All-time weather records — Superior, MT

Record high
143.1°F
November 1, 1956
Record low
-38.9°F
February 15, 1936
Wettest day
2.80 in
January 26, 1914

Climate change signal in Superior

3.3%

of Superior's all-time daily heat records were set in the last decade (12 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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 #
1910s
18
83
1920s
22
52
1930s
91
63
1940s
33
41
1950s
24
33
1960s
43
15
1970s
26
17
1980s
27
16
1990s
30
25
2000s
31
15
2010s
21
6

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 1914, the latest in 2018. Period of observation: 1914-2018.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 3, 1915 -36.0°F — Jan 20, 1937 2.80 in — Jan 26, 1914
February 69.1°F — Feb 27, 1932 -38.9°F — Feb 15, 1936 1.17 in — Feb 10, 1949
March 80.1°F — Mar 30, 2004 -9.0°F — Mar 11, 1950 1.00 in — Mar 1, 2001
April 90.0°F — Apr 28, 1987 1.9°F — Apr 2, 1936 1.20 in — Apr 6, 2006
May 99.0°F — May 30, 1936 17.1°F — May 25, 1998 1.84 in — May 20, 1957
June 102.0°F — Jun 22, 1955 19.9°F — Jun 17, 1998 1.74 in — Jun 17, 2005
July 108.0°F — Jul 15, 1935 0.0°F — Jul 14, 1997 2.20 in — Jul 11, 2015
August 107.1°F — Aug 11, 2018 24.1°F — Aug 13, 1918 1.69 in — Aug 22, 1947
September 102.9°F — Sep 3, 1950 3.0°F — Sep 2, 1956 1.17 in — Sep 16, 1947
October 90.0°F — Oct 1, 1935 -2.9°F — Oct 31, 1935 1.51 in — Oct 27, 1994
November 143.1°F — Nov 1, 1956 -15.0°F — Nov 16, 1959 1.49 in — Nov 1, 2015
December 61.0°F — Dec 3, 1956 -27.9°F — Dec 18, 1924 2.30 in — Dec 18, 2015

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