Salmon Weather Records

Salmon, Idaho weather averages and records from 1967–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Salmon, Idaho was 105 °F which occurred on July 10, 1973.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Salmon, Idaho was -34 °F which occurred on January 7, 1979.
Lowest Temperatures: All-Time By Year
Salmon Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 29.4 14.0 57 -34 0.6 7.3
February 36.4 17.0 62 -26 0.3 3.8
March 50.5 26.2 77 -3 0.5 1.1
April 59.5 32.2 89 7 0.8 0.3
May 68.9 40.0 96 19 1.3 0.1
June 76.6 46.6 103 20 1.4 0.0
July 86.8 51.7 105 34 0.8 0.0
August 85.2 49.1 102 29 0.6 0.0
September 74.8 41.0 98 20 0.7 0.2
October 58.9 31.7 87 -3 0.7 0.1
November 41.4 22.7 76 -12 0.6 2.7
December 29.5 14.2 59 -31 0.7 6.9
Entire year 58.5 32.4 105 -34 9.3 23.4
More Salmon Weather Records
1967–2022
Highest daily low 69 °F July 15, 2002
Lowest daily high -11 °F January 7, 1979
Greatest daily range
(Difference of high and low)
62 °F June 17, 2022
Difference in high temperature
over two conscutive days
35 °F Oct 9–10, 2019
Most daily precipitation 1.6 inches July 26, 2017
Most monthly precipitation 3.6 inches May 1980
Most yearly precipitation 14.8 inches 1977
Earliest freeze August 25 1992
Latest freeze June 21 2022
Earliest snow in season September 30 2019
Latest snow in season May 21 1984
Most daily snow 10.5 inches January 11, 2000
Most monthly snow 23.1 inches December 1983
Most yearly snow 58.8 inches 1975
Most days in a year ≥ 80 °F 122 1988
Most days in a year ≥ 90 °F 58 1988
Most days in a year ≥ 100 °F 6 2021
Salmon Weather Streaks
Most consecutive days...
With precipitation 11 days May 19–29, 2004
Without precipitation 60 days Sep 2 – Oct 31, 1987
With snow 7 days Nov 24–30, 1971
Freezing temperatures
High temperature ≤ 32 °F
37 days Dec 30, 2000 – Feb 4, 2001
High temperature ≥ 80 °F 71 days Jun 30 – Sep 8, 2022
High temperature ≥ 90 °F 21 days Jul 26 – Aug 15, 1992
High temperature ≥ 100 °F 3 days Jul 22–24, 1997
Salmon Weather by Year
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Weather Station Details
Years Station Coordinates
1967–2022 Salmon KSRA location