Lewiston, ID: December

31 December 2025: December 2025 averaged 42.6°F in Lewiston, ID, the warmest December since 1917 (1933 excluded: 31 of 31 days missing), 2nd warmest of 134.

December 2025

Mean temperature: 42.6°F; Warmest since 1917; 2nd warmest of 134
Precipitation: 1.57 in; Wettest since 2021; 38th wettest of 136

A normal December in Lewiston, ID (1991 to 2020): a mean temperature of 35.2°F, between 30.7°F and 37.9°F in eight years of ten and 0.98 in of precipitation, between 0.40 in and 1.79 in in eight years of ten.

The mean temperature of every December in Lewiston, ID since 1881: 42.6°F in 2025; the highest is 43.3°F, in 1917.

Normal range, 30.7 to 37.9°F

Every year, ranked, as a table

Every December in Lewiston, ID from 1881 to 2025, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2025	42.6	2	48.8	3	36.5	2	1.57	38	0
2024	39.3	15	44.6	22	34	11	1.43	48	0
2023	40.7	7	46.6	6	34.8	6	1.22	61	0
2022	32	107	37.7	112	26.3	103	1.19	63	0
2021	34.9	71	40.3	84	29.5	66	1.77	25	0
2020	37.4	38	43.6	36	31.3	44	0.65	113	0
2019	38.6	20	43.9	29	33.4	15	1.36	53	0
2018	36.8	49	42.5	55	31.4	41	0.80	97	1
2017	31.1	112	36.1	125	26.1	107	2.63	8	0
2016	28.7	126	34.6	129	22.7	124	1.59	36	0
2015	37.1	44	42.6	52	31.6	37	1.75	26	0
2014	37.9	29	43.6	36	32.1	28	1.84	22	0
2013	30.7	115	37.5	113	23.9	118	0.73	105	0
2012	38.1	26	43.4	43	32.8	20	0.86	90	0
2011	33.3	99	40.3	84	26.3	103	0.21	133	0
2010	35.6	66	41.4	70	29.7	63	1.70	27	0
2009	29.3	123	35.5	127	23	122	1.04	75	0
2008	30.4	117	36.5	122	24.3	113	1.60	35	0
2007	36.1	62	41.4	70	30.8	50	0.36	128	0
2006	35.6	66	41.8	61	29.3	70	0.96	82	0
2005	31.8	108	37.4	114	26.3	103	1.63	34	0
2004	37.9	29	43.9	29	31.8	35	0.86	90	0
2003	36.6	54	42.3	57	30.9	49	1.78	24	0
2002	38.1	26	43.5	39	32.7	22	0.68	110	0
2001	34.8	73	40.3	84	29.4	69	0.64	114	0
2000	32.9	103	37.8	110	27.9	93	0.72	106	0
1999	37.3	39	41.3	72	33.4	15	1.14	67	0
1998	34.5	80	40.5	80	28.4	81	1.00	79	0
1997	34.1	88	39.6	99	28.6	78	0.60	118	0
1996	34.2	87	40.3	84	28.2	86	2.62	9	0
1995	34.7	76	39.7	97	29.6	64	1.37	51	0
1994	34.6	78	40	94	29.1	74	1.05	73	0
1993	36	64	40.9	76	31.2	45	0.80	97	0
1992	32.7	104	38.4	105	27	101	0.39	126	0
1991	37.6	35	43.8	31	31.4	41	0.40	125	0
1990	30.6	116	37.8	110	23.3	121	0.92	87	0
1989	37.9	29	43.7	32	32	30	0.30	131	0
1988	34.1	88	40.4	82	27.9	93	0.53	119	0
1987	33.8	96	39.2	100	28.3	83	0.81	96	0
1986	34.7	76	40.3	84	29.1	74	0.53	119	0
1985	23.2	132	27.9	135	18.5	132	0.36	128	0
1984	30.4	117	36.7	119	24.2	115	0.69	109	0
1983	25.3	131	31.5	133	19.1	131	1.14	67	0
1982	34.8	73	40.3	84	29.3	70	1.03	76	0
1981	36.7	51	41.8	61	31.5	40	1.31	56	0
1980	40.3	8	46.3	11	34.4	10	0.88	89	0
1979	39.8	11	46.5	8	33	18	0.97	81	0
1978	29	124	34.5	130	23.5	119	0.96	82	0
1977	36.7	51	41.3	72	32.2	27	2.10	15	0
1976	35.6	66	41.7	67	29.5	66	0.26	132	0
1975	36.9	47	43	47	30.8	50	2.09	16	0
1974	37.3	39	44.2	25	30.5	57	0.77	99	0
1973	39.3	15	45.1	16	33.6	14	2.99	4	0
1972	28.9	125	36.4	123	21.5	127	1.65	31	0
1971	34.1	88	40.3	84	28	91	1.08	70	0
1970	34	91	40.5	80	27.5	97	0.14	135	0
1969	34.9	71	39.2	100	30.7	52	1.50	41	0
1968	31.1	112	37.1	116	25	111	2.13	14	0
1967	33.5	98	39.8	95	27.2	100	1.46	45	0
1966	39.8	11	45.7	13	33.9	13	1.70	27	0
1965	36.4	56	43.4	43	29.5	66	0.14	135	0
1964	31.5	111	38.6	103	24.3	113	3.28	3	0
1963	33.9	94	38.5	104	29.3	70	1.50	41	0
1962	36.7	51	42.8	48	30.7	52	1.67	30	0
1961	34	91	40.2	93	27.8	95	1.10	69	0
1960	31.6	110	37	117	26.2	106	0.77	99	0
1959	34.8	73	41.8	61	27.8	95	0.63	115	0
1958	39	17	45	17	33	18	2.79	5	0
1957	39.6	13	46.5	8	32.6	23	1.16	65	0
1956	36.2	60	43.6	36	28.8	76	0.84	95	0
1955	31.8	108	38.1	108	25.5	109	1.65	31	0
1954	33	102	41.8	61	24.2	115	0.20	134	0
1953	38.8	19	45.6	14	31.9	32	0.99	80	0
1952	36.2	60	41.8	61	30.6	55	0.86	90	0
1951	29.8	122	36.6	120	23	122	0.72	106	0
1950	41	5	46.6	6	35.4	4	1.87	20	0
1949	34.6	78	40.9	76	28.3	83	0.77	99	0
1948	28.5	127	34.8	128	22.2	126	1.46	45	0
1947	37.9	29	43.4	43	32.4	25	1.40	50	0
1946	36.4	56	42	59	30.7	52	0.67	111	0
1945	34.4	82	40.9	76	28	91	1.50	41	0
1944	33.2	101	38.4	105	28.1	88	1.05	73	0
1943	34.3	86	40.6	79	28.1	88	1.02	78	0
1942	37.1	44	43.7	32	30.5	57	1.87	20	0
1941	37	46	44.1	26	29.8	62	1.47	44	0
1940	35.1	70	41.8	61	28.4	81	1.53	40	0
1939	41.8	3	49	2	34.6	7	1.64	33	0
1938	36.8	49	43.5	39	30	61	0.62	117	0
1937	37.5	37	43.7	32	31.2	45	2.53	10	0
1936	36.3	58	44.4	23	28.2	86	1.45	47	0
1935	34.4	82	40.3	84	28.5	79	1.30	58	0
1934	38.2	24	45	17	31.4	41	1.57	38	0
1932	30.3	119	37.9	109	22.6	125	0.70	108	0
1931	33.7	97	39.2	100	28.3	83	1.92	19	0
1930	32.1	106	38.2	107	26	108	0.76	102	0
1929	39.6	13	44.8	20	34.5	9	1.93	18	0
1928	34.4	82	41.3	72	27.5	97	0.39	126	0
1927	27.6	129	34.4	131	20.8	128	1.16	65	0
1926	36	64	41	75	31.1	48	1.24	60	0
1925	40.1	10	45.2	15	35	5	1.29	59	0
1924	27.5	130	34.2	132	20.7	129	0.85	94	0
1923	37.2	42	44	27	30.4	59	1.83	23	0
1922	31	114	37	117	25	111	1.33	55	0
1921	34.5	80	40.3	84	28.7	77	0.90	88	0
1920	38.3	23	43.7	32	32.8	20	1.31	56	0
1919	21.9	133	29.1	134	14.7	133	2.14	12	0
1918	36.5	55	42.7	49	30.3	60	0.45	121	0
1917	43.3	1	49.7	1	36.9	1	3.99	2	0
1916	30.2	120	36.2	124	24.2	115	1.59	36	0
1915	36.1	62	42.6	52	29.6	64	0.93	85	0
1914	28.4	128	36.1	125	20.7	129	0.32	130	0
1913	33.3	99	39.7	97	27	101	0.75	103	0
1912	37.7	33	44.7	21	30.6	55	0.45	121	0
1911	33.9	94	39.8	95	28.1	88	1.07	71	0
1910	37.3	39	42.6	52	31.9	32	0.75	103	0
1909	32.4	105	37.3	115	27.5	97	0.63	115	0
1908	34.4	82	40.4	82	28.5	79	0.41	124	0
1907	38.5	21	45	17	31.9	32	1.19	63	0
1906	38.5	21	42.3	57	34.6	7	2.68	7	0
1905	37.2	42	42.7	49	31.6	37	0.86	90	0
1904	37.7	33	43.4	43	32.1	28	1.03	76	0
1903	36.3	58	41.5	68	31.2	45	0.96	82	0
1902	36.9	47	41.5	68	32.3	26	1.70	27	0
1901	38.2	24	44.4	23	32	30	2.14	12	0
1900	41.7	4	47	5	36.4	3	0.93	85	0
1899	39	17	46.3	11	31.6	37	1.43	48	0
1898	30.1	121	36.6	120	23.5	119	0.45	121	0
1897			42.7	49			1.37	51	31
1896	41	5	48.8	3	33.2	17	1.97	17	0
1895			44	27			1.22	61	21
1894	34	91	42.4	56	25.5	109	0.66	112	0
1885	40.2	9	46.4	10	34	11	2.16	11	0
1884	18.7	134	25.4	136	12	134	2.79	5	0
1883	35.6	66	42	59	29.3	70	1.36	53	0
1882	38.1	26	43.5	39	32.6	23	4.88	1	0
1881	37.6	35	43.5	39	31.7	36	1.07	71	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1917	43.3
2025	42.6
1939	41.8
1900	41.7
1950	41
1896	41
2023	40.7
1980	40.3
1885	40.2
1925	40.1

Coldest
Year	Mean, °F
1884	18.7
1919	21.9
1985	23.2
1983	25.3
1924	27.5
1927	27.6
1914	28.4
1948	28.5
2016	28.7
1972	28.9

Wettest
Year	Precipitation, in
1882	4.88
1917	3.99
1964	3.28
1973	2.99
1958	2.79
1884	2.79
1906	2.68
2017	2.63
1996	2.62
1937	2.53

Driest
Year	Precipitation, in
1970	0.14
1965	0.14
1954	0.20
2011	0.21
1976	0.26
1989	0.30
1914	0.32
2007	0.36
1985	0.36
1992	0.39
More years share the last value

The hottest, coldest and wettest days

Hottest day: 65°F; 10 December 2025
Coldest night: 22°F; 28 December 2025
Wettest day: 0.21 in; 4 December 2025

Every month, season and year

Months

Seasons

Years

Lewiston, ID the day's answers

All-time records

Every answer in words

December 2025 brought 1.57 in of precipitation in Lewiston, ID, the wettest December since 2021, tied 38th wettest of 136 (with 1934).
The hottest day of December 2025 in Lewiston, ID: 65°F on Wednesday 10 December 2025.
The coldest night of December 2025 in Lewiston, ID: a low of 22°F on Sunday 28 December 2025.
The wettest day of December 2025 in Lewiston, ID: 0.21 in on Thursday 4 December 2025.