All-time weather records — Alma, CO

Record high
139.1°F
September 21, 2005
Record low
-27.6°F
February 2, 2011
Wettest day
2.80 in
July 26, 2021

Climate change signal in Alma

33.6%

of Alma's all-time daily heat records were set in the last decade (123 of 366 records since 2015).

15.8%

of all-time daily cold records were set in the last decade (58 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 #
1990s
9
3
2000s
169
204
2010s
119
123
2020s
69
36

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 1999, the latest in 2026. Period of observation: 1999-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 76.8°F — Jan 21, 2012 -17.0°F — Jan 13, 2013 1.10 in — Jan 30, 2014
February 51.4°F — Feb 12, 2016 -27.6°F — Feb 2, 2011 0.90 in — Feb 7, 2020
March 64.2°F — Mar 18, 2013 -21.6°F — Mar 2, 2002 0.90 in — Mar 19, 2020
April 88.2°F — Apr 5, 2011 -2.2°F — Apr 11, 2007 1.10 in — Apr 26, 2015
May 88.9°F — May 4, 2013 4.1°F — May 2, 2011 2.00 in — May 11, 2014
June 122.5°F — Jun 19, 2005 -4.7°F — Jun 3, 2005 1.70 in — Jun 12, 2010
July 133.5°F — Jul 19, 2005 15.8°F — Jul 6, 2005 2.80 in — Jul 26, 2021
August 128.8°F — Aug 31, 2005 13.1°F — Aug 15, 2005 1.10 in — Aug 2, 2007
September 139.1°F — Sep 21, 2005 6.4°F — Sep 28, 2005 1.80 in — Sep 12, 2013
October 66.4°F — Oct 1, 2010 -11.0°F — Oct 30, 2019 1.40 in — Oct 9, 2005
November 99.5°F — Nov 4, 2011 -13.0°F — Nov 23, 2003 1.10 in — Nov 9, 2002
December 61.3°F — Dec 29, 2012 -19.3°F — Dec 7, 2005 0.90 in — Dec 1, 2007

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