Boise May 12 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of May 12.
May 12 All-Time Records
1911–2024
Highest temperature 94 °F 1993
Lowest temperature 22 °F 1916
Lowest daily high 48 °F 1951
Highest daily low 63 °F 2013
Most precipitation 0.74 inches 1958
Most snow 0.5 inches 1970
May 12 Average Weather
1991–2020 1
Average high 70.9 °F
Average low 45.7 °F
Chance precipitation 27.0%
Chance snow 0%
Boise May 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 46 0.00 0.0
2022 63 34 0.17 0.0
2021 82 46 0.00 0.0
2020 67 51 0.00 0.0
2019 86 53 0.00 0.0
2018 66 45 0.00 0.0
2017 67 40 0.06 0.0
2016 84 51 0.00 0.0
2015 75 46 0.36 0.0
2014 66 38 0.00 0.0
2013 93 63 0.00 0.0
2012 75 41 0.00 0.0
2011 79 54 0.00 0.0
2010 69 44 0.00 0.0
2009 59 41 0.00 0.0
2008 62 38 0.00 0.0
2007 86 57 0.00 0.0
2006 74 49 0.00 0.0
2005 70 45 0.00 0.0
2004 58 43 0.19 0.0
2003 62 46 0.08 0.0
2002 77 41 0.00 0.0
2001 92 58 0.00 0.0
2000 60 32 0.00 0.0
1999 65 46 0.00 0.0
1998 63 49 0.06 0.0
1997 84 54 0.00 0.0
1996 83 53 0.00 0.0
1995 58 37 0.00 0.0
1994 80 57 0.02 0.0
1993 94 58 0.00 0.0
1992 75 31 0.00 0.0
1991 66 41 0.09 0.0
1990 63 42 0.00 0.0
1989 65 37 0.00 0.0
1988 93 59 0.00 0.0
1987 85 54 0.00 0.0
1986 63 36 0.00 0.0
1985 58 24 0.00 0.0
1984 72 53 0.00 0.0
1983 58 31 0.00 0.0
1982 66 40 0.00 0.0
1981 65 28 0.00 0.0
1980 70 38 0.00 0.0
1979 75 40 0.00 0.0
1978 69 37 0.00 0.0
1977 76 46 0.00 0.0
1976 75 34 0.00 0.0
1975 68 42 0.00 0.0
1974 56 38 0.06 0.0
1973 81 47 0.00 0.0
1972 75 39 0.00 0.0
1971 80 55 0.07 0.0
1970 53 35 0.21 0.5
1969 78 54 0.00 0.0
1968 65 51 0.01 0.0
1967 53 31 0.01 0.0
1966 68 39 0.00 0.0
1965 81 50 0.00 0.0
1964 81 48 0.00 0.0
1963 65 39 0.00 0.0
1962 66 39 0.00 0.0
1961 67 39 0.00 0.0
1960 83 46 0.00 0.0
1959 82 42 0.00 0.0
1958 53 35 0.74 0.0
1957 62 52 0.17 0.0
1956 53 31 0.00 0.0
1955 76 50 0.00 0.0
1954 70 39 0.00 0.0
1953 63 40 0.00 0.0
1952 77 48 0.00 0.0
1951 48 39 0.43 0.0
1950 77 45 0.00 0.0
1949 89 57 0.00 0.0
1948 73 43 0.00 0.0
1947 67 50 0.12 0.0
1946 73 44 0.00 0.0
1945 67 49 0.27 0.0
1944 85 44 0.00 0.0
1943 57 27 0.00 0.0
1942 51 38 0.00 0.0
1941 81 54 0.08 0.0
1940 78 50 0.02 0.0
1939 79 41 0.00 0.0
1938 72 45 0.00 0.0
1937 75 42 0.00 0.0
1936 89 48 0.00 0.0
1935 65 37 0.00 0.0
1934 71 42 0.00 n/a
1933 70 34 0.00 0.0
1932 86 53 0.00 n/a
1931 88 38 n/a n/a
1930 76 40 0.00 n/a
1929 80 45 0.00 0.0
1928 73 49 0.00 n/a
1927 73 43 0.00 0.0
1926 76 54 0.00 0.0
1925 73 44 0.00 0.0
1924 92 57 0.00 0.0
1923 66 40 0.00 0.0
1922 68 34 0.00 0.0
1921 73 33 0.00 0.0
1920 64 38 0.00 0.0
1919 60 41 0.00 0.0
1918 79 36 0.00 0.0
1917 72 49 0.07 0.0
1916 58 22 0.00 0.0
1915 69 48 0.15 0.0
1914 77 40 0.00 0.0
1913 67 48 0.00 0.0
1912 74 37 0.00 0.0
1911 69 46 0.00 0.0
What's the all-time high for Boise on 5/12?
For the date of May 12, the highest temperature ever reached in Boise history is 94 °F which happened in 1993.
Highest Temperatures in Boise on May 12
Rank Temperature Year
1 94 °F 1993
2 93 °F 1988
2 93 °F 2013
4 92 °F 1924
4 92 °F 2001
6 89 °F 1949
6 89 °F 1936
8 88 °F 1931
9 86 °F 1932
9 86 °F 2019
9 86 °F 2007
What's the all-time low for Boise on 5/12?
For the date of May 12, the lowest temperature ever reached in Boise history is 22 °F which happened in 1916.
Lowest Temperatures in Boise on May 12
Rank Temperature Year
1 22 °F 1916
2 24 °F 1985
3 27 °F 1943
4 28 °F 1981
5 31 °F 1983
5 31 °F 1967
5 31 °F 1992
5 31 °F 1956
9 32 °F 2000
10 33 °F 1921
Lowest High Temperatures in Boise on May 12
Rank Temperature Year
1 48 °F 1951
2 51 °F 1942
3 53 °F 1958
3 53 °F 1967
3 53 °F 1956
3 53 °F 1970
7 56 °F 1974
8 57 °F 1943
9 58 °F 1985
9 58 °F 2004
9 58 °F 1995
9 58 °F 1916
9 58 °F 1983
What's the most it has ever rained in Boise on 5/12?
For the date of May 12, the most precipitation ever recorded in Boise history is 0.74 inches which happened in 1958.
All-Time Most Precipitation in Boise on May 12
Rank Precipitation Year
1 0.74 inches 1958
2 0.43 inches 1951
3 0.36 inches 2015
4 0.27 inches 1945
5 0.21 inches 1970
6 0.19 inches 2004
7 0.17 inches 1957
7 0.17 inches 2022
9 0.15 inches 1915
10 0.12 inches 1947
All-Time Most Snow in Boise on May 12
Rank Precipitation Year
1 0.5 inches 1970
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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