All-time weather records — Mandan, ND

Record high
115.0°F
July 6, 1936
Record low
-45.9°F
February 16, 1936
Wettest day
4.44 in
July 27, 2001

Climate change signal in Mandan

8.7%

of Mandan's all-time daily heat records were set in the last decade (32 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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
17
50
1920s
36
42
1930s
67
35
1940s
26
31
1950s
28
33
1960s
30
47
1970s
23
34
1980s
29
32
1990s
28
30
2000s
33
9
2010s
32
13
2020s
17
10

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 1913, the latest in 2026. Period of observation: 1913-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 24, 1981 -43.1°F — Jan 13, 1916 0.67 in — Jan 16, 1933
February 68.0°F — Feb 26, 1958 -45.9°F — Feb 16, 1936 1.15 in — Feb 26, 2000
March 82.0°F — Mar 30, 1967 -29.9°F — Mar 1, 1962 1.05 in — Mar 24, 1950
April 93.9°F — Apr 22, 1980 -8.0°F — Apr 1, 1975 1.96 in — Apr 29, 1940
May 102.0°F — May 28, 1934 12.9°F — May 3, 1967 2.86 in — May 12, 1985
June 109.9°F — Jun 30, 2002 28.0°F — Jun 2, 1969 4.40 in — Jun 16, 2009
July 115.0°F — Jul 6, 1936 36.0°F — Jul 4, 1972 4.44 in — Jul 27, 2001
August 109.0°F — Aug 5, 1941 32.0°F — Aug 26, 1914 2.90 in — Aug 1, 1915
September 104.0°F — Sep 7, 1931 14.0°F — Sep 30, 1974 3.00 in — Sep 18, 1977
October 96.1°F — Oct 5, 1963 -14.1°F — Oct 26, 1919 2.00 in — Oct 5, 1998
November 80.1°F — Nov 8, 1999 -26.0°F — Nov 24, 1985 1.45 in — Nov 6, 2008
December 66.0°F — Dec 5, 1979 -45.9°F — Dec 28, 1916 1.08 in — Dec 28, 2016

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