Boise August 12 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of August 12.
August 12 All-Time Records
1911–2024
Highest temperature 103 °F 2015
Lowest temperature 42 °F 1918
Lowest daily high 77 °F 1993
Highest daily low 75 °F 2015
Most precipitation 0.43 inches 1965
Most snow none -
August 12 Average Weather
1991–2020 1
Average high 91.7 °F
Average low 61.3 °F
Chance precipitation 7.2%
Chance snow 0%
Boise August 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 92 61 0.00 0.0
2022 98 71 0.00 0.0
2021 100 67 0.00 0.0
2020 86 63 0.00 0.0
2019 84 55 0.00 0.0
2018 88 63 0.00 0.0
2017 99 71 0.00 0.0
2016 92 59 0.00 0.0
2015 103 75 0.00 0.0
2014 90 68 0.00 0.0
2013 88 63 0.00 0.0
2012 96 61 0.00 0.0
2011 93 59 0.00 0.0
2010 79 50 0.00 0.0
2009 92 63 0.00 0.0
2008 93 60 0.00 0.0
2007 98 62 0.00 0.0
2006 82 56 0.00 0.0
2005 86 63 0.00 0.0
2004 99 63 0.00 0.0
2003 89 61 0.00 0.0
2002 89 55 0.00 0.0
2001 96 72 0.00 0.0
2000 96 62 0.00 0.0
1999 85 60 0.00 0.0
1998 96 62 0.00 0.0
1997 85 63 0.00 0.0
1996 98 64 0.00 0.0
1995 88 54 0.00 0.0
1994 98 70 0.00 0.0
1993 77 57 0.00 0.0
1992 102 65 0.00 0.0
1991 92 50 0.00 0.0
1990 96 67 0.00 0.0
1989 90 65 0.04 0.0
1988 90 61 0.00 0.0
1987 83 49 0.00 0.0
1986 83 60 0.00 0.0
1985 85 51 0.00 0.0
1984 97 69 0.00 0.0
1983 85 49 0.00 0.0
1982 82 49 0.00 0.0
1981 95 56 0.00 0.0
1980 92 53 0.00 0.0
1979 85 67 0.01 0.0
1978 93 56 0.00 0.0
1977 96 62 0.00 0.0
1976 88 58 0.00 0.0
1975 89 51 0.00 0.0
1974 88 56 0.00 0.0
1973 98 63 0.00 0.0
1972 95 65 0.00 0.0
1971 100 60 0.00 0.0
1970 101 60 0.00 0.0
1969 78 54 0.00 0.0
1968 88 62 0.00 0.0
1967 97 62 0.00 0.0
1966 82 44 0.00 0.0
1965 78 62 0.43 0.0
1964 90 64 0.00 0.0
1963 95 64 0.00 0.0
1962 92 64 0.00 0.0
1961 93 68 0.00 0.0
1960 95 65 0.00 0.0
1959 81 53 0.00 0.0
1958 94 64 0.02 0.0
1957 86 50 0.00 0.0
1956 92 57 0.00 0.0
1955 91 58 0.00 0.0
1954 85 57 0.00 0.0
1953 99 64 0.00 0.0
1952 93 59 0.00 0.0
1951 84 53 0.00 0.0
1950 87 60 0.00 0.0
1949 82 57 0.00 0.0
1948 88 52 0.00 0.0
1947 79 55 0.00 0.0
1946 92 65 0.00 0.0
1945 91 57 0.00 0.0
1944 94 61 0.00 0.0
1943 93 56 0.00 0.0
1942 86 53 0.00 0.0
1941 80 61 0.00 0.0
1940 100 68 0.00 0.0
1939 94 57 0.00 0.0
1938 87 54 0.00 0.0
1937 98 58 0.00 0.0
1936 87 58 0.00 0.0
1935 n/a n/a 0.00 0.0
1934 92 46 0.00 n/a
1933 94 52 0.00 0.0
1932 78 n/a 0.00 n/a
1931 95 54 0.00 n/a
1930 95 64 0.00 n/a
1929 99 50 0.00 n/a
1928 90 50 0.00 n/a
1927 80 55 0.09 n/a
1926 90 56 0.00 0.0
1925 86 60 0.00 0.0
1924 101 50 0.00 0.0
1923 100 55 0.00 0.0
1922 83 60 0.00 0.0
1921 98 62 0.00 0.0
1920 94 60 0.00 0.0
1919 90 48 0.00 0.0
1918 80 42 0.00 0.0
1917 92 48 0.00 0.0
1916 90 51 0.00 0.0
1915 93 54 0.00 0.0
1914 100 48 0.00 0.0
1913 90 56 0.00 0.0
1912 88 47 0.00 0.0
1911 92 48 0.00 0.0
What's the all-time high for Boise on 8/12?
For the date of Aug 12, the highest temperature ever reached in Boise history is 103 °F which happened in 2015.
Highest Temperatures in Boise on August 12
Rank Temperature Year
1 103 °F 2015
2 102 °F 1992
3 101 °F 1970
3 101 °F 1924
5 100 °F 1940
5 100 °F 1971
5 100 °F 2021
5 100 °F 1914
5 100 °F 1923
10 99 °F 1929
10 99 °F 2017
10 99 °F 2004
10 99 °F 1953
What's the all-time low for Boise on 8/12?
For the date of Aug 12, the lowest temperature ever reached in Boise history is 42 °F which happened in 1918.
Lowest Temperatures in Boise on August 12
Rank Temperature Year
1 42 °F 1918
2 44 °F 1966
3 46 °F 1934
4 47 °F 1912
5 48 °F 1911
5 48 °F 1917
5 48 °F 1919
5 48 °F 1914
9 49 °F 1982
9 49 °F 1987
9 49 °F 1983
Lowest High Temperatures in Boise on August 12
Rank Temperature Year
1 77 °F 1993
2 78 °F 1965
2 78 °F 1969
2 78 °F 1932
5 79 °F 2010
5 79 °F 1947
7 80 °F 1918
7 80 °F 1927
7 80 °F 1941
10 81 °F 1959
What's the most it has ever rained in Boise on 8/12?
For the date of Aug 12, the most precipitation ever recorded in Boise history is 0.43 inches which happened in 1965.
All-Time Most Precipitation in Boise on August 12
Rank Precipitation Year
1 0.43 inches 1965
2 0.09 inches 1927
3 0.04 inches 1989
4 0.02 inches 1958
5 0.01 inches 1979
Weather Station Details
Years Station Coordinates
1940–2024 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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