Salmon Weather Records

Salmon, Idaho weather averages and records from 1967–2023 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)
Month	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 1967–2023
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 28	1975
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
Greatest snow accumulation	20.0 inches	February 7, 2020
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

Compare Salmon to

Weather Station Details

Years	Station	Coordinates
1967–2023	Salmon KSRA	location