All-time weather records — Sundance, WY

Record high
105.1°F
July 5, 1936
Record low
-42.0°F
February 8, 1936
Wettest day
3.25 in
October 6, 1994

Climate change signal in Sundance

6.6%

of Sundance's all-time daily heat records were set in the last decade (24 of 366 records since 2015).

3.6%

of all-time daily cold records were set in the last decade (13 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
11
26
1910s
17
56
1920s
18
49
1930s
79
48
1940s
19
30
1950s
27
26
1960s
10
32
1970s
8
18
1980s
22
25
1990s
46
25
2000s
59
13
2010s
43
11
2020s
7
7

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 1893, the latest in 2021. Period of observation: 1893-2021.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 23, 1981 -38.9°F — Jan 12, 1916 1.14 in — Jan 5, 1949
February 66.0°F — Feb 26, 1932 -42.0°F — Feb 8, 1936 1.10 in — Feb 2, 1912
March 77.0°F — Mar 12, 2007 -24.0°F — Mar 3, 2019 1.60 in — Mar 14, 1929
April 86.0°F — Apr 24, 2012 -11.0°F — Apr 3, 1945 1.82 in — Apr 6, 1997
May 100.9°F — May 28, 1934 7.0°F — May 12, 1943 2.60 in — May 8, 1995
June 102.0°F — Jun 26, 2012 25.0°F — Jun 2, 1919 2.73 in — Jun 3, 1940
July 105.1°F — Jul 5, 1936 30.0°F — Jul 10, 1993 2.47 in — Jul 5, 2012
August 102.0°F — Aug 29, 2012 19.9°F — Aug 17, 2001 2.80 in — Aug 21, 1964
September 99.0°F — Sep 4, 1933 0.0°F — Sep 18, 1917 2.27 in — Sep 23, 2017
October 93.0°F — Oct 3, 1992 -17.0°F — Oct 27, 1925 3.25 in — Oct 6, 1994
November 77.0°F — Nov 7, 1917 -23.1°F — Nov 16, 1959 1.87 in — Nov 1, 2000
December 64.9°F — Dec 15, 1923 -40.0°F — Dec 24, 1983 0.80 in — Dec 13, 1916

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