All-time weather records — Glasgow, MT

Record high
113.0°F
July 31, 1900
Record low
-59.1°F
February 15, 1936
Wettest day
3.26 in
August 25, 1933

Climate change signal in Glasgow

9.8%

of Glasgow's all-time daily heat records were set in the last decade (36 of 366 records since 2015).

2.2%

of all-time daily cold records were set in the last decade (8 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
19
76
1900s
32
64
1910s
34
56
1920s
51
58
1930s
66
50
1940s
50
20
1950s
23
25
1990s
17
2
2000s
27
6
2010s
25
2
2020s
22
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 2024. Period of observation: 1893-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 62.1°F — Jan 17, 1919 -56.0°F — Jan 12, 1916 0.70 in — Jan 26, 1951
February 73.9°F — Feb 27, 1932 -59.1°F — Feb 15, 1936 0.58 in — Feb 8, 1916
March 81.0°F — Mar 22, 1928 -45.0°F — Mar 12, 1897 1.25 in — Mar 12, 1904
April 93.0°F — Apr 26, 1952 -18.9°F — Apr 1, 1899 3.21 in — Apr 2, 1940
May 102.0°F — May 18, 1948 15.1°F — May 6, 1929 2.25 in — May 29, 1953
June 109.9°F — Jun 17, 1933 6.1°F — Jun 17, 1933 2.81 in — Jun 23, 1923
July 113.0°F — Jul 31, 1900 34.0°F — Jul 8, 1904 2.83 in — Jul 9, 1946
August 111.0°F — Aug 2, 1893 28.0°F — Aug 23, 1928 3.26 in — Aug 25, 1933
September 102.9°F — Sep 7, 2022 14.0°F — Sep 25, 1893 2.43 in — Sep 6, 1911
October 96.1°F — Oct 4, 1943 -8.0°F — Oct 19, 1905 2.76 in — Oct 12, 1924
November 77.0°F — Nov 12, 1999 -41.1°F — Nov 27, 1896 0.83 in — Nov 7, 1926
December 69.1°F — Dec 3, 1939 -47.0°F — Dec 18, 1929 0.81 in — Dec 17, 1939

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