Ontario, OR: January

31 January 2026: January 2026 averaged 32.6°F in Ontario, OR, the warmest January since 2023, 22nd warmest of 68.

January 2026

Mean temperature: 32.6°F; Warmest since 2023; 22nd warmest of 68
Precipitation: 0.77 in; Driest since 2022; 22nd driest of 74

The mean temperature of every January in Ontario, OR since 1946: 32.6°F in 2026; the highest is 39.6°F, in 1953.

Every year, ranked, as a table

Every January in Ontario, OR from 1946 to 2026, 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
2026	32.6	22	38.9	26	26.4	18	0.77	52	0
2025	32.2	23	41.6	15	22.7	36	1.42	23	0
2024	31	31	37.5	33	24.5	26	2.19	8	0
2023	33.7	16	40.5	19	26.9	13	0.87	49	0
2022	28.5	42	35.2	50	21.8	42	0.77	52	0
2021	36.6	4	43.6	5	29.6	3	1.14	40	0
2020	37	2	44.6	2	29.4	4	1.48	21	0
2019	34.5	11	42.7	9	26.3	20	1.38	27	0
2018	35.5	6	42.8	8	28.3	6	1.11	41	0
2017	17.8	65	24.9	70	10.6	68	3.31	2	0
2016	30	35	36.5	42	23.6	31	0.75	54	0
2015	31.4	27	37.2	38	25.6	23	0.56	63	0
2014	27.4	48	32.7	54	22.2	38	0.64	61	0
2013	15.8	66	23.9	72	7.6	73	0.54	64	0
2012	32.8	21	42	13	23.6	31	1.40	25	0
2011	26.2	51	32	58	20.4	48	0.86	51	0
2010	33.6	17	39.5	23	27.6	10	1.40	25	0
2009	28.2	44	34.3	51	22.1	39	0.71	56	0
2008	24.3	55	32	58	16.7	57	0.61	62	0
2007	28	46	38.3	30	17.8	55	0.04	74	0
2006	34.1	14	40.4	20	27.8	7	1.59	18	0
2005	30.1	33	36.4	45	23.8	29	0.38	70	1
2004	23.8	57	29.4	66	18.6	52	1.77	12	3
2003	36.9	3	41.9	14	31.9	2	1.18	36	0
2002	31.8	24	37.8	32	25.8	22	0.47	68	0
2001	26.5	50	32.3	56	20.7	46	1.24	33	0
2000	31.2	29	37	39	25.5	24	2.37	5	0
1999	34.3	12	41.3	17	27.3	12	0.69	57	0
1998	33.6	17	40.3	21	26.8	15			0
1996	30.6	32	38.5	29	22.5	37	1.62	16	3
1995			40.8	18			1.67	13	6
1994			37.5	33	26.4	18			4
1993					14.8	62			6
1992					23.4	33	0.89	46	4
1991			29.6	64	13.4	65	1.09	42	4
1990	33.2	20	42.1	11	24.1	27	0.73	55	2
1989					8.2	71	1.42	23	5
1988							1.17	37	10
1987			31.7	60	15.2	61	1.34	29	4
1986			31.5	61			1.08	43	7
1985	18	63	27.9	68	7.8	72	0.15	71	2
1984	23.8	57	29.5	65	17.6	56	0.41	69	2
1983	31.1	30	38.2	31	23.9	28	1.23	34	3
1982	22.8	59	32.2	57	13.1	66	1.54	19	2
1981	34.1	14	38.9	26	29.3	5	1.20	35	0
1980	29.7	38	37.5	33	21.9	40	1.02	44	0
1979	14.5	67	24.5	71	4.5	74			0
1978	35.2	7	42.6	10	27.8	7	2.06	9	1
1977	18	63	26.1	69	10	69	0.87	49	0
1976	27.3	49	36.2	47	17.9	54	1.92	10	1
1975	24.5	54	32.7	54	16.3	58	0.88	48	0
1974	28.1	45	36.6	41	19.6	49	0.68	59	0
1973	29.9	36	36.9	40	22.9	35	1.26	31	0
1972	28.4	43	37.5	33	19.3	50	1.16	38	0
1971	33.3	19	40.1	22	26.5	16	1.25	32	0
1970	34.3	12	42.1	11	26.5	16	4.39	1	0
1969	29.9	36	36.3	46	23.4	33	2.90	3	0
1968	29.6	39	38.7	28	20.5	47	0.48	67	0
1967	35.2	7	42.9	6	27.4	11	1.52	20	0
1966	35	9	44.6	2	25.5	24	0.11	73	0
1965	31.7	25	37.5	33	25.9	21	2.35	6	0
1964	26	52	33.9	52	18.1	53	2.34	7	0
1963	25.9	53	35.5	49	16.3	58	1.00	45	0
1962	21.1	61	30.3	63	12	67	0.89	46	0
1961	30.1	33	39.1	25	21.1	45	0.51	65	0
1960	23.9	56	33.4	53	14.7	63	1.45	22	1
1959	34.9	10	42.9	6	26.9	13	1.27	30	0
1958	29	40	36.5	42	21.6	43	1.61	17	0
1957	19.1	62	28.5	67	9.8	70	1.65	14	0
1956	31.5	26	39.3	24	23.7	30	2.42	4	0
1954	35.9	5	44	4	27.7	9	0.69	57	0
1953	39.6	1	46.8	1	32.5	1	1.64	15	0
1952					16.2	60	1.38	27	4
1951	28.8	41	35.6	48	21.9	40	1.16	38	0
1950	22.5	60	31.1	62	13.8	64	1.87	11	0
1949	7	68	18.5	73	-4.6	75	0.14	72	0
1948	31.4	27	41.5	16	21.3	44	0.51	65	0
1946	27.7	47	36.5	42	19	51	0.68	59	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1953	39.6
2020	37
2003	36.9
2021	36.6
1954	35.9
2018	35.5
1978	35.2
1967	35.2
1966	35
1959	34.9

Coldest
Year	Mean, °F
1949	7
1979	14.5
2013	15.8
2017	17.8
1985	18
1977	18
1957	19.1
1962	21.1
1950	22.5
1982	22.8

Wettest
Year	Precipitation, in
1970	4.39
2017	3.31
1969	2.90
1956	2.42
2000	2.37
1965	2.35
1964	2.34
2024	2.19
1978	2.06
1976	1.92

Driest
Year	Precipitation, in
2007	0.04
1966	0.11
1949	0.14
1985	0.15
2005	0.38
1984	0.41
2002	0.47
1968	0.48
1961	0.51
1948	0.51

The hottest, coldest and wettest days

Hottest day: 52°F; 3 January 2026
Coldest night: 13°F; 25 January 2026
Wettest day: 0.39 in; 1 January 2026

Every month, season and year

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Ontario, OR the day's answers

All-time records

Every answer in words

January 2026 brought 0.77 in of precipitation in Ontario, OR, the driest January since 2022, tied 22nd driest of 74 (with 2022).
The hottest day of January 2026 in Ontario, OR: 52°F on Saturday 3 January 2026.
The coldest night of January 2026 in Ontario, OR: a low of 13°F on Sunday 25 January 2026.
The wettest day of January 2026 in Ontario, OR: 0.39 in on Thursday 1 January 2026.