All-time weather records — Salmon, ID

Record high
105.1°F
July 10, 1973
Record low
-34.1°F
January 7, 1979
Wettest day
10.00 in
July 17, 1982

Climate change signal in Salmon

19.9%

of Salmon's all-time daily heat records were set in the last decade (73 of 366 records since 2015).

20.5%

of all-time daily cold records were set in the last decade (75 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 #
1960s
12
22
1970s
81
117
1980s
82
66
1990s
69
39
2000s
39
35
2010s
19
29
2020s
64
58

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 1968, the latest in 2026. Period of observation: 1967-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 16, 1974 -34.1°F — Jan 7, 1979 0.65 in — Jan 11, 2000
February 62.1°F — Feb 11, 1990 -26.0°F — Feb 4, 1989 0.55 in — Feb 18, 1986
March 80.1°F — Mar 21, 2026 -2.9°F — Mar 3, 1976 0.71 in — Mar 27, 2007
April 89.1°F — Apr 27, 1987 7.0°F — Apr 14, 2022 1.50 in — Apr 24, 1971
May 96.1°F — May 29, 2003 19.0°F — May 1, 1972 1.14 in — May 6, 1995
June 102.9°F — Jun 15, 1974 12.9°F — Jun 16, 2004 1.23 in — Jun 13, 2017
July 105.1°F — Jul 10, 1973 34.0°F — Jul 8, 1981 10.00 in — Jul 17, 1982
August 102.0°F — Aug 14, 1992 28.9°F — Aug 25, 1992 0.85 in — Aug 7, 2009
September 98.1°F — Sep 6, 2020 19.9°F — Sep 30, 1985 0.94 in — Sep 6, 2001
October 87.1°F — Oct 1, 1992 -2.9°F — Oct 30, 2019 0.96 in — Oct 4, 1992
November 75.9°F — Nov 6, 2020 -11.9°F — Nov 24, 1985 1.02 in — Nov 7, 1970
December 60.1°F — Dec 12, 2025 -31.0°F — Dec 22, 1990 1.05 in — Dec 15, 1977

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