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
1940–2022
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)
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
All-Time Highest Temperatures in Boise on December 9
Rank Temperature Year
1 57 °F 1993
1 57 °F 1996
3 56 °F 2015
3 56 °F 1981
5 55 °F 1968
6 52 °F 1990
7 49 °F 1950
7 49 °F 2014
9 48 °F 1970
9 48 °F 1983
9 48 °F 2006
All-Time Lowest Temperatures in Boise on December 9
Rank Temperature Year
1 -21 °F 1972
2 -7 °F 2013
3 -4 °F 2009
4 5 °F 1951
5 8 °F 1961
5 8 °F 1980
7 11 °F 1986
8 12 °F 2005
9 14 °F 1959
10 15 °F 1994
10 15 °F 1985
10 15 °F 1960
Lowest High Temperatures in Boise on December 9
Rank Temperature Year
1 5 °F 1972
2 14 °F 2013
3 16 °F 2009
4 20 °F 1951
5 23 °F 1961
6 25 °F 2005
7 27 °F 1985
8 29 °F 1945
9 30 °F 1967
9 30 °F 1994
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
4 0.3 inches 2016
5 0.2 inches 1947
6 0.1 inches 1963
7 0.1 inches 1983
8 0.1 inches 1958
9 0.1 inches 1948
9 0.1 inches 1955
All-Time Most Snow in Boise on December 9
Rank Precipitation Year
1 2.6 inches 1947
2 1.4 inches 1971
3 1.3 inches 1963
4 0.6 inches 1978
4 0.6 inches 1999
6 0.4 inches 1969
6 0.4 inches 2021
8 0.3 inches 1949
8 0.3 inches 1987
10 0.1 inches 2012
Weather Station Details
Years Station Coordinates
1940–2022 location