All-time weather records — Leadville, CO

Record high
86.0°F
June 23, 1954
Record low
-38.0°F
February 1, 1985
Wettest day
2.10 in
December 24, 1983

Climate change signal in Leadville

19.1%

of Leadville's all-time daily heat records were set in the last decade (70 of 366 records since 2015).

7.9%

of all-time daily cold records were set in the last decade (29 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
13
1
1950s
53
26
1960s
41
35
1970s
9
106
1980s
38
66
1990s
46
51
2000s
86
31
2010s
26
32
2020s
54
18

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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 13, 1996 -34.1°F — Jan 12, 1963 1.60 in — Jan 30, 1996
February 57.9°F — Feb 19, 1958 -38.0°F — Feb 1, 1985 1.70 in — Feb 13, 1986
March 66.0°F — Mar 21, 2026 -29.9°F — Mar 2, 2002 1.30 in — Mar 5, 1996
April 66.0°F — Apr 24, 1949 -17.0°F — Apr 12, 1980 1.07 in — Apr 15, 1950
May 80.1°F — May 30, 2002 3.2°F — May 2, 2011 1.19 in — May 15, 1957
June 86.0°F — Jun 23, 1954 18.0°F — Jun 19, 1973 0.98 in — Jun 8, 1979
July 86.0°F — Jul 17, 2023 21.0°F — Jul 3, 2004 1.44 in — Jul 21, 2021
August 84.0°F — Aug 1, 2024 23.0°F — Aug 28, 2004 1.85 in — Aug 1, 2023
September 82.0°F — Sep 4, 1960 8.1°F — Sep 27, 1996 1.25 in — Sep 29, 1959
October 72.0°F — Oct 21, 2003 -12.8°F — Oct 30, 2023 1.30 in — Oct 29, 1996
November 66.0°F — Nov 16, 1999 -24.0°F — Nov 28, 1976 0.74 in — Nov 1, 1986
December 55.9°F — Dec 1, 2003 -31.0°F — Dec 23, 1990 2.10 in — Dec 24, 1983

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