Boise July 31 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of July 31.
July 31 All-Time Records
1911–2023
Highest temperature 106 °F 2022
Lowest temperature 44 °F 1975
Lowest daily high 77 °F 2001
Highest daily low 79 °F 1929
Most precipitation 0.8 inches 2021
Most snow none -
July 31 Average Weather
1991–2020 1
Average high 93.5 °F
Average low 62.6 °F
Chance precipitation 7.0%
Chance snow 0%
Boise July 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 106 74 0.00 0.0
2021 96 69 0.83 0.0
2020 104 71 0.00 0.0
2019 98 64 0.00 0.0
2018 98 76 0.00 0.0
2017 100 64 0.00 0.0
2016 92 62 0.00 0.0
2015 99 64 0.00 0.0
2014 97 68 0.00 0.0
2013 95 65 0.00 0.0
2012 98 61 0.00 0.0
2011 100 72 0.01 0.0
2010 95 68 0.00 0.0
2009 97 66 0.00 0.0
2008 98 62 0.00 0.0
2007 98 64 0.00 0.0
2006 84 54 0.00 0.0
2005 100 68 0.00 0.0
2004 99 64 0.00 0.0
2003 101 67 0.00 0.0
2002 84 61 0.00 0.0
2001 77 49 0.00 0.0
2000 101 71 0.00 0.0
1999 93 56 0.00 0.0
1998 86 60 0.08 0.0
1997 91 58 0.04 0.0
1996 94 59 0.00 0.0
1995 90 48 0.00 0.0
1994 100 67 0.00 0.0
1993 85 49 0.00 0.0
1992 106 62 0.00 0.0
1991 102 60 0.00 0.0
1990 92 60 0.00 0.0
1989 98 60 0.00 0.0
1988 95 61 0.00 0.0
1987 80 59 0.00 0.0
1986 89 49 0.00 0.0
1985 89 56 0.02 0.0
1984 88 58 0.00 0.0
1983 90 70 0.00 0.0
1982 95 59 0.00 0.0
1981 91 49 0.00 0.0
1980 93 62 0.00 0.0
1979 95 57 0.00 0.0
1978 95 56 0.00 0.0
1977 93 57 0.00 0.0
1976 92 64 0.78 0.0
1975 77 44 0.00 0.0
1974 97 61 0.00 0.0
1973 99 63 0.00 0.0
1972 97 68 0.00 0.0
1971 100 65 0.00 0.0
1970 93 50 0.00 0.0
1969 96 60 0.00 0.0
1968 90 58 0.00 0.0
1967 92 66 0.00 0.0
1966 89 68 0.00 0.0
1965 98 64 0.00 0.0
1964 84 53 0.00 0.0
1963 94 53 0.00 0.0
1962 91 64 0.00 0.0
1961 96 62 0.00 0.0
1960 85 64 0.01 0.0
1959 100 69 0.00 0.0
1958 91 59 0.00 0.0
1957 89 59 0.00 0.0
1956 92 60 0.00 0.0
1955 104 63 0.00 0.0
1954 93 54 0.00 0.0
1953 89 58 0.00 0.0
1952 93 72 0.00 0.0
1951 103 71 0.00 0.0
1950 85 51 0.00 0.0
1949 100 68 0.00 0.0
1948 92 56 0.00 0.0
1947 94 60 0.00 0.0
1946 81 54 0.00 0.0
1945 90 50 0.00 0.0
1944 79 55 0.00 0.0
1943 99 66 0.00 0.0
1942 89 56 0.00 0.0
1941 88 65 0.00 0.0
1940 90 56 0.00 0.0
1939 94 58 0.00 0.0
1938 94 54 0.00 0.0
1937 77 54 0.00 0.0
1936 96 61 0.00 n/a
1935 90 54 0.00 n/a
1934 86 53 0.00 n/a
1933 83 49 0.00 0.0
1932 80 n/a 0.00 n/a
1931 91 51 n/a n/a
1930 102 53 0.00 n/a
1929 100 79 0.00 0.0
1928 95 55 0.00 n/a
1927 92 52 0.00 n/a
1926 100 54 0.00 0.0
1925 102 64 0.00 0.0
1924 95 49 0.00 0.0
1923 84 52 0.00 0.0
1922 96 58 0.00 0.0
1921 95 65 0.00 0.0
1920 96 52 0.00 0.0
1919 95 64 0.00 0.0
1918 100 70 0.00 0.0
1917 85 49 0.00 0.0
1916 95 55 0.00 0.0
1915 79 53 0.00 0.0
1914 100 65 0.00 0.0
1913 88 48 0.00 0.0
1912 86 64 0.14 0.0
1911 88 47 0.00 0.0
All-Time Highest Temperatures in Boise on July 31
Rank Temperature Year
1 106 °F 1992
1 106 °F 2022
3 104 °F 1955
3 104 °F 2020
5 103 °F 1951
6 102 °F 1930
6 102 °F 1991
6 102 °F 1925
9 101 °F 2003
9 101 °F 2000
All-Time Lowest Temperatures in Boise on July 31
Rank Temperature Year
1 44 °F 1975
2 47 °F 1911
3 48 °F 1913
3 48 °F 1995
5 49 °F 2001
5 49 °F 1981
5 49 °F 1993
5 49 °F 1986
5 49 °F 1917
5 49 °F 1933
5 49 °F 1924
Lowest High Temperatures in Boise on July 31
Rank Temperature Year
1 77 °F 1975
1 77 °F 2001
1 77 °F 1937
4 79 °F 1915
4 79 °F 1944
6 80 °F 1987
6 80 °F 1932
8 81 °F 1946
9 83 °F 1933
10 84 °F 2006
10 84 °F 2002
10 84 °F 1923
10 84 °F 1964
All-Time Most Precipitation in Boise on July 31
Rank Precipitation Year
1 0.8 inches 2021
2 0.8 inches 1976
3 0.1 inches 1912
4 0.1 inches 1998
5 0.0 inches 1997
6 0.0 inches 1985
7 0.0 inches 2011
7 0.0 inches 1960
Weather Station Details
Years Station Coordinates
1940–2023 location
1911–1939 Meridian 1 W location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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