Average May Temperature in Salmon by Year

This page contains a list of the average monthly high and low temperatures in Salmon, Idaho for the month of May each year between 1968 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Salmon?

1992 was the warmest May in the history of Salmon, Idaho. The average daily high temperature was 78.7 °F, and the average low was 41.9 °F.

What Was the Coldest May Ever in Salmon?

2010 was the coolest May in the history of Salmon, Idaho. The average daily high temperature was 59.9 °F, and the average low was 36.1 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	3	74.0	43.2
2021	52	67.2	34.5
2020	21	69.1	40.0
2019	42	67.5	37.7
2018	9	70.7	42.8
2017	31	67.8	39.8
2016	35	66.9	40.0
2015	29	67.2	40.7
2014	24	70.1	38.1
2013	20	68.5	40.8
2012	46	66.4	38.0
2011	51	63.9	38.4
2010	53	59.9	36.1
2009	25	69.1	39.1
2008	41	66.2	39.0
2007	17	71.0	40.0
2006	14	71.8	40.4
2004	43	66.0	39.2
2003	27	68.4	39.7
2002	34	67.0	40.1
2000	15	69.1	42.9
1999	33	68.3	39.2
1998	16	69.6	42.3
1997	7	74.7	40.7
1996	47	64.7	39.6
1995	32	68.1	39.4
1994	4	73.9	43.2
1993	2	76.4	43.2
1992	1	78.7	41.9
1991	44	66.0	39.0
1990	37	67.3	38.6
1989	28	69.6	38.4
1988	12	72.4	39.9
1987	5	74.0	42.6
1986	11	72.5	40.5
1985	8	73.3	40.3
1984	36	68.0	38.7
1983	22	71.1	37.3
1982	40	69.0	36.4
1981	23	66.5	41.9
1980	18	69.3	41.5
1979	19	71.7	38.3
1978	48	64.8	38.2
1977	39	66.5	39.0
1976	10	74.5	38.9
1975	50	66.0	36.7
1974	49	66.5	36.4
1973	13	73.5	38.6
1972	26	70.5	37.7
1971	30	68.6	39.2
1970	38	68.5	37.3
1969	6	75.9	40.3
1968	45	67.1	37.4

Weather Station Details

Years	Station	Coordinates
1967–2024	Salmon KSRA	location