All-time weather records — Grantsville, UT

Record high
106.0°F
June 16, 2021
Record low
-15.0°F
February 24, 2018
Wettest day
2.15 in
August 20, 1906

Climate change signal in Grantsville

45.6%

of Grantsville's all-time daily heat records were set in the last decade (167 of 366 records since 2015).

35%

of all-time daily cold records were set in the last decade (128 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 #
1900s
·
·
1910s
3
4
1920s
·
·
1930s
·
·
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
5
·
2000s
148
153
2010s
106
158
2020s
104
51

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 1914, the latest in 2026. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 61.0°F — Jan 17, 2000 -9.0°F — Jan 6, 2017 0.93 in — Jan 26, 1914
February 69.1°F — Feb 8, 2015 -15.0°F — Feb 24, 2018 0.88 in — Feb 2, 1989
March 79.0°F — Mar 29, 2015 6.1°F — Mar 7, 2012 1.45 in — Mar 15, 1963
April 89.1°F — Apr 30, 2007 19.0°F — Apr 2, 2020 1.70 in — Apr 2, 1986
May 100.0°F — May 30, 2003 21.0°F — May 25, 2011 2.00 in — May 28, 1906
June 106.0°F — Jun 16, 2021 33.1°F — Jun 10, 2002 1.12 in — Jun 25, 2021
July 106.0°F — Jul 16, 2003 39.0°F — Jul 10, 2016 1.52 in — Jul 21, 1987
August 102.9°F — Aug 14, 2007 44.1°F — Aug 17, 2015 2.15 in — Aug 20, 1906
September 102.0°F — Sep 8, 2022 19.9°F — Sep 8, 2003 1.89 in — Sep 26, 1982
October 91.0°F — Oct 5, 2024 6.1°F — Oct 30, 2019 1.43 in — Oct 20, 1979
November 78.1°F — Nov 4, 2008 -2.0°F — Nov 24, 2010 1.20 in — Nov 17, 1930
December 68.0°F — Dec 19, 2025 -7.1°F — Dec 9, 2013 0.98 in — Dec 23, 1921

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