Boise December 31 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of December 31 (New Year's Eve).
December 31 All-Time Records
1911–2024
Highest temperature 58 °F 1996
Lowest temperature -9 °F 1978
Lowest daily high 11 °F 1978
Highest daily low 48 °F 1996
Most precipitation 0.40 inches 1931
Most snow 4.0 inches 1931
December 31 Average Weather
1991–2020 1
Average high 37.8 °F
Average low 24.1 °F
Chance precipitation 38.6%
Chance snow 19.8%
Boise December 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 47 27 0.00 0.0
2022 39 29 0.01 0.0
2021 30 9 0.00 0.0
2020 38 29 0.01 0.2
2019 40 32 0.01 0.0
2018 37 19 0.00 0.0
2017 36 19 0.00 0.0
2016 20 8 0.00 0.0
2015 22 11 0.00 0.0
2014 19 9 0.00 0.0
2013 36 24 0.00 0.0
2012 26 13 0.00 0.0
2011 39 26 0.00 0.0
2010 24 13 0.00 0.0
2009 38 30 0.16 1.4
2008 43 29 0.00 0.0
2007 32 15 0.00 0.0
2006 32 24 0.00 0.0
2005 49 43 0.17 0.0
2004 39 32 0.00 0.0
2003 36 24 0.13 1.7
2002 44 34 0.12 0.0
2001 33 29 0.14 3.0
2000 31 25 0.00 0.0
1999 26 24 0.01 0.1
1998 42 34 0.22 0.0
1997 44 26 0.00 0.0
1996 58 48 0.05 0.0
1995 44 32 0.02 0.0
1994 31 16 0.00 0.0
1993 42 25 0.02 0.2
1992 38 28 0.00 0.0
1991 35 31 0.00 0.0
1990 19 6 0.00 0.0
1989 43 20 0.00 0.0
1988 30 23 0.03 0.4
1987 35 25 0.13 1.3
1986 34 11 0.00 0.0
1985 19 2 0.00 0.0
1984 33 19 0.00 0.0
1983 30 25 0.03 0.2
1982 20 5 0.00 0.0
1981 33 5 0.06 0.8
1980 37 32 0.00 0.0
1979 48 30 0.00 0.0
1978 11 -9 0.02 0.2
1977 33 8 0.04 0.7
1976 35 12 0.00 0.0
1975 33 20 0.00 0.0
1974 25 1 0.00 0.0
1973 32 23 0.01 0.1
1972 39 23 0.00 0.0
1971 31 17 0.00 0.0
1970 42 30 0.02 0.0
1969 36 18 0.00 0.0
1968 24 17 0.07 0.6
1967 35 28 0.06 0.8
1966 38 26 0.00 0.0
1965 37 17 0.02 0.4
1964 33 10 0.06 1.3
1963 38 24 0.00 0.0
1962 46 27 0.00 0.0
1961 40 28 0.00 0.0
1960 34 15 0.00 0.0
1959 29 14 0.03 0.5
1958 42 31 0.00 0.0
1957 33 18 0.00 0.0
1956 26 24 0.00 0.0
1955 40 24 0.00 0.0
1954 46 35 0.00 0.0
1953 42 22 0.00 0.0
1952 41 29 0.00 0.0
1951 24 11 0.00 0.0
1950 37 26 0.00 0.0
1949 38 22 0.00 0.0
1948 37 18 0.04 0.6
1947 30 14 0.00 0.0
1946 29 16 0.00 0.0
1945 41 30 0.00 0.0
1944 34 22 0.00 0.0
1943 46 29 0.00 0.0
1942 48 40 0.22 0.0
1941 26 0 0.06 2.5
1940 35 24 0.00 0.0
1939 37 32 0.19 0.0
1938 44 24 0.00 0.0
1937 46 24 0.00 0.0
1936 29 21 0.05 0.8
1935 37 31 0.01 0.0
1934 38 17 0.00 n/a
1933 51 36 0.16 0.0
1932 38 19 n/a 0.0
1931 40 25 0.40 4.0
1930 36 3 0.00 0.0
1929 40 12 0.00 0.0
1928 40 22 0.15 0.0
1927 20 1 0.01 0.0
1926 28 5 0.00 0.0
1925 28 18 0.00 0.0
1924 40 18 0.00 0.0
1923 29 8 0.05 0.5
1922 43 33 0.03 0.0
1921 39 24 0.00 0.0
1920 41 27 0.02 0.0
1919 33 14 0.00 0.0
1918 18 -7 0.00 0.0
1917 53 30 0.00 0.0
1916 19 -6 0.00 0.0
1915 13 -8 0.00 0.0
1914 34 11 0.00 0.0
1913 49 28 0.22 0.5
1912 46 32 0.00 0.0
1911 32 24 0.07 1.0
What's the all-time high for Boise on 12/31?
For the date of Dec 31, the highest temperature ever reached in Boise history is 58 °F which happened in 1996.
Highest Temperatures in Boise on December 31
Rank Temperature Year
1 58 °F 1996
2 53 °F 1917
3 51 °F 1933
4 49 °F 2005
4 49 °F 1913
6 48 °F 1942
6 48 °F 1979
8 47 °F 2023
9 46 °F 1962
9 46 °F 1943
9 46 °F 1954
9 46 °F 1912
9 46 °F 1937
What's the all-time low for Boise on 12/31?
For the date of Dec 31, the lowest temperature ever reached in Boise history is -9 °F which happened in 1978.
Lowest Temperatures in Boise on December 31
Rank Temperature Year
1 -9 °F 1978
2 -8 °F 1915
3 -7 °F 1918
4 -6 °F 1916
5 0 °F 1941
6 1 °F 1927
6 1 °F 1974
8 2 °F 1985
9 3 °F 1930
10 5 °F 1982
10 5 °F 1926
10 5 °F 1981
Lowest High Temperatures in Boise on December 31
Rank Temperature Year
1 11 °F 1978
2 13 °F 1915
3 18 °F 1918
4 19 °F 1985
4 19 °F 1990
4 19 °F 2014
4 19 °F 1916
8 20 °F 1927
8 20 °F 1982
8 20 °F 2016
What's the most it has ever rained in Boise on 12/31?
For the date of Dec 31, the most precipitation ever recorded in Boise history is 0.40 inches which happened in 1931.
All-Time Most Precipitation in Boise on December 31
Rank Precipitation Year
1 0.40 inches 1931
2 0.22 inches 1998
2 0.22 inches 1942
2 0.22 inches 1913
5 0.19 inches 1939
6 0.17 inches 2005
7 0.16 inches 2009
7 0.16 inches 1933
9 0.15 inches 1928
10 0.14 inches 2001
All-Time Most Snow in Boise on December 31
Rank Precipitation Year
1 4.0 inches 1931
2 3.0 inches 2001
3 2.5 inches 1941
4 1.7 inches 2003
5 1.4 inches 2009
6 1.3 inches 1987
6 1.3 inches 1964
8 1.0 inches 1911
9 0.8 inches 1967
9 0.8 inches 1936
9 0.8 inches 1981
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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