All-time weather records — Walsh, CO

Record high
109.0°F
July 17, 2022
Record low
-25.1°F
January 18, 1984
Wettest day
5.02 in
August 30, 2025

Climate change signal in Walsh

33.1%

of Walsh's all-time daily heat records were set in the last decade (121 of 366 records since 2015).

13.7%

of all-time daily cold records were set in the last decade (50 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
·
·
1950s
·
·
1960s
8
13
1970s
34
87
1980s
67
80
1990s
42
68
2000s
65
37
2010s
66
50
2020s
84
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 1968, the latest in 2026. Period of observation: 1940-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 80.1°F — Jan 8, 2006 -25.1°F — Jan 18, 1984 1.04 in — Jan 19, 1990
February 84.9°F — Feb 19, 2016 -24.0°F — Feb 15, 2021 0.87 in — Feb 20, 1990
March 97.0°F — Mar 27, 2026 -6.0°F — Mar 4, 1978 2.02 in — Mar 24, 2007
April 96.1°F — Apr 13, 2025 8.1°F — Apr 2, 1975 2.12 in — Apr 28, 1944
May 102.0°F — May 17, 1996 24.1°F — May 3, 2013 2.95 in — May 11, 1972
June 108.0°F — Jun 24, 1980 37.9°F — Jun 8, 2007 3.10 in — Jun 30, 2024
July 109.0°F — Jul 17, 2022 45.0°F — Jul 8, 1994 4.30 in — Jul 8, 1982
August 106.0°F — Aug 8, 2025 41.0°F — Aug 29, 1988 5.02 in — Aug 30, 2025
September 105.1°F — Sep 12, 2021 19.9°F — Sep 30, 1985 3.36 in — Sep 12, 2013
October 98.1°F — Oct 18, 2016 7.0°F — Oct 31, 2019 3.87 in — Oct 3, 2023
November 88.0°F — Nov 1, 2016 -9.0°F — Nov 28, 1976 1.67 in — Nov 8, 2024
December 80.1°F — Dec 25, 2025 -20.0°F — Dec 22, 1989 2.11 in — Dec 20, 2011

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