All-time weather records — Olathe, CO

Record high
117.0°F
July 10, 2007
Record low
-14.1°F
January 11, 2011
Wettest day
1.27 in
August 19, 2021

Climate change signal in Olathe

39.3%

of Olathe's all-time daily heat records were set in the last decade (144 of 366 records since 2015).

22.7%

of all-time daily cold records were set in the last decade (83 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
36
74
2000s
143
155
2010s
101
91
2020s
86
46

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 1996, the latest in 2026. Period of observation: 1996-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 27, 2015 -14.1°F — Jan 11, 2011 0.52 in — Jan 31, 2014
February 68.0°F — Feb 3, 2025 -9.9°F — Feb 3, 2011 0.66 in — Feb 22, 2015
March 87.1°F — Mar 25, 2026 0.0°F — Mar 2, 2002 0.53 in — Mar 12, 2019
April 84.9°F — Apr 23, 2012 16.0°F — Apr 16, 1999 0.67 in — Apr 30, 1999
May 98.1°F — May 31, 2002 24.3°F — May 1, 2014 0.74 in — May 3, 2001
June 100.0°F — Jun 16, 2021 34.0°F — Jun 6, 1999 0.50 in — Jun 20, 2024
July 117.0°F — Jul 10, 2007 43.0°F — Jul 2, 1997 0.95 in — Jul 31, 1999
August 100.0°F — Aug 1, 2008 41.0°F — Aug 28, 2004 1.27 in — Aug 19, 2021
September 96.1°F — Sep 6, 2022 25.0°F — Sep 29, 1999 0.89 in — Sep 22, 2013
October 88.0°F — Oct 1, 2015 1.2°F — Oct 27, 2020 1.02 in — Oct 2, 2022
November 75.0°F — Nov 1, 2014 -8.9°F — Nov 30, 2006 0.73 in — Nov 28, 2006
December 66.0°F — Dec 22, 2025 -13.0°F — Dec 22, 1998 0.66 in — Dec 4, 2013

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