All-time weather records — Denver, CO

Record high
104.0°F
June 26, 1994
Record low
-25.1°F
January 11, 1963
Wettest day
6.47 in
September 13, 2013

Climate change signal in Denver

26.2%

of Denver's all-time daily heat records were set in the last decade (96 of 366 records since 2015).

8.7%

of all-time daily cold records were set in the last decade (32 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
2
13
1950s
27
55
1960s
31
94
1970s
28
67
1980s
43
41
1990s
56
23
2000s
65
22
2010s
68
33
2020s
46
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: 1940-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 2, 1997 -25.1°F — Jan 11, 1963 0.92 in — Jan 8, 1962
February 82.9°F — Feb 11, 2017 -25.1°F — Feb 1, 1951 1.01 in — Feb 19, 1953
March 84.0°F — Mar 26, 1971 -9.9°F — Mar 5, 1948 3.10 in — Mar 19, 2003
April 90.0°F — Apr 30, 1992 -2.0°F — Apr 2, 1975 3.25 in — Apr 13, 1967
May 96.1°F — May 30, 2003 5.0°F — May 16, 2003 3.32 in — May 12, 2023
June 104.0°F — Jun 26, 1994 30.0°F — Jun 2, 1951 3.16 in — Jun 11, 1970
July 104.0°F — Jul 21, 2005 39.9°F — Jul 6, 2006 3.83 in — Jul 19, 1997
August 102.0°F — Aug 1, 2002 41.0°F — Aug 23, 1964 3.81 in — Aug 19, 2004
September 99.0°F — Sep 6, 2020 17.1°F — Sep 29, 1985 6.47 in — Sep 13, 2013
October 89.1°F — Oct 1, 2023 3.0°F — Oct 13, 1969 1.58 in — Oct 18, 1960
November 82.0°F — Nov 3, 2025 -9.9°F — Nov 13, 2014 0.95 in — Nov 20, 1979
December 75.9°F — Dec 23, 2025 -25.1°F — Dec 22, 1990 2.00 in — Dec 24, 1982

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