Idaho Falls July 20 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of July 20.
July 20 All-Time Records
1948–2024
Highest temperature 101 °F 1960
Lowest temperature 42 °F 2019
Lowest daily high 63 °F 1972
Highest daily low 63 °F 2012
Most precipitation 0.33 inches 1974
July 20 Average Weather
1991–2020 1
Average high 87.8 °F
Average low 49.9 °F
Chance precipitation 12.7%
Idaho Falls July 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 56 0.00 n/a
2022 95 48 0.00 n/a
2021 91 62 0.00 n/a
2020 87 45 0.00 n/a
2019 84 42 0.00 n/a
2018 94 47 0.00 n/a
2017 89 54 0.01 n/a
2016 91 49 0.00 n/a
2015 80 45 0.00 n/a
2014 91 58 0.00 n/a
2013 n/a n/a n/a n/a
2012 92 63 0.00 n/a
2011 80 54 0.00 n/a
2010 87 43 0.00 n/a
2009 86 51 0.00 n/a
2008 97 49 0.00 n/a
2007 95 47 0.00 n/a
2006 94 54 0.00 n/a
2005 96 48 0.00 n/a
2004 85 60 0.00 n/a
2003 99 55 0.00 n/a
2002 83 55 0.02 n/a
2001 88 48 0.00 n/a
2000 85 47 0.00 n/a
1999 87 47 0.00 n/a
1998 94 55 0.00 n/a
1997 n/a n/a n/a n/a
1996 n/a n/a n/a n/a
1995 n/a n/a n/a n/a
1994 n/a n/a n/a n/a
1993 78 49 0.00 0.0
1992 86 50 0.17 0.0
1991 88 49 0.00 0.0
1990 74 51 0.00 0.0
1989 95 52 0.00 0.0
1988 91 47 0.00 0.0
1987 82 46 0.00 0.0
1986 86 47 0.00 0.0
1985 91 51 0.00 0.0
1984 82 59 0.00 0.0
1983 82 48 0.00 0.0
1982 91 49 0.00 0.0
1981 88 45 0.00 0.0
1980 86 49 0.00 0.0
1979 92 49 0.00 0.0
1978 78 49 0.10 0.0
1977 93 55 0.00 0.0
1976 85 49 0.00 0.0
1975 86 53 0.09 0.0
1974 91 59 0.33 0.0
1973 73 57 0.27 0.0
1972 63 50 0.33 0.0
1971 86 60 0.10 0.0
1970 95 54 0.00 0.0
1969 93 50 0.00 0.0
1968 78 59 0.00 0.0
1967 87 49 0.00 0.0
1966 91 57 0.00 0.0
1965 80 52 0.00 0.0
1964 94 50 0.00 0.0
1963 91 50 0.00 0.0
1962 90 43 0.00 0.0
1961 83 52 0.00 0.0
1960 101 54 0.00 0.0
1959 95 52 0.00 0.0
1958 80 54 0.33 0.0
1957 88 54 0.01 0.0
1956 98 51 0.00 0.0
1955 91 58 0.00 0.0
1954 89 52 0.01 0.0
1953 85 56 0.00 0.0
1952 80 42 0.00 0.0
1951 84 62 0.00 0.0
1950 77 45 0.00 0.0
1949 71 45 0.00 0.0
What's the all-time high for Idaho Falls on 7/20?
For the date of Jul 20, the highest temperature ever reached in Idaho Falls history is 101 °F which happened in 1960.
Highest Temperatures in Idaho Falls on July 20
Rank Temperature Year
1 101 °F 1960
2 99 °F 2003
3 98 °F 1956
4 97 °F 2008
5 96 °F 2005
6 95 °F 1989
6 95 °F 2022
6 95 °F 1970
6 95 °F 1959
6 95 °F 2007
What's the all-time low for Idaho Falls on 7/20?
For the date of Jul 20, the lowest temperature ever reached in Idaho Falls history is 42 °F which has happened 2 times, most recently in 2019.
Lowest Temperatures in Idaho Falls on July 20
Rank Temperature Year
1 42 °F 2019
1 42 °F 1952
3 43 °F 1962
3 43 °F 2010
5 45 °F 2015
5 45 °F 2020
5 45 °F 1981
5 45 °F 1950
5 45 °F 1949
10 46 °F 1987
Lowest High Temperatures in Idaho Falls on July 20
Rank Temperature Year
1 63 °F 1972
2 71 °F 1949
3 73 °F 1973
4 74 °F 1990
5 77 °F 1950
6 78 °F 1978
6 78 °F 1968
6 78 °F 1993
9 80 °F 1958
9 80 °F 1952
9 80 °F 2015
9 80 °F 1965
9 80 °F 2011
What's the most it has ever rained in Idaho Falls on 7/20?
For the date of Jul 20, the most precipitation ever recorded in Idaho Falls history is 0.33 inches which has happened 3 times, most recently in 1974.
All-Time Most Precipitation in Idaho Falls on July 20
Rank Precipitation Year
1 0.33 inches 1974
1 0.33 inches 1958
1 0.33 inches 1972
4 0.27 inches 1973
5 0.17 inches 1992
6 0.10 inches 1971
6 0.10 inches 1978
8 0.09 inches 1975
9 0.02 inches 2002
10 0.01 inches 1954
10 0.01 inches 2017
10 0.01 inches 1957
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location