Klamath Falls, OR: December

31 December 2025: December 2025 averaged 36.3°F in Klamath Falls, OR, the warmest December since 1958 (1993 excluded: 4 of 31 days missing; 1998 excluded: 14 of 31 days missing; 1999 excluded: 15 of 31 days missing; 1 more year excluded for missing days), 6th warmest of 120.

December 2025

Mean temperature: 36.3°F; Warmest since 1958; 6th warmest of 120
Precipitation: 3.58 in; Wettest since 2005; 16th wettest of 123

A normal December in Klamath Falls, OR (1991 to 2020): 1.65 in of precipitation, between 0.46 in and 3.87 in in eight years of ten.

The mean temperature of every December in Klamath Falls, OR since 1898: 36.3°F in 2025; the highest is 38.7°F, in 1950.

Every year, ranked, as a table

Every December in Klamath Falls, OR from 1897 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	36.3	6	48.3	2	24.2	46	3.58	16	0
2024	35.9	10	45.7	4	26	25	2.92	29	0
2023	36.2	7	44.9	8	27.6	11	1.89	51	0
2022	26.6	102	34.8	109	18.4	97	2.99	28	0
2021	30.1	70	39.9	57	20.3	85	0.65	110	0
2020	31	62	41.6	36	20.4	84	0.81	101	0
2019	34.3	17	41.5	38	27.1	14	1.67	59	0
2018	31.3	57	39.8	61	22.7	57	1.62	64	0
2017	29.9	74	41.2	42	18.6	96	0.33	119	0
2016	28.7	89	37.9	80	19.5	91	1.51	71	0
2015	29.4	81	37.1	87	21.7	74	2.84	31	0
2014							3.24	22	6
2013	22.7	120	36	98	9.4	122	0.28	120	0
2012	28.3	92	37.2	86	19.5	91	1.67	59	0
2011	29.4	81	44.2	11	14.6	118	0.44	116	0
2010	33.6	29	40.5	45	26.6	20	2.62	33	0
2009	26	107	36	98	16	114	0.78	104	0
2008	26.6	102	36.8	92	16.4	110	1.02	92	0
2007	26	107	34.8	109	17.1	104	1.52	70	0
2006	31.2	59	39.9	57	22.5	62	2.11	44	0
2005	30.7	67	38.1	77	23.4	50	4.07	12	0
2004	32.9	38	42.5	22	23.4	50	1.95	49	0
2003	32.6	44	39.4	63	25.8	28	2.00	45	0
2002	33.7	27	41.7	35	25.7	29	2.62	33	0
2001	29.5	78	36.4	97	22.6	61	2.52	40	0
2000	32.1	52	42.4	24	21.9	69	0.47	114	0
1999									15
1998									14
1997	31.2	59	40.5	45	22	67	0.73	107	0
1996	35	12	42.3	28	27.8	9	4.69	7	0
1995	35.7	11	43	18	28.4	5	4.59	9	2
1994	29	85	37.4	83	20.5	83	0.91	97	0
1993					21.9	69	1.31	75	4
1992	26.2	105	34.9	108	17.2	103	3.78	15	3
1991	33.3	34	41.8	32	24.9	41	1.10	88	3
1990	24.5	117	35.4	104	12.8	121	0.80	102	2
1989	32.4	49	43.9	12	21.2	77	0.43	117	1
1988	29.3	83	39	68	19.5	91	1.23	81	0
1987	29.8	75	37.9	80	21.9	69	4.02	13	2
1986	31.8	54	40.4	51	23.3	52	0.62	111	1
1985	29.5	78	38.8	70	20.1	87	0.74	106	0
1984	24.7	116	33.1	120	16.4	110	1.30	76	0
1983	29.8	75	36.5	96	23.2	53	5.81	4	1
1982	30.1	70	38	78	22.5	62	3.15	26	1
1981	36.1	8	42.5	22	29.7	3	5.87	3	0
1980	33.6	29	42.4	24	24.8	43	1.80	55	0
1979	33.8	23	42.2	29	25.5	32	1.29	77	1
1978	26.4	104	35.1	106	17.7	101	0.57	112	0
1977	33.8	23	41.6	36	26	25	3.38	18	0
1976	31	62	44.8	9	16.8	107	0.22	123	1
1975	34.1	19	41.9	31	26.2	24	1.05	90	2
1974	31.5	55	39.9	57	23.1	54	1.88	53	1
1973	35	12	41.5	38	28.5	4	2.19	43	0
1972	24.5	117	34.4	113	14.9	117	1.81	54	1
1971	25.5	109	34.4	113	16.7	109	1.65	62	0
1970	28.3	92	34.8	109	21.7	74	1.46	72	1
1969	33.8	23	42.4	24	25.3	33	4.69	7	0
1968	28.2	94	37.1	87	19.2	94	1.64	63	3
1967	24.3	119	33.9	116	14.6	118	1.12	86	0
1966	33.7	27	41.8	32	25.7	29	2.90	30	1
1965	27.7	98	37.4	83	17.9	99	1.29	77	0
1964	32.9	38	39.3	64	26.4	22	8.93	1	0
1963	33.2	35	43.7	15	22.7	57	0.70	108	0
1962	34.8	15	44.4	10	25.2	36	1.58	66	0
1961	29.5	78	38.5	72	20.7	81	2.54	39	1
1960	32.5	45	42.2	29	22.7	57	1.91	50	0
1959	28.2	94	40.5	45	16	114	0.42	118	0
1958	37.6	3	48.7	1	26.5	21	0.88	98	0
1957	33.4	33	43.1	17	23.7	48	3.38	18	1
1956	32.7	41	41.5	38	23.9	47	1.61	65	1
1955	32.5	45	38.6	71	26.4	22	6.42	2	0
1954	32	53	38.9	69	24.9	41	1.54	67	1
1953	34.1	19	41.4	41	26.9	16	1.79	56	0
1952	28.9	86	36.7	94	21	78	4.46	10	0
1951	27.4	99	35.1	106	19.6	90	4.92	6	0
1950	38.7	1	45.5	5	31.9	1	2.62	33	0
1949	30.1	70	39.9	57	20.3	85	1.08	89	0
1948	25.5	109	33.6	119	17.5	102	3.31	20	0
1947	33.5	31	41.8	32	25.2	36	0.94	96	0
1946	34.5	16	42.4	24	26.7	18	0.83	99	0
1945	31.3	57	37.3	85	25.3	33	3.30	21	0
1944	32.5	45	39.3	64	25.6	31	0.77	105	0
1943	32.8	40	40.6	44	25	40	0.70	108	0
1942	33.5	31	40	55	26.9	16	2.73	32	0
1941	33	36	39.3	64	26.7	18	4.02	13	0
1940	34	21	40.8	43	27.3	13	2.00	45	0
1939	37	4	43.9	12	30.1	2	5.30	5	0
1938	32.2	51	38.5	72	25.9	27	1.02	92	0
1937	34.2	18	40.3	52	28.1	7	3.17	24	0
1936	31.4	56	40	55	22.7	57	0.80	102	0
1935	31.1	61	37	89	25.3	33	1.67	59	0
1934	31	62	36.9	90	25.1	38	1.03	91	0
1933	36	9	43.8	14	28.1	7	1.72	58	0
1932	25	114	33.8	117	16.2	112	1.01	95	0
1931	28.1	96	35.4	104	20.9	79	1.02	92	0
1930	29.2	84	37.8	82	20.6	82	0.27	122	0
1929	37.7	2	47.6	3	27.8	9	4.25	11	1
1928	27.3	100	36.8	92	17.8	100	1.89	51	0
1927	28.5	91	42.6	21	13.8	120	1.98	48	3
1926	31	62	38.2	75	23.7	48	1.29	77	0
1925	32.7	41	40.3	52	25.1	38	1.12	86	0
1924	25.4	111	33.7	118	17.1	104	3.04	27	0
1923	29.7	77	38	78	21.4	76	1.22	82	0
1922	28.8	88	35.7	101	21.9	69	3.55	17	0
1921	31	62	39.8	61	21.9	69	2.00	45	1
1920			36.6	95	23.1	54	2.58	37	4
1919	26.1	106	35.7	101	16.9	106	2.21	42	1
1918	28.6	90	38.3	74	19	95	0.55	113	2
1917	36.7	5	45.2	7	28.2	6	0.45	115	0
1916	25.4	111	34.8	109	15.9	116	1.77	57	0
1915	32.5	45	40.5	45	24.5	45	1.40	73	0
1914	24.8	115	32.8	121	16.8	107	0.28	120	0
1913	30.6	68	38.2	75	23	56	3.16	25	0
1912	30.5	69	39.1	67	22	67	2.62	33	0
1911	25.2	113	34.2	115	16.2	112	1.15	85	0
1910	32.4	49	40.1	54	24.6	44	1.19	83	1
1909	27	101	35.8	100	18.3	98	1.27	80	0
1908	27.8	97	35.6	103	19.9	88	0.83	99	0
1907	34.9	14	42.8	20	27	15			0
1905	30.1	70	40.5	45	19.8	89	1.18	84	0
1904							1.54	67	7
1903	33.8	23	45.3	6	22.3	66	1.36	74	0
1902	33	36	43.6	16	22.5	62	3.20	23	1
1901	32.7	41	42.9	19	22.4	65	2.29	41	0
1900	34	21	40.5	45	27.5	12			0
1898	28.9	86	36.9	90	20.8	80	1.53	69	0
1897							2.56	38	6

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1950	38.7
1929	37.7
1958	37.6
1939	37
1917	36.7
2025	36.3
2023	36.2
1981	36.1
1933	36
2024	35.9

Coldest
Year	Mean, °F
2013	22.7
1967	24.3
1990	24.5
1972	24.5
1984	24.7
1914	24.8
1932	25
1911	25.2
1924	25.4
1916	25.4

Wettest
Year	Precipitation, in
1964	8.93
1955	6.42
1981	5.87
1983	5.81
1939	5.30
1951	4.92
1996	4.69
1969	4.69
1995	4.59
1952	4.46

Driest
Year	Precipitation, in
1976	0.22
1930	0.27
2013	0.28
1914	0.28
2017	0.33
1959	0.42
1989	0.43
2011	0.44
1917	0.45
2000	0.47

The hottest, coldest and wettest days

Hottest day: 59°F; 10 December 2025
Coldest night: 12°F; 14 December 2025
Wettest day: 1.04 in; 21 December 2025

Every month, season and year

Months

Seasons

Years

Klamath Falls, OR the day's answers

All-time records

Every answer in words

December 2025 brought 3.58 in of precipitation in Klamath Falls, OR, the wettest December since 2005, 16th wettest of 123.
The hottest day of December 2025 in Klamath Falls, OR: 59°F on Wednesday 10 December 2025.
The coldest night of December 2025 in Klamath Falls, OR: a low of 12°F on Sunday 14 December 2025.
The wettest day of December 2025 in Klamath Falls, OR: 1.04 in on Sunday 21 December 2025.