All-time weather records — St. Ignatius, MT

Record high
102.9°F
July 7, 2007
Record low
-36.0°F
February 15, 1936
Wettest day
2.68 in
July 22, 1987

Climate change signal in St. Ignatius

4.4%

of St. Ignatius's all-time daily heat records were set in the last decade (16 of 366 records since 2015).

3%

of all-time daily cold records were set in the last decade (11 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
13
1900s
4
7
1910s
37
50
1920s
21
69
1930s
52
61
1940s
17
11
1950s
31
23
1960s
40
17
1970s
28
38
1980s
37
25
1990s
36
13
2000s
35
27
2010s
2
1
2020s
16
11

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 1896, the latest in 2022. Period of observation: 1896-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 31, 1992 -34.1°F — Jan 7, 1937 1.64 in — Jan 9, 2023
February 69.1°F — Feb 26, 1950 -36.0°F — Feb 15, 1936 0.90 in — Feb 13, 1926
March 82.0°F — Mar 28, 1986 -17.0°F — Mar 9, 1932 1.42 in — Mar 12, 1946
April 89.1°F — Apr 25, 1910 -5.1°F — Apr 2, 1936 2.14 in — Apr 30, 1951
May 96.1°F — May 30, 1936 19.0°F — May 1, 1954 1.99 in — May 25, 1980
June 100.9°F — Jun 18, 1986 21.9°F — Jun 10, 2008 2.56 in — Jun 8, 1964
July 102.9°F — Jul 7, 2007 30.0°F — Jul 6, 2010 2.68 in — Jul 22, 1987
August 102.9°F — Aug 11, 1897 27.0°F — Aug 25, 1910 2.09 in — Aug 20, 1923
September 98.1°F — Sep 1, 1967 3.9°F — Sep 24, 1926 1.86 in — Sep 15, 1959
October 87.1°F — Oct 7, 1980 -7.1°F — Oct 31, 1935 1.96 in — Oct 2, 1946
November 75.0°F — Nov 6, 1916 -27.0°F — Nov 16, 1959 1.24 in — Nov 4, 1927
December 66.9°F — Dec 19, 1941 -35.0°F — Dec 31, 1927 1.18 in — Dec 23, 1996

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