 105.1°F — Jul 17, 1988 0.0°F — Jul 2, 1996 0.41 in — Jul 2, 1980
August 100.9°F — Aug 1, 1993 1.2°F — Aug 1, 2010 0.53 in — Aug 18, 1975
September 106.0°F — Sep 1, 2017 41.0°F — Sep 12, 1946 1.96 in — Sep 18, 1959
October 100.0°F — Oct 5, 1987 33.1°F — Oct 20, 1949 2.51 in — Oct 13, 1962
November 87.1°F — Nov 1, 1967 28.9°F — Nov 24, 1947 2.78 in — Nov 28, 1970
December 78.1°F — Dec 5, 2003 23.0°F — Dec 23, 1990 3.36 in — Dec 11, 2014

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