All-time weather records — Grand Junction, CO

Record high
107.1°F
July 9, 2021
Record low
-6.0°F
January 15, 2013
Wettest day
1.38 in
October 10, 2025

Climate change signal in Grand Junction

86.3%

of Grand Junction's all-time daily heat records were set in the last decade (316 of 366 records since 2015).

66.7%

of all-time daily cold records were set in the last decade (244 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 #
2010s
169
246
2020s
197
120

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 2011, the latest in 2026. Period of observation: 2011-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 30, 2024 -6.0°F — Jan 15, 2013 0.46 in — Jan 30, 2014
February 69.1°F — Feb 10, 2017 3.9°F — Feb 6, 2016 0.40 in — Feb 10, 2014
March 88.0°F — Mar 25, 2026 15.1°F — Mar 3, 2012 0.97 in — Mar 19, 2020
April 90.0°F — Apr 30, 2020 21.9°F — Apr 6, 2023 0.76 in — Apr 17, 2015
May 96.1°F — May 31, 2025 32.0°F — May 13, 2014 0.85 in — May 6, 2015
June 104.0°F — Jun 15, 2021 42.1°F — Jun 9, 2020 1.03 in — Jun 20, 2024
July 107.1°F — Jul 9, 2021 53.1°F — Jul 1, 2020 0.78 in — Jul 19, 2017
August 102.9°F — Aug 21, 2025 50.0°F — Aug 20, 2021 0.93 in — Aug 19, 2021
September 100.9°F — Sep 5, 2022 37.0°F — Sep 28, 2013 1.24 in — Sep 9, 2013
October 90.0°F — Oct 1, 2015 12.0°F — Oct 30, 2019 1.38 in — Oct 10, 2025
November 75.0°F — Nov 1, 2014 15.1°F — Nov 17, 2014 0.96 in — Nov 26, 2024
December 64.9°F — Dec 24, 2025 -2.9°F — Dec 10, 2013 0.59 in — Dec 28, 2022

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