All-time weather records — Arvada, CO

Record high
102.0°F
June 26, 2012
Record low
-18.0°F
February 20, 2018
Wettest day
10.50 in
September 13, 2013

Climate change signal in Arvada

43.4%

of Arvada's all-time daily heat records were set in the last decade (159 of 366 records since 2015).

29%

of all-time daily cold records were set in the last decade (106 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 #
1970s
1
18
1980s
·
·
1990s
33
40
2000s
117
137
2010s
104
117
2020s
111
54

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 1978, the latest in 2026. Period of observation: 1978-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 71.1°F — Jan 21, 2005 -14.1°F — Jan 16, 2024 0.85 in — Jan 26, 1998
February 73.9°F — Feb 11, 2017 -18.0°F — Feb 20, 2018 1.84 in — Feb 3, 2012
March 88.0°F — Mar 22, 2026 -6.0°F — Mar 4, 2019 2.52 in — Mar 7, 1990
April 84.0°F — Apr 12, 2023 1.9°F — Apr 10, 2013 2.00 in — Apr 18, 2009
May 93.9°F — May 30, 2000 18.0°F — May 7, 1978 2.80 in — May 17, 1995
June 102.0°F — Jun 26, 2012 32.0°F — Jun 6, 1998 2.21 in — Jun 30, 1987
July 100.9°F — Jul 17, 2003 46.9°F — Jul 30, 2009 3.72 in — Jul 17, 2000
August 99.0°F — Aug 2, 2008 33.1°F — Aug 20, 2015 2.13 in — Aug 5, 1999
September 98.1°F — Sep 3, 2019 28.0°F — Sep 29, 1999 10.50 in — Sep 13, 2013
October 87.1°F — Oct 3, 2024 1.0°F — Oct 30, 2019 1.45 in — Oct 10, 2005
November 79.0°F — Nov 3, 2025 -9.0°F — Nov 13, 2014 1.04 in — Nov 1, 1986
December 82.0°F — Dec 7, 2002 -15.0°F — Dec 22, 2022 1.57 in — Dec 29, 2022

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