All-time weather records — Melstone, MT

Record high
111.0°F
July 14, 2002
Record low
-51.0°F
February 15, 1936
Wettest day
2.87 in
June 9, 1968

Climate change signal in Melstone

7.4%

of Melstone's all-time daily heat records were set in the last decade (27 of 366 records since 2015).

6%

of all-time daily cold records were set in the last decade (22 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 #
1900s
5
·
1910s
13
25
1920s
24
25
1930s
58
53
1940s
35
52
1950s
37
51
1960s
30
44
1970s
12
18
1980s
33
36
1990s
36
19
2000s
46
11
2010s
23
17
2020s
14
15

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 1909, the latest in 2026. Period of observation: 1909-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 9, 1953 -43.1°F — Jan 13, 2024 0.59 in — Jan 20, 2012
February 77.0°F — Feb 28, 1932 -51.0°F — Feb 15, 1936 1.20 in — Feb 18, 1949
March 82.0°F — Mar 27, 2025 -35.0°F — Mar 3, 2019 1.20 in — Mar 21, 1929
April 91.9°F — Apr 28, 1952 -9.9°F — Apr 2, 1935 2.45 in — Apr 20, 1973
May 97.0°F — May 18, 1948 3.0°F — May 11, 1986 2.53 in — May 30, 2013
June 108.0°F — Jun 27, 1936 23.0°F — Jun 14, 1969 2.87 in — Jun 9, 1968
July 111.0°F — Jul 14, 2002 35.1°F — Jul 1, 1952 2.32 in — Jul 15, 1918
August 109.9°F — Aug 5, 1957 32.0°F — Aug 25, 1992 2.22 in — Aug 20, 1964
September 106.0°F — Sep 4, 1950 18.0°F — Sep 29, 1985 2.81 in — Sep 7, 1941
October 99.0°F — Oct 3, 2011 -9.0°F — Oct 30, 1991 1.57 in — Oct 7, 2011
November 80.1°F — Nov 3, 1921 -29.9°F — Nov 27, 1955 1.00 in — Nov 16, 1958
December 71.1°F — Dec 5, 1939 -43.1°F — Dec 24, 1983 1.03 in — Dec 23, 1955

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