All-time weather records — Mountain View, CO

Record high
102.9°F
June 26, 2012
Record low
-24.0°F
December 22, 1990
Wettest day
3.63 in
June 3, 1981

Climate change signal in Mountain View

23.2%

of Mountain View's all-time daily heat records were set in the last decade (85 of 366 records since 2015).

15.6%

of all-time daily cold records were set in the last decade (57 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 #
1980s
81
131
1990s
100
101
2000s
79
54
2010s
48
49
2020s
58
31

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 1981, the latest in 2026. Period of observation: 1981-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 26, 1982 -20.9°F — Jan 18, 1984 0.70 in — Jan 19, 1990
February 79.0°F — Feb 11, 2017 -23.1°F — Feb 5, 1989 1.39 in — Feb 4, 2024
March 89.1°F — Mar 22, 2026 -8.0°F — Mar 2, 2002 2.88 in — Mar 18, 2003
April 91.9°F — Apr 30, 1992 3.9°F — Apr 12, 1997 2.26 in — Apr 24, 1997
May 97.0°F — May 30, 2003 19.0°F — May 2, 2013 2.56 in — May 12, 2023
June 102.9°F — Jun 26, 2012 33.1°F — Jun 6, 1998 3.63 in — Jun 3, 1981
July 102.9°F — Jul 1, 1990 39.9°F — Jul 13, 1987 3.12 in — Jul 14, 2013
August 102.0°F — Aug 16, 2002 37.0°F — Aug 27, 1992 2.45 in — Aug 24, 1992
September 100.0°F — Sep 13, 1990 14.0°F — Sep 29, 1985 2.97 in — Sep 10, 2013
October 93.9°F — Oct 16, 1991 1.9°F — Oct 27, 2020 2.70 in — Oct 4, 1984
November 84.0°F — Nov 25, 1990 -8.0°F — Nov 13, 2014 0.95 in — Nov 5, 2015
December 77.0°F — Dec 23, 2025 -24.0°F — Dec 22, 1990 1.90 in — Dec 21, 2006

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