Hillsboro, OR: January

31 January 2026: January 2026 averaged 40.3°F in Hillsboro, OR, the warmest January since 2023, tied 39th warmest of 93 (with 1956).

January 2026

Mean temperature: 40.3°F; Warmest since 2023; 39th warmest of 93
Precipitation: 2.82 in; Driest since 2025; 14th driest of 97

A normal January in Hillsboro, OR (1991 to 2020): a mean temperature of 40.4°F, between 36.3°F and 44°F in eight years of ten and 5.15 in of precipitation, between 2.40 in and 8.30 in in eight years of ten.

The mean temperature of every January in Hillsboro, OR since 1930: 40.3°F in 2026; the highest is 47.1°F, in 1953.

Normal range, 36.3 to 44°F

Every year, ranked, as a table

Every January in Hillsboro, OR from 1930 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	40.3	39	48.9	14	31.7	64	2.82	84	0
2025	39.1	55	48.5	21	30.2	73	1.69	92	1
2024	40.2	41	45.9	50	34.4	37	9.66	8	0
2023	41.5	24	47.6	30	35.4	25	3.48	78	0
2022	39.8	48	48.1	26	31.6	66	4.29	68	0
2021	43	11	49.4	11	36.7	14	7.86	19	0
2020	44.2	4	49.1	13	39.2	2	7.18	28	0
2019	41	30	49.3	12	32.8	51	3.12	80	0
2018	44.2	4	50.3	6	38.1	6	5.17	53	0
2017	33.2	86	40.5	84	25.9	86	4.11	70	0
2016							7.53	23	5
2015	42.6	15	50.3	6	35	30	3.01	82	0
2014	40.2	41	47.9	27	32.4	56	2.41	86	0
2013	36.2	76	42.1	79	30.3	72	1.47	93	0
2012	39.5	52	46.7	38	32.2	60	5.79	43	0
2011	39.6	51	45.7	53	33.5	45	3.59	76	0
2010	44.7	2	50.4	5	39	3	5.14	54	0
2009	38.1	64	45.5	56	30.8	69	4.36	66	1
2008	36.6	74	42.5	77	30.8	69	5.38	51	0
2007	36.3	75	44	66	28.6	81	3.24	79	0
2006	43.3	9	48.8	15	37.7	9	11.90	2	0
2005	41.2	28	47.9	27	34.5	35	2.27	87	0
2004	37.8	68	42.8	76	32.9	50	5.90	41	0
2003	44	6	51.1	3	36.9	12	8.29	16	0
2002	39.9	46	45.4	57	34.4	37	7.31	25	0
2001	39.8	48	47.3	32	32.3	58	1.94	90	0
2000	38.5	59	45.1	61	31.9	62	6.92	31	0
1999	40.8	34	46.2	41	35.4	25	7.48	24	0
1998	43.8	8	48.6	18	39	3	8.36	15	0
1997	40.8	34	45.8	52	35.8	20	7.67	20	0
1996	40.4	37	45.3	58	35.5	23	7.56	22	0
1995	43.9	7	49.5	10	38.3	5	8.63	14	0
1994	43	11	48.8	15	37.2	11	4.42	63	0
1993	35.6	79	41.7	82	29.5	76	4.27	69	0
1992	42.5	16	48.7	17	36.2	16	4.65	59	1
1991	38.4	60	46.2	41	30.6	71	3.01	82	0
1990	42.2	19	48.4	24	36	17	9.66	8	0
1989	40.8	34	46.7	38	35	30	3.53	77	1
1988	38.3	62	44.3	64	32.4	56	5.71	45	0
1987	39.9	46	46.8	37	33	49	7.04	30	0
1986	42.5	16	50.1	8	34.9	32	6.40	34	0
1985	35	81	44.1	65	26	85	0.32	97	0
1984	41.2	28	48.6	18	33.8	42	1.94	90	0
1983	42.4	18	48.5	21	36.3	15	6.39	35	0
1982	37.4	72	43	75	31.7	64	5.62	46	0
1981	42.8	14	51.8	2	33.7	43	2.22	88	0
1980	35.8	78	43.5	72	28.2	82	7.96	17	0
1979	30.8	88	38	89	23.5	89	2.57	85	0
1978	41.8	20	46.1	45	37.6	10	7.12	29	0
1977			46.1	45			1.02	96	6
1976	41.6	21	47.8	29	35.4	25	5.53	47	0
1975	41.3	25	47.1	34	35.6	22	7.94	18	0
1974	37.8	68	43.6	71	32	61	9.64	10	0
1973	38.9	56	43.8	70	33.5	45	4.70	58	2
1972	38	67	43.5	72	32.6	52	6.77	33	1
1971	40	45	44.7	63	35.4	25	5.80	42	0
1970	41	30	46	48	36	17	11.72	3	0
1969	33.7	85	38.7	87	28.7	80	6.82	32	0
1968	40.4	37	45.9	50	34.8	33	6.24	36	0
1967	43.2	10	48.6	18	37.8	7	7.20	27	1
1966	39.7	50	45.3	58	34.3	39	7.63	21	1
1965	40.2	41	46	48	34.3	39	7.31	25	0
1964	41.6	21	47.1	34	36	17	11.16	5	1
1963	34	83	40.7	83	27	84	3.69	74	2
1962	38.4	60	45.7	53	30.9	68	1.05	95	2
1961	44.4	3	50.9	4	37.8	7	5.39	50	2
1960	33.8	84	38.4	88	29.2	78	5.11	55	2
1959	40.9	33	46.4	40	35.5	23	9.46	11	1
1958	42.9	13	49.6	9	36.9	12	5.74	44	2
1957	30.7	89	36.3	90	25	87	2.03	89	0
1956	40.3	39	46.2	41	34.5	35	11.23	4	1
1955	38.1	64	43.9	68	32.5	54	3.11	81	1
1954	38.1	64	43.9	68	32.3	58	10.23	6	0
1953	47.1	1	52.9	1	41.1	1	11.99	1	1
1952	35.9	77	41.9	80	30	75	4.90	56	0
1951	38.6	58	44.9	62	32.5	54	9.07	13	2
1950	28.7	90	35.3	92	21.8	91	10.07	7	1
1949	27.6	92	36.2	91	18.8	92	1.30	94	1
1948	37.8	68	46.2	41	29.5	76	6.24	36	0
1947	35.5	80	41.9	80	29.1	79	4.53	60	0
1946	39.2	54	45.3	58	33.1	48	6.13	38	0
1945	41	30	48.2	25	33.7	43	3.60	75	0
1944	38.2	63	46.1	45	30.2	73	4.11	70	0
1943	32.9	87	40.1	86	25	87	6.00	40	1
1942	34.1	82	40.2	85	27.9	83	4.30	67	0
1941	41.3	25	48.5	21	34.1	41	6.03	39	1
1940	40.2	41	46.9	36	33.2	47	3.84	73	1
1939	41.6	21	47.2	33	35.8	20	4.37	65	1
1938	39.3	53	45.7	53	32.6	52	4.44	62	1
1937	28.3	91	34.3	93	22.2	90	4.76	57	0
1936	41.3	25	47.4	31	35.3	29	9.29	12	1
1935	37.7	71	44	66	31.4	67	4.47	61	0
1934							5.41	49	21
1933	38.7	57	43.1	74	34.6	34	5.38	51	2
1932	37.1	73	42.5	77	31.8	63	5.48	48	1
1931							4.42	63	6
1930	25.3	93	32.7	94	18.1	93	3.95	72	2

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1953	47.1
2010	44.7
1961	44.4
2020	44.2
2018	44.2
2003	44
1995	43.9
1998	43.8
2006	43.3
1967	43.2

Coldest
Year	Mean, °F
1930	25.3
1949	27.6
1937	28.3
1950	28.7
1957	30.7
1979	30.8
1943	32.9
2017	33.2
1969	33.7
1960	33.8

Wettest
Year	Precipitation, in
1953	11.99
2006	11.90
1970	11.72
1956	11.23
1964	11.16
1954	10.23
1950	10.07
2024	9.66
1990	9.66
1974	9.64

Driest
Year	Precipitation, in
1985	0.32
1977	1.02
1962	1.05
1949	1.30
2013	1.47
2025	1.69
2001	1.94
1984	1.94
1957	2.03
1981	2.22

The hottest, coldest and wettest days

Hottest day: 59°F; 31 January 2026, 15 January 2026
Coldest night: 20°F; 25 January 2026
Wettest day: 0.80 in; 6 January 2026

Every month, season and year

Months

Seasons

Years

2025

Hillsboro, OR the day's answers

All-time records

Every answer in words

January 2026 brought 2.82 in of precipitation in Hillsboro, OR, the driest January since 2025, 14th driest of 97.
The hottest day of January 2026 in Hillsboro, OR: 59°F on Saturday 31 January 2026 and Thursday 15 January 2026.
The coldest night of January 2026 in Hillsboro, OR: a low of 20°F on Sunday 25 January 2026.
The wettest day of January 2026 in Hillsboro, OR: 0.80 in on Tuesday 6 January 2026.