All-time weather records — Roy, UT

Record high
126.0°F
September 26, 2000
Record low
-13.0°F
January 25, 1949
Wettest day
3.36 in
August 4, 1951

Climate change signal in Roy

52.5%

of Roy's all-time daily heat records were set in the last decade (192 of 366 records since 2015).

15.3%

of all-time daily cold records were set in the last decade (56 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
14
59
1950s
18
74
1990s
13
19
2000s
83
105
2010s
88
91
2020s
150
18

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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 62.1°F — Jan 31, 2024 -13.0°F — Jan 25, 1949 1.44 in — Jan 21, 2012
February 68.0°F — Feb 4, 2025 -6.0°F — Feb 2, 1950 1.08 in — Feb 26, 2004
March 81.0°F — Mar 25, 2026 7.0°F — Mar 3, 1952 1.75 in — Mar 23, 1949
April 87.1°F — Apr 23, 2012 19.9°F — Apr 7, 1948 1.55 in — Apr 7, 2011
May 98.1°F — May 30, 2020 28.2°F — May 7, 2010 1.74 in — May 16, 2015
June 106.0°F — Jun 15, 2021 33.1°F — Jun 7, 2005 1.26 in — Jun 6, 2007
July 120.0°F — Jul 8, 2005 32.0°F — Jul 13, 2005 0.87 in — Jul 8, 2015
August 104.0°F — Aug 2, 2020 44.1°F — Aug 27, 2004 3.36 in — Aug 4, 1951
September 126.0°F — Sep 26, 2000 7.0°F — Sep 26, 2000 1.34 in — Sep 1, 2012
October 88.0°F — Oct 4, 2024 8.2°F — Oct 30, 2019 1.65 in — Oct 20, 2004
November 73.9°F — Nov 5, 2020 3.2°F — Nov 24, 2010 1.09 in — Nov 20, 1951
December 63.0°F — Dec 2, 2010 -6.9°F — Dec 9, 2013 1.16 in — Dec 10, 2016

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