Number of Days of 90 °F in Idaho Falls by Year

This page contains a list of the number of days in each year that the temperature equaled or exceeded 90 °F in Idaho Falls, Idaho, between 1948 and 2023.

What Year Had the Most 90° Days?

Based on NOAA records, the year 2022 holds the record for the most 90° F days in Idaho Falls history. There were 58 days with a high temperature of at least 90 degrees that year.

How Many 90° Days Have There Been So Far?

It has not reached 90 degrees Fahrenheit in Idaho Falls so far in 2023. As of June 4, the highest temperature this year is 86 °F.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days Over 90 °F
2023	72	0
2022	1	58
2021	2	44
2020	34	24
2019	23	27
2018	19	28
2017	9	36
2016	12	32
2015	46	20
2014	23	27
2013	70	1
2012	6	41
2011	31	25
2010	40	23
2009	28	26
2008	19	28
2007	2	44
2006	23	27
2005	44	21
2004	65	10
2003	7	40
2002	52	18
2001	31	25
2000	11	33
1999	58	15
1998	10	35
1997	72	0
1996	72	0
1995	72	0
1994	72	0
1993	70	1
1992	34	24
1991	14	31
1990	8	37
1989	34	24
1988	4	42
1987	63	12
1986	46	20
1985	28	26
1984	67	9
1983	31	25
1982	40	23
1981	34	24
1980	65	10
1979	46	20
1978	44	21
1977	34	24
1976	53	17
1975	50	19
1974	16	30
1973	53	17
1972	61	14
1971	23	27
1970	14	31
1969	16	30
1968	62	13
1967	40	23
1966	12	32
1965	69	7
1964	57	16
1963	16	30
1962	28	26
1961	4	42
1960	19	28
1959	23	27
1958	50	19
1957	53	17
1956	46	20
1955	19	28
1954	34	24
1953	43	22
1952	63	12
1951	58	15
1950	58	15
1949	53	17
1948	67	9

Weather Station Details

Years	Station	Coordinates
1948–2023	Idaho Falls Fanning Field	location