All-time weather records — Altamont, UT

Record high
98.1°F
June 29, 2013
Record low
-32.1°F
December 21, 1990
Wettest day
3.90 in
December 7, 2007

Climate change signal in Altamont

18%

of Altamont's all-time daily heat records were set in the last decade (66 of 366 records since 2015).

18.6%

of all-time daily cold records were set in the last decade (68 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
55
28
1960s
55
70
1970s
24
76
1980s
60
45
1990s
36
43
2000s
46
20
2010s
49
32
2020s
41
52

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 2026. Period of observation: 1953-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 11, 1990 -24.0°F — Jan 6, 1971 0.68 in — Jan 20, 1962
February 69.1°F — Feb 27, 1986 -29.0°F — Feb 7, 1989 1.40 in — Feb 14, 1968
March 82.0°F — Mar 25, 2026 -11.0°F — Mar 1, 1962 0.85 in — Mar 29, 1993
April 86.0°F — Apr 29, 1992 5.0°F — Apr 3, 1975 1.09 in — Apr 9, 2013
May 90.0°F — May 31, 2002 16.0°F — May 7, 1975 1.15 in — May 23, 2019
June 98.1°F — Jun 29, 2013 25.0°F — Jun 13, 2001 1.44 in — Jun 17, 1998
July 97.0°F — Jul 8, 1989 34.0°F — Jul 6, 1982 1.00 in — Jul 26, 1998
August 95.0°F — Aug 5, 2017 28.0°F — Aug 26, 1992 1.37 in — Aug 5, 1997
September 90.0°F — Sep 5, 2022 19.0°F — Sep 30, 1985 1.37 in — Sep 23, 2016
October 93.0°F — Oct 5, 1986 -6.0°F — Oct 30, 2019 1.28 in — Oct 9, 1960
November 69.1°F — Nov 5, 1978 -8.0°F — Nov 16, 1955 1.30 in — Nov 26, 1985
December 64.0°F — Dec 3, 1977 -32.1°F — Dec 21, 1990 3.90 in — Dec 7, 2007

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