All-time weather records — Liberty Lake, WA

Record high
113.0°F
June 29, 2021
Record low
-9.9°F
January 5, 2004
Wettest day
1.67 in
May 21, 2004

Climate change signal in Liberty Lake

52.2%

of Liberty Lake's all-time daily heat records were set in the last decade (191 of 366 records since 2015).

23.2%

of all-time daily cold records were set in the last decade (85 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
16
46
2000s
108
168
2010s
131
107
2020s
111
45

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 1998, the latest in 2026. Period of observation: 1998-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 26, 2003 -9.9°F — Jan 5, 2004 0.87 in — Jan 10, 2006
February 64.0°F — Feb 28, 2020 -2.7°F — Feb 6, 2014 0.69 in — Feb 3, 2017
March 79.0°F — Mar 26, 2025 2.1°F — Mar 11, 2009 1.30 in — Mar 15, 2015
April 87.1°F — Apr 20, 2016 24.1°F — Apr 4, 2001 1.14 in — Apr 13, 2000
May 93.9°F — May 17, 2006 28.0°F — May 8, 2002 1.67 in — May 21, 2004
June 113.0°F — Jun 29, 2021 37.0°F — Jun 7, 2002 1.20 in — Jun 20, 2013
July 107.1°F — Jul 21, 2024 39.0°F — Jul 4, 1999 0.90 in — Jul 22, 2016
August 107.1°F — Aug 10, 2018 39.9°F — Aug 28, 2000 0.82 in — Aug 2, 2013
September 102.9°F — Sep 2, 2025 26.1°F — Sep 23, 2000 0.66 in — Sep 28, 2019
October 86.0°F — Oct 1, 2008 12.0°F — Oct 29, 2025 0.79 in — Oct 13, 2016
November 69.1°F — Nov 12, 1999 -1.8°F — Nov 24, 2010 0.86 in — Nov 22, 2024
December 63.0°F — Dec 10, 2014 -9.8°F — Dec 23, 2008 1.02 in — Dec 7, 2015

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