Boise October 31 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of October 31 (Halloween).
October 31 All-Time Records
1911–2023
Highest temperature 74 °F 2012
Lowest temperature 13 °F 2002
Lowest daily high 34 °F 2002
Highest daily low 52 °F 2008
Most precipitation 0.4 inches 1933
Most snow 1.0 inches 1971
October 31 Average Weather
1991–2020 1
Average high 56.9 °F
Average low 36.1 °F
Chance precipitation 26.2%
Chance snow 1.8%
Boise October 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 69 38 0.00 0.0
2021 56 40 0.00 0.0
2020 58 31 0.00 0.0
2019 43 21 0.00 0.0
2018 49 37 0.01 0.0
2017 57 29 0.00 0.0
2016 56 43 0.01 0.0
2015 64 48 0.00 0.0
2014 65 47 0.00 0.0
2013 54 34 0.02 0.0
2012 74 49 0.00 0.0
2011 58 37 0.03 0.0
2010 60 48 0.11 0.0
2009 62 37 0.00 0.0
2008 72 52 0.00 0.0
2007 59 33 0.00 0.0
2006 43 18 0.00 0.0
2005 60 40 0.01 0.0
2004 48 31 0.00 0.0
2003 42 23 0.00 0.0
2002 34 13 0.00 0.0
2001 61 43 0.00 0.0
2000 52 33 0.00 0.0
1999 60 33 0.00 0.0
1998 59 31 0.00 0.0
1997 60 38 0.00 0.0
1996 54 34 0.00 0.0
1995 48 25 0.00 0.0
1994 57 35 0.00 0.0
1993 54 33 0.00 0.0
1992 56 38 0.26 0.0
1991 38 22 0.00 0.0
1990 62 41 0.06 0.0
1989 52 26 0.00 0.0
1988 73 39 0.00 0.0
1987 69 51 0.00 0.0
1986 55 34 0.00 0.0
1985 49 27 0.00 0.0
1984 43 24 0.00 0.0
1983 67 48 0.02 0.0
1982 52 30 0.00 0.0
1981 61 37 0.00 0.0
1980 62 28 0.00 0.0
1979 48 31 0.00 0.0
1978 55 21 0.00 0.0
1977 51 37 0.00 0.0
1976 55 36 0.00 0.0
1975 52 32 0.00 0.0
1974 50 46 0.00 0.0
1973 59 45 0.14 0.0
1972 47 20 0.00 0.0
1971 42 30 0.12 1.0
1970 58 35 0.00 0.0
1969 56 32 0.00 0.0
1968 58 42 0.00 0.0
1967 67 35 0.00 0.0
1966 65 35 0.00 0.0
1965 66 38 0.00 0.0
1964 61 35 0.00 0.0
1963 54 30 0.00 0.0
1962 64 38 0.00 0.0
1961 50 30 0.00 0.0
1960 59 35 0.00 0.0
1959 55 25 0.00 0.0
1958 67 37 0.00 0.0
1957 53 33 0.00 0.0
1956 43 29 0.00 0.0
1955 42 27 0.00 0.0
1954 58 33 0.00 0.0
1953 69 40 0.00 0.0
1952 55 35 0.00 0.0
1951 45 23 0.00 0.0
1950 52 37 0.00 0.0
1949 58 34 0.00 0.0
1948 48 43 0.27 0.0
1947 69 44 0.00 0.0
1946 50 26 0.03 0.0
1945 50 41 0.05 0.0
1944 63 45 0.26 0.0
1943 46 27 0.00 0.0
1942 49 39 0.14 0.0
1941 50 33 0.01 0.0
1940 58 39 0.22 0.0
1939 58 32 0.00 0.0
1938 56 45 0.05 0.0
1936 57 42 0.00 0.0
1935 38 21 0.00 0.0
1934 66 39 0.00 0.0
1933 56 40 0.37 0.0
1932 53 25 0.00 0.0
1931 68 35 0.00 n/a
1930 65 26 0.00 n/a
1929 57 25 0.00 0.0
1928 50 40 0.22 0.0
1927 45 25 0.03 0.0
1926 61 21 0.00 0.0
1925 57 26 0.00 0.0
1924 63 42 0.00 0.0
1923 57 29 0.00 0.0
1922 56 39 0.15 0.0
1921 67 36 0.00 0.0
1920 48 29 0.00 0.0
1919 38 23 0.15 1.0
1918 60 34 0.00 0.0
1917 64 21 0.00 0.0
1916 61 33 0.00 0.0
1915 70 36 0.00 0.0
1914 69 41 0.00 0.0
1913 57 33 0.00 0.0
1912 53 24 0.00 0.0
1911 63 33 0.00 0.0
All-Time Highest Temperatures in Boise on October 31
Rank Temperature Year
1 74 °F 2012
2 73 °F 1988
3 72 °F 2008
4 70 °F 1915
5 69 °F 1947
5 69 °F 1953
5 69 °F 1987
5 69 °F 1914
5 69 °F 2022
10 68 °F 1931
All-Time Lowest Temperatures in Boise on October 31
Rank Temperature Year
1 13 °F 2002
2 18 °F 2006
3 20 °F 1972
4 21 °F 1935
4 21 °F 1926
4 21 °F 1978
4 21 °F 1917
8 21 °F 2019
9 22 °F 1991
10 23 °F 1919
10 23 °F 1951
10 23 °F 2003
Lowest High Temperatures in Boise on October 31
Rank Temperature Year
1 34 °F 2002
2 38 °F 1991
2 38 °F 1919
2 38 °F 1935
5 42 °F 2003
5 42 °F 1971
5 42 °F 1955
8 43 °F 2006
8 43 °F 2019
8 43 °F 1984
8 43 °F 1956
All-Time Most Precipitation in Boise on October 31
Rank Precipitation Year
1 0.4 inches 1933
2 0.3 inches 1948
3 0.3 inches 1992
3 0.3 inches 1944
5 0.2 inches 1940
5 0.2 inches 1928
7 0.1 inches 1922
7 0.1 inches 1919
9 0.1 inches 1942
9 0.1 inches 1973
All-Time Most Snow in Boise on October 31
Rank Precipitation Year
1 1.0 inches 1919
1 1.0 inches 1971
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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