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 1911–2024
Highest temperature	57 °F	1996
Lowest temperature	-21 °F	1972
Lowest daily high	5 °F	1972
Highest daily low	46 °F	1996
Most precipitation	0.40 inches	2004
Most snow	2.6 inches	1947

December 9 All-Time Records
1911–2024

Highest temperature

57 °F

-21 °F

5 °F

Highest daily low

46 °F

0.40 inches

2.6 inches

December 9 Average Weather 1991–2020 ¹
Average high	40.2 °F
Average low	26.0 °F
Chance precipitation	37.8%
Chance snow	16.4%

December 9 Average Weather
1991–2020 ¹

Average high

40.2 °F

Average low

26.0 °F

Chance precipitation

37.8%

Chance snow

16.4%

Boise December 9 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	39	24	0.00	0.0
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	0.04	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

What's the all-time high for Boise on 12/9?

For the date of Dec 9, the highest temperature ever reached in Boise history is 57 °F which has happened 2 times, most recently in 1996.

Highest Temperatures in Boise on December 9

Rank	Temperature	Year
1	57 °F	1996
1	57 °F	1993
3	56 °F	2015
3	56 °F	1981
3	56 °F	1929
6	55 °F	1968
7	53 °F	1939
8	52 °F	1990
8	52 °F	1915
10	49 °F	2014
10	49 °F	1950

What's the all-time low for Boise on 12/9?

For the date of Dec 9, the lowest temperature ever reached in Boise history is -21 °F which happened in 1972.

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	1980
7	8 °F	1961
9	10 °F	1930
10	11 °F	1928
10	11 °F	1916
10	11 °F	1986

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

What's the most it has ever rained in Boise on 12/9?

For the date of Dec 9, the most precipitation ever recorded in Boise history is 0.40 inches which happened in 2004.

All-Time Most Precipitation in Boise on December 9

Rank	Precipitation	Year
1	0.40 inches	2004
2	0.39 inches	1942
3	0.30 inches	1939
3	0.30 inches	1987
5	0.25 inches	2016
6	0.20 inches	1927
6	0.20 inches	1947
8	0.15 inches	1963
9	0.13 inches	2022
9	0.13 inches	1983

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	1978
7	0.6 inches	1999
9	0.5 inches	1916
10	0.4 inches	1969
10	0.4 inches	2021

Weather Station Details

Years	Station	Coordinates
1940–2024		location
1911–1939	Meridian 1 W	location