All-time weather records — Hardin, MT

Record high
111.9°F
July 14, 2002
Record low
-47.0°F
December 22, 1989
Wettest day
70.00 in
October 14, 1982

Climate change signal in Hardin

14.2%

of Hardin's all-time daily heat records were set in the last decade (52 of 366 records since 2015).

10.9%

of all-time daily cold records were set in the last decade (40 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 #
1940s
9
13
1950s
28
97
1960s
30
61
1970s
18
34
1980s
80
49
1990s
73
40
2000s
67
19
2010s
20
25
2020s
41
28

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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 24, 2005 -43.1°F — Jan 16, 1982 1.17 in — Jan 1, 1972
February 73.9°F — Feb 21, 1982 -38.0°F — Feb 13, 1949 1.20 in — Feb 25, 2000
March 84.9°F — Mar 20, 2026 -29.9°F — Mar 3, 2019 2.00 in — Mar 13, 1997
April 96.1°F — Apr 28, 1987 -0.9°F — Apr 14, 2022 3.17 in — Apr 4, 1955
May 97.0°F — May 13, 1960 15.1°F — May 12, 1953 2.50 in — May 12, 2010
June 106.0°F — Jun 6, 1988 30.0°F — Jun 1, 1951 2.03 in — Jun 15, 1963
July 111.9°F — Jul 14, 2002 34.0°F — Jul 27, 1969 3.00 in — Jul 14, 2001
August 109.0°F — Aug 24, 1952 27.0°F — Aug 12, 1985 1.86 in — Aug 20, 2021
September 105.1°F — Sep 7, 2022 3.9°F — Sep 28, 1997 3.10 in — Sep 11, 1991
October 93.9°F — Oct 1, 1963 -14.1°F — Oct 31, 1991 70.00 in — Oct 14, 1982
November 81.0°F — Nov 12, 1999 -31.0°F — Nov 16, 1959 2.00 in — Nov 14, 1996
December 72.0°F — Dec 2, 2021 -47.0°F — Dec 22, 1989 1.08 in — Dec 23, 2017

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