All-time weather records — Wamsutter, WY

Record high
105.1°F
July 28, 1897
Record low
-40.0°F
January 1, 1979
Wettest day
2.00 in
April 22, 1999

Climate change signal in Wamsutter

15.8%

of Wamsutter's all-time daily heat records were set in the last decade (58 of 366 records since 2015).

10.7%

of all-time daily cold records were set in the last decade (39 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 #
1890s
72
23
1900s
9
·
1910s
7
5
1920s
2
·
1930s
69
51
1940s
3
4
1950s
12
37
1960s
19
48
1970s
18
55
1980s
19
43
1990s
41
31
2000s
27
16
2010s
19
27
2020s
49
26

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 1897, the latest in 2026. Period of observation: 1897-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 52.0°F — Jan 7, 1969 -40.0°F — Jan 1, 1979 0.70 in — Jan 13, 1998
February 90.0°F — Feb 9, 1988 -40.0°F — Feb 2, 2011 0.80 in — Feb 3, 1989
March 79.0°F — Mar 27, 2026 -26.0°F — Mar 10, 2022 1.30 in — Mar 24, 1984
April 78.1°F — Apr 23, 2012 -8.0°F — Apr 2, 1975 2.00 in — Apr 22, 1999
May 90.0°F — May 30, 1897 10.0°F — May 1, 1967 1.72 in — May 5, 1949
June 104.0°F — Jun 12, 1897 19.0°F — Jun 3, 1951 1.47 in — Jun 3, 1899
July 105.1°F — Jul 28, 1897 24.1°F — Jul 25, 1933 1.50 in — Jul 26, 1983
August 100.0°F — Aug 11, 1898 23.0°F — Aug 27, 1976 1.55 in — Aug 18, 1983
September 91.0°F — Sep 4, 2022 5.0°F — Sep 18, 1965 1.50 in — Sep 3, 1983
October 87.1°F — Oct 2, 2010 -20.9°F — Oct 30, 2019 1.03 in — Oct 13, 1966
November 71.1°F — Nov 1, 1934 -27.0°F — Nov 26, 1993 0.92 in — Nov 1, 2011
December 79.0°F — Dec 27, 1936 -33.0°F — Dec 17, 1964 1.35 in — Dec 7, 1974

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