All-time weather records — Darby, MT

Record high
105.1°F
July 13, 2002
Record low
-36.0°F
January 7, 1937
Wettest day
3.40 in
November 27, 1909

Climate change signal in Darby

3.6%

of Darby's all-time daily heat records were set in the last decade (13 of 366 records since 2015).

1.4%

of all-time daily cold records were set in the last decade (5 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
·
3
1900s
·
·
1910s
·
8
1920s
21
9
1930s
37
73
1940s
25
43
1950s
19
61
1960s
60
37
1970s
25
30
1980s
54
34
1990s
47
32
2000s
63
25
2010s
15
11
2020s
·
·

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 1926, the latest in 2018. Period of observation: 1898-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 27, 2015 -36.0°F — Jan 7, 1937 1.55 in — Jan 13, 2006
February 70.0°F — Feb 25, 1995 -35.0°F — Feb 9, 1933 1.23 in — Feb 1, 1995
March 78.1°F — Mar 29, 1978 -15.0°F — Mar 5, 1945 1.10 in — Mar 22, 1973
April 84.9°F — Apr 18, 1936 1.9°F — Apr 2, 1945 1.70 in — Apr 6, 1998
May 95.0°F — May 29, 2003 17.1°F — May 2, 1954 2.15 in — May 19, 1938
June 100.0°F — Jun 29, 2015 24.1°F — Jun 25, 1991 3.00 in — Jun 13, 2017
July 105.1°F — Jul 13, 2002 3.9°F — Jul 16, 1954 1.31 in — Jul 27, 1970
August 102.9°F — Aug 12, 1940 6.1°F — Aug 2, 1948 1.75 in — Aug 20, 1974
September 98.1°F — Sep 2, 1967 14.0°F — Sep 24, 1926 1.43 in — Sep 28, 1940
October 91.0°F — Oct 1, 1997 -5.1°F — Oct 31, 2002 1.04 in — Oct 2, 1946
November 73.9°F — Nov 1, 1988 -25.1°F — Nov 16, 1959 3.40 in — Nov 27, 1909
December 66.9°F — Dec 5, 1939 -34.1°F — Dec 24, 1983 1.34 in — Dec 10, 1956

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