All-time weather records — Brighton, CO

Record high
105.1°F
July 22, 2005
Record low
-26.0°F
December 22, 1990
Wettest day
3.42 in
May 12, 2023

Climate change signal in Brighton

28.7%

of Brighton's all-time daily heat records were set in the last decade (105 of 366 records since 2015).

14.5%

of all-time daily cold records were set in the last decade (53 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
14
85
1980s
54
73
1990s
62
66
2000s
94
62
2010s
81
49
2020s
61
31

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 1975, the latest in 2026. Period of observation: 1973-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 3, 1997 -23.1°F — Jan 16, 2024 0.66 in — Jan 20, 1990
February 80.1°F — Feb 11, 2017 -24.0°F — Feb 5, 1989 0.75 in — Feb 4, 2024
March 90.0°F — Mar 25, 2026 -13.0°F — Mar 2, 2002 2.12 in — Mar 6, 1990
April 91.0°F — Apr 25, 2012 -8.0°F — Apr 2, 1975 2.26 in — Apr 3, 1986
May 99.0°F — May 30, 2003 19.0°F — May 2, 2010 3.42 in — May 12, 2023
June 104.0°F — Jun 15, 2006 34.0°F — Jun 1, 2022 2.40 in — Jun 7, 1997
July 105.1°F — Jul 22, 2005 44.1°F — Jul 2, 1997 2.25 in — Jul 21, 1977
August 102.9°F — Aug 2, 2008 41.0°F — Aug 19, 1978 2.00 in — Aug 2, 2001
September 100.0°F — Sep 6, 2020 19.0°F — Sep 29, 1985 2.36 in — Sep 12, 2013
October 90.0°F — Oct 1, 2023 0.0°F — Oct 26, 1997 1.20 in — Oct 10, 2005
November 84.0°F — Nov 3, 2025 -14.1°F — Nov 25, 1993 1.17 in — Nov 14, 1994
December 77.0°F — Dec 23, 2025 -26.0°F — Dec 22, 1990 1.37 in — Dec 24, 1973

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