All-time weather records — Ten Sleep, WY

Record high
105.1°F
July 13, 2005
Record low
-34.1°F
December 22, 1990
Wettest day
2.62 in
June 25, 1969

Climate change signal in Ten Sleep

15.8%

of Ten Sleep's all-time daily heat records were set in the last decade (58 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 #
1960s
25
38
1970s
34
71
1980s
88
113
1990s
59
43
2000s
81
27
2010s
38
44
2020s
41
30

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 1964, the latest in 2026. Period of observation: 1964-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 23, 1981 -27.9°F — Jan 13, 2024 0.95 in — Jan 14, 1967
February 66.0°F — Feb 21, 1982 -31.0°F — Feb 3, 1989 0.72 in — Feb 16, 2022
March 79.0°F — Mar 20, 2026 -15.0°F — Mar 4, 2019 1.10 in — Mar 17, 1981
April 87.1°F — Apr 28, 2000 5.0°F — Apr 13, 2022 1.49 in — Apr 28, 1978
May 91.0°F — May 15, 1987 19.9°F — May 1, 1967 2.26 in — May 7, 1988
June 100.0°F — Jun 15, 2021 23.0°F — Jun 4, 2007 2.62 in — Jun 25, 1969
July 105.1°F — Jul 13, 2005 37.9°F — Jul 16, 1983 2.02 in — Jul 4, 1977
August 100.0°F — Aug 6, 2001 32.0°F — Aug 31, 2019 1.50 in — Aug 2, 1976
September 98.1°F — Sep 7, 2022 15.1°F — Sep 25, 1984 1.76 in — Sep 19, 1990
October 88.0°F — Oct 17, 2002 -6.0°F — Oct 26, 2020 1.95 in — Oct 1, 1971
November 73.9°F — Nov 1, 1988 -16.1°F — Nov 23, 1985 1.30 in — Nov 9, 1984
December 66.0°F — Dec 27, 1980 -34.1°F — Dec 22, 1990 0.81 in — Dec 24, 1984

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