All-time weather records — Fort Benton, MT

Record high
109.0°F
August 5, 1961
Record low
-49.0°F
January 24, 1969
Wettest day
3.01 in
June 5, 1995

Climate change signal in Fort Benton

13.4%

of Fort Benton's all-time daily heat records were set in the last decade (49 of 366 records since 2015).

8.7%

of all-time daily cold records were set in the last decade (32 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
10
38
1900s
11
28
1910s
14
10
1930s
12
2
1940s
27
34
1950s
36
48
1960s
39
48
1970s
22
38
1980s
53
35
1990s
51
23
2000s
31
17
2010s
33
29
2020s
27
16

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 1894, the latest in 2026. Period of observation: 1894-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 29, 1895 -49.0°F — Jan 24, 1969 0.82 in — Jan 24, 1959
February 77.0°F — Feb 27, 1992 -45.0°F — Feb 6, 1895 0.73 in — Feb 21, 1951
March 82.9°F — Mar 30, 2004 -35.0°F — Mar 8, 1951 1.72 in — Mar 29, 1977
April 93.0°F — Apr 20, 1980 -8.0°F — Apr 3, 2018 1.82 in — Apr 20, 1973
May 97.0°F — May 16, 1988 14.0°F — May 1, 2013 2.65 in — May 21, 1962
June 108.0°F — Jun 21, 1900 27.0°F — Jun 9, 1895 3.01 in — Jun 5, 1995
July 106.0°F — Jul 4, 1937 34.0°F — Jul 8, 1944 2.39 in — Jul 10, 1983
August 109.0°F — Aug 5, 1961 28.9°F — Aug 24, 1910 1.93 in — Aug 24, 2014
September 104.0°F — Sep 4, 2022 17.1°F — Sep 29, 1985 1.65 in — Sep 12, 1978
October 93.9°F — Oct 1, 1992 -15.0°F — Oct 30, 1991 1.17 in — Oct 23, 1954
November 79.0°F — Nov 5, 1975 -29.0°F — Nov 23, 1985 0.78 in — Nov 4, 1958
December 73.0°F — Dec 5, 1939 -45.0°F — Dec 24, 1983 0.68 in — Dec 21, 1966

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