Boise December 9 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of December 9.
December 9 All-Time Records
1911–2023
Highest temperature 57 °F 1996
Lowest temperature -21 °F 1972
Lowest daily high 5 °F 1972
Highest daily low 46 °F 1996
Most precipitation 0.4 inches 2004
Most snow 2.6 inches 1947
December 9 Average Weather
1991–2020 1
Average high 40.2 °F
Average low 26.1 °F
Chance precipitation 37.8%
Chance snow 16.4%
Boise December 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 40 29 0.13 1.3
2021 37 30 0.01 0.4
2020 39 20 0.00 0.0
2019 45 29 0.00 0.0
2018 37 28 0.00 0.0
2017 30 26 0.00 0.0
2016 31 25 0.25 0.0
2015 56 39 0.01 0.0
2014 49 36 0.00 0.0
2013 14 -7 0.00 0.0
2012 37 25 0.01 0.1
2011 40 18 0.00 0.0
2010 44 29 0.00 0.0
2009 16 -4 0.00 0.0
2008 42 23 0.00 0.0
2007 31 18 0.00 0.0
2006 48 29 0.03 0.0
2005 25 12 0.00 0.0
2004 45 39 0.40 0.0
2003 42 32 0.00 0.0
2002 35 24 0.00 0.0
2001 36 24 0.00 0.0
2000 33 30 0.01 0.0
1999 38 31 0.05 0.6
1998 35 17 0.00 0.0
1997 36 23 0.00 0.0
1996 57 46 0.04 0.0
1995 33 28 0.05 0.0
1994 30 15 0.00 0.0
1993 57 33 0.00 0.0
1992 39 33 0.04 0.0
1991 43 26 0.00 0.0
1990 52 20 0.00 0.0
1989 42 26 0.00 0.0
1988 37 32 0.01 0.0
1987 47 31 0.30 0.3
1986 32 11 0.00 0.0
1985 27 15 0.00 0.0
1984 35 25 0.00 0.0
1983 48 34 0.13 0.0
1982 35 21 0.00 0.0
1981 56 34 0.00 0.0
1980 32 8 0.00 0.0
1979 45 30 0.00 0.0
1978 32 21 0.03 0.6
1977 41 29 0.00 0.0
1976 43 22 0.02 0.0
1975 38 34 0.00 0.0
1974 37 23 0.00 0.0
1973 42 26 0.00 0.0
1972 5 -21 0.00 0.0
1971 36 27 0.05 1.4
1970 48 32 0.02 0.0
1969 36 24 0.04 0.4
1968 55 41 0.00 0.0
1967 30 18 0.00 0.0
1966 34 21 0.00 0.0
1965 40 23 0.00 0.0
1964 34 31 0.00 0.0
1963 36 26 0.15 1.3
1962 34 29 0.00 0.0
1961 23 8 0.00 0.0
1960 36 15 0.00 0.0
1959 35 14 0.00 0.0
1958 40 31 0.09 0.0
1957 34 27 0.00 0.0
1956 35 16 0.00 0.0
1955 39 29 0.06 0.0
1954 45 27 0.00 0.0
1953 47 31 0.00 0.0
1952 41 24 0.00 0.0
1951 20 5 0.00 0.0
1950 49 32 0.00 0.0
1949 36 21 0.03 0.3
1948 42 30 0.06 0.0
1947 35 18 0.20 2.6
1946 44 34 0.01 0.0
1945 29 17 0.00 0.0
1944 32 21 0.00 0.0
1943 37 17 0.00 0.0
1942 40 32 0.39 0.0
1941 37 25 0.00 0.0
1940 43 24 0.00 0.0
1939 53 44 0.30 0.0
1938 38 32 0.00 0.0
1937 38 23 0.00 0.0
1936 42 29 0.04 0.0
1935 36 28 0.00 0.0
1934 29 25 0.00 n/a
1933 43 29 0.00 0.0
1932 17 3 0.10 0.8
1931 35 20 0.00 0.0
1930 35 10 0.00 0.0
1929 56 40 0.03 0.0
1928 40 11 0.00 0.0
1927 38 31 0.20 2.5
1926 42 22 0.00 0.0
1925 36 28 0.00 0.0
1924 32 15 0.00 0.0
1923 36 19 0.00 0.0
1922 38 23 0.00 0.0
1921 40 22 0.00 0.0
1920 40 32 0.04 0.3
1919 25 -9 0.00 0.0
1918 45 32 0.00 0.0
1917 47 25 0.00 0.0
1916 30 11 0.03 0.5
1915 52 32 0.00 0.0
1914 38 16 0.00 0.0
1913 41 16 0.00 0.0
1912 41 18 0.00 0.0
1911 43 26 0.00 0.0
All-Time Highest Temperatures in Boise on December 9
Rank Temperature Year
1 57 °F 1996
1 57 °F 1993
3 56 °F 1981
3 56 °F 1929
3 56 °F 2015
6 55 °F 1968
7 53 °F 1939
8 52 °F 1915
8 52 °F 1990
10 49 °F 1950
10 49 °F 2014
All-Time Lowest Temperatures in Boise on December 9
Rank Temperature Year
1 -21 °F 1972
2 -9 °F 1919
3 -7 °F 2013
4 -4 °F 2009
5 3 °F 1932
6 5 °F 1951
7 8 °F 1961
7 8 °F 1980
9 10 °F 1930
10 11 °F 1986
10 11 °F 1928
10 11 °F 1916
Lowest High Temperatures in Boise on December 9
Rank Temperature Year
1 5 °F 1972
2 14 °F 2013
3 16 °F 2009
4 17 °F 1932
5 20 °F 1951
6 23 °F 1961
7 25 °F 1919
7 25 °F 2005
9 27 °F 1985
10 29 °F 1934
10 29 °F 1945
All-Time Most Precipitation in Boise on December 9
Rank Precipitation Year
1 0.4 inches 2004
2 0.4 inches 1942
3 0.3 inches 1987
3 0.3 inches 1939
5 0.3 inches 2016
6 0.2 inches 1947
6 0.2 inches 1927
8 0.1 inches 1963
9 0.1 inches 1983
9 0.1 inches 2022
All-Time Most Snow in Boise on December 9
Rank Precipitation Year
1 2.6 inches 1947
2 2.5 inches 1927
3 1.4 inches 1971
4 1.3 inches 2022
4 1.3 inches 1963
6 0.8 inches 1932
7 0.6 inches 1999
7 0.6 inches 1978
9 0.5 inches 1916
10 0.4 inches 1969
10 0.4 inches 2021
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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