Boise July 20 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of July 20.
July 20 All-Time Records
1940–2022
Highest temperature 103 °F 2003
Lowest temperature 43 °F 1972
Lowest daily high 72 °F 1972
Highest daily low 73 °F 2021
Most precipitation 0.1 inches 1965
Most snow none -
July 20 Average Weather
1991–2020 1
Average high 93.4 °F
Average low 62.2 °F
Chance precipitation 7.2%
Chance snow 0%
Boise July 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 101 65 0.00 0.0
2021 92 73 0.05 0.0
2020 95 61 0.00 0.0
2019 89 53 0.00 0.0
2018 98 63 0.00 0.0
2017 92 61 0.00 0.0
2016 91 59 0.00 0.0
2015 96 64 0.00 0.0
2014 98 64 0.06 0.0
2013 101 64 0.00 0.0
2012 98 70 0.00 0.0
2011 82 54 0.00 0.0
2010 94 56 0.00 0.0
2009 94 58 0.00 0.0
2008 99 66 0.00 0.0
2007 97 63 0.00 0.0
2006 101 68 0.00 0.0
2005 100 65 0.00 0.0
2004 89 63 0.00 0.0
2003 103 71 0.00 0.0
2002 92 63 0.00 0.0
2001 92 57 0.00 0.0
2000 95 68 0.00 0.0
1999 89 59 0.00 0.0
1998 98 61 0.00 0.0
1997 91 58 0.00 0.0
1996 87 52 0.00 0.0
1995 93 60 0.00 0.0
1994 96 55 0.00 0.0
1993 79 57 0.00 0.0
1992 88 60 0.00 0.0
1991 94 58 0.00 0.0
1990 92 69 0.00 0.0
1989 100 66 0.00 0.0
1988 100 56 0.00 0.0
1987 87 53 0.00 0.0
1986 93 55 0.00 0.0
1985 99 56 0.00 0.0
1984 89 64 0.00 0.0
1983 80 56 0.00 0.0
1982 95 57 0.00 0.0
1981 91 56 0.00 0.0
1980 88 50 0.00 0.0
1979 99 67 0.00 0.0
1978 84 53 0.00 0.0
1977 97 62 0.00 0.0
1976 95 58 0.02 0.0
1975 95 63 0.01 0.0
1974 96 61 0.00 0.0
1973 87 62 0.00 0.0
1972 72 43 0.00 0.0
1971 91 66 0.00 0.0
1970 99 69 0.01 0.0
1969 97 63 0.00 0.0
1968 85 48 0.00 0.0
1967 90 55 0.00 0.0
1966 85 56 0.00 0.0
1965 89 63 0.12 0.0
1964 96 63 0.00 0.0
1963 98 61 0.00 0.0
1962 96 58 0.00 0.0
1961 94 54 0.00 0.0
1960 103 66 0.00 0.0
1959 100 64 0.00 0.0
1958 92 59 0.00 0.0
1957 89 54 0.00 0.0
1956 93 68 0.00 0.0
1955 92 64 0.00 0.0
1954 90 58 0.00 0.0
1953 81 53 0.00 0.0
1952 89 55 0.00 0.0
1951 84 57 0.00 0.0
1950 83 51 0.00 0.0
1949 76 49 0.00 0.0
1948 82 50 0.00 0.0
1947 93 62 0.00 0.0
1946 100 60 0.00 0.0
1945 97 64 0.00 0.0
1944 88 64 0.00 0.0
1943 92 71 0.00 0.0
1942 91 56 0.00 0.0
1941 94 61 0.00 0.0
1940 87 59 0.00 0.0
All-Time Highest Temperatures in Boise on July 20
Rank Temperature Year
1 103 °F 2003
1 103 °F 1960
3 101 °F 2006
3 101 °F 2013
3 101 °F 2022
6 100 °F 1959
6 100 °F 1946
6 100 °F 2005
6 100 °F 1988
6 100 °F 1989
All-Time Lowest Temperatures in Boise on July 20
Rank Temperature Year
1 43 °F 1972
2 48 °F 1968
3 49 °F 1949
4 50 °F 1980
4 50 °F 1948
6 51 °F 1950
7 52 °F 1996
8 53 °F 1987
8 53 °F 2019
8 53 °F 1953
8 53 °F 1978
Lowest High Temperatures in Boise on July 20
Rank Temperature Year
1 72 °F 1972
2 76 °F 1949
3 79 °F 1993
4 80 °F 1983
5 81 °F 1953
6 82 °F 1948
6 82 °F 2011
8 83 °F 1950
9 84 °F 1978
9 84 °F 1951
All-Time Most Precipitation in Boise on July 20
Rank Precipitation Year
1 0.1 inches 1965
2 0.1 inches 2014
3 0.1 inches 2021
4 0.0 inches 1976
5 0.0 inches 1970
5 0.0 inches 1975
Weather Station Details
Years Station Coordinates
1940–2022 location