Ontario, OR: July

31 July 2026: July 2026 averaged 79.8°F in Ontario, OR, the warmest July since 2024, tied 16th warmest of 70 (with 2018).

July 2026

Mean temperature: 79.8°F; Warmest since 2024; 16th warmest of 70
Precipitation: 0.21 in; Wettest since 2025; 25th wettest of 80

A normal July in Ontario, OR (1991 to 2020): 0.08 in of precipitation, between 0.00 in and 0.40 in in eight years of ten.

The mean temperature of every July in Ontario, OR since 1945: 79.8°F in 2026; the highest is 85.1°F, in 2021.

Every year, ranked, as a table

Every July in Ontario, OR from 1945 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	79.8	16	95.9	34	63.6	12	0.21	25	0
2025	78.6	22	94.1	43	63.1	13	0.66	3	0
2024	82.1	4	99.9	8	64.3	7	0.24	23	0
2023	81.6	7	98.6	13	64.6	4	trace	56	0
2022	82.8	2	99.5	10	66	2	trace	56	0
2021	85.1	1	101.8	2	68.5	1	0.41	11	0
2020	77	32	93.7	49	60.2	26	0.08	38	0
2019	78.1	25	93.9	47	62.3	17	trace	56	0
2018	79.8	16	97.3	22	62.4	16	trace	56	0
2017	81.7	5	98.8	12	64.5	5	0.01	53	0
2016	75.9	49	91.8	65	60.1	27	0.21	25	0
2015	76.5	41	92.9	60	60.1	27	0.49	8	0
2014	80.8	13	97.4	21	64.2	8	0.01	53	0
2013	81	10	98.3	15	63.7	10	0.00	77	0
2012	80.1	14	96.5	29	63.7	10	trace	56	0
2011	74.8	60	91.3	67	58.4	40	0.25	21	0
2010	75.1	58	92	63	58.3	46	0.01	53	0
2009	76.6	39	93.4	53	59.9	30	0.08	38	0
2008	77.6	28	94.3	41	60.9	20	0.33	18	0
2007	82.3	3	99.4	11	65.3	3	trace	56	0
2006	81	10	97.7	19	64.2	8	trace	56	0
2005	76.9	33	95.5	36	58.4	40	0.08	38	3
2004	76.7	38	93.4	53	59.9	30	0.03	50	0
2003	81.3	9	98.1	17	64.5	5	0.21	25	1
2002	79.7	18	96.8	26	62.6	14	0.11	32	0
2001	74.4	64	89.3	70	59.5	33	0.19	29	0
2000	76.3	43	92.2	62	60.3	25	trace	56	0
1999	72	69	88.7	72	55.1	74	trace	56	3
1998	78.1	25	94.1	43	62	18	1.73	1	0
1997									10
1996	76.9	33	96.7	28	57.2	53	0.25	21	2
1995			90.2	69			0.29	19	4
1994			96	33	60.6	24	0.34	17	5
1993					51.5	79	0.45	9	5
1992					56.5	60	0.39	12	7
1991	77.7	27	96.2	30	59.2	36	0.04	47	3
1990					60.9	20	0.04	47	4
1989					58.2	47	0.09	35	5
1988					59.8	32	0.09	35	6
1987					55.2	72	trace	56	4
1986					54.2	78	trace	56	9
1985	81.6	7	100.7	5	62.6	14	0.18	30	2
1984	76.6	39	94.7	38	58.4	40	0.07	41	0
1983	71.8	70	89.2	71	54.4	76	0.95	2	0
1982	73.8	67	90.9	68	56.7	57	0.51	7	2
1981	74.1	65	93	58	55.2	72	0.61	5	0
1980	75.2	56	93.9	47	56.6	59	trace	56	0
1979	76.8	36	95.2	37	58.4	40	0.10	33	0
1978	74.7	62	93.1	56	56.3	63	0.45	9	0
1977	74.7	62	93.5	52	56	66	0.39	12	0
1976	76.2	45	94.6	39	57.8	50	0.64	4	0
1975	79.3	20	97	24	61.6	19	0.38	15	0
1974	74.8	60	93.1	56	56.5	60	0.59	6	0
1973	79.2	21	99.7	9	58.8	37	trace	56	0
1972	75.6	52	95.9	34	55.3	71	trace	56	0
1971	78.2	24	98.5	14	58	49	0.04	47	0
1970	77.4	30	97.7	19	57.1	54	trace	56	0
1969	76.4	42	97.1	23	55.7	67	trace	56	0
1968	79.6	19	101.2	3	58.1	48	trace	56	0
1967	80.9	12	101.2	3	60.7	22	0.07	41	0
1966	77.5	29	97.9	18	57.1	54	0.00	77	0
1965	76.2	45	96.1	32	56.3	63	0.26	20	0
1964	76.9	33	97	24	56.8	56	0.39	12	0
1963	74	66	93.6	51	54.4	76	trace	56	0
1962	75	59	94.6	39	55.5	69	0.02	51	0
1961	80	15	100.2	6	60	29	0.14	31	1
1960	81.7	5	102.7	1	60.7	22	0.07	41	0
1959	78.4	23	100.2	6	56.5	60	trace	56	0
1958	76.2	45	96.8	26	55.7	67	0.35	16	0
1957	75.4	54	96.2	30	54.6	75	0.00	77	0
1956	77.1	31	98.2	16	56.1	65	0.06	45	0
1954	75.6	52	92.8	61	58.5	38	trace	56	0
1953	75.9	49	94	46	57.8	50	trace	56	0
1952	73.6	68	91.7	66	55.5	69	0.20	28	0
1951	76	48	93.7	49	58.4	40	0.02	51	0
1950	75.2	56	91.9	64	58.5	38	0.10	33	0
1949	75.7	51	93	58	58.4	40	0.07	41	0
1948					57.5	52	0.22	24	8
1947	76.8	36	94.2	42	59.4	34	0.00	77	0
1946	76.3	43	93.2	55	59.3	35	0.06	45	0
1945	75.4	54	94.1	43	56.7	57	0.09	35	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2021	85.1
2022	82.8
2007	82.3
2024	82.1
2017	81.7
1960	81.7
2023	81.6
1985	81.6
2003	81.3
2013	81
More years share the last value

Coldest
Year	Mean, °F
1983	71.8
1999	72
1952	73.6
1982	73.8
1963	74
1981	74.1
2001	74.4
1978	74.7
1977	74.7
2011	74.8
More years share the last value

Wettest
Year	Precipitation, in
1998	1.73
1983	0.95
2025	0.66
1976	0.64
1981	0.61
1974	0.59
1982	0.51
2015	0.49
1993	0.45
1978	0.45

Driest
Year	Precipitation, in
2013	0.00
1966	0.00
1957	0.00
1947	0.00
2023	trace
2022	trace
2019	trace
2018	trace
2012	trace
2007	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 104°F; 20 July 2026
Coldest night: 53°F; 4 July 2026, 2 July 2026
Wettest day: 0.21 in; 14 July 2026

Every month, season and year

Months

Seasons

Years

Ontario, OR the day's answers

All-time records

Every answer in words

July 2026 brought 0.21 in of precipitation in Ontario, OR, the wettest July since 2025, tied 25th wettest of 80 (with 2016 and 2003).
The hottest day of July 2026 in Ontario, OR: 104°F on Monday 20 July 2026.
The coldest night of July 2026 in Ontario, OR: a low of 53°F on Saturday 4 July 2026 and Thursday 2 July 2026.
The wettest day of July 2026 in Ontario, OR: 0.21 in on Tuesday 14 July 2026.