Number of Days of 100 °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 100 °F in Idaho Falls, Idaho, between 1948 and 2023.
What Year Had the Most 100° Days in Idaho Falls History?
Based on NOAA records, the year 2002 holds the record. There were 2 days with a high temperature of at least 100 degrees that year.
How Many 100° Days Have There Been So Far in 2023 in Idaho Falls?
It has not reached 100 degrees Fahrenheit in Idaho Falls so far in 2023. As of February 5, the highest temperature this year is 38 °F.
  • Years marked with a gold background have more than 5% incomplete data
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Year Rank Days Over 100 °F
2023 14 0
2022 2 1
2021 14 0
2020 14 0
2019 14 0
2018 14 0
2017 14 0
2016 14 0
2015 2 1
2014 14 0
2013 14 0
2012 14 0
2011 14 0
2010 14 0
2009 14 0
2008 14 0
2007 2 1
2006 14 0
2005 14 0
2004 14 0
2003 2 1
2002 1 2
2001 14 0
2000 2 1
1999 14 0
1998 2 1
1997 14 0
1996 14 0
1995 14 0
1994 14 0
1993 14 0
1992 14 0
1991 14 0
1990 14 0
1989 2 1
1988 2 1
1987 14 0
1986 14 0
1985 14 0
1984 14 0
1983 2 1
1982 14 0
1981 14 0
1980 14 0
1979 14 0
1978 14 0
1977 14 0
1976 14 0
1975 14 0
1974 14 0
1973 14 0
1972 14 0
1971 14 0
1970 14 0
1969 14 0
1968 14 0
1967 14 0
1966 2 1
1965 14 0
1964 14 0
1963 14 0
1962 14 0
1961 2 1
1960 2 1
1959 14 0
1958 14 0
1957 14 0
1956 14 0
1955 14 0
1954 14 0
1953 14 0
1952 14 0
1951 14 0
1950 14 0
1949 14 0
1948 14 0
Weather Station Details
Years Station Coordinates
1948–2023 Idaho Falls Fanning Field location