July weather in Ontario, OR
The average temperature in Ontario in July is 76.8°F (60.1°F–93.4°F). Average precipitation: 0.25 inches.
July is a summer month in Ontario, and is warmer than the annual average of 51.6°F. Daily temperatures swing about 33.3°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 14h 59m. For travel, July is hot.
Avg High
93.4°F
Avg Low
60.1°F
Precipitation
0.25 in
Daylight
14h 59m
July records in Ontario
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.9°F (1967) | 39.9°F (1968) | 0.50 in (1997) |
| July 2 | 106.0°F (1967) | 42.1°F (1976) | 0.63 in (1904) |
| July 3 | 106.0°F (1967) | 37.0°F (1995) | 0.30 in (1982) |
| July 4 | 108.0°F (1968) | 41.0°F (1999) | 0.54 in (1998) |
| July 5 | 109.9°F (2001) | 34.0°F (1986) | 0.17 in (1994) |
| July 6 | 105.1°F (1985) | 44.1°F (1988) | 0.32 in (2001) |
| July 7 | 108.0°F (1968) | 43.0°F (1977) | 0.43 in (1981) |
| July 8 | 107.1°F (1968) | 37.0°F (1981) | 0.15 in (1907) |
| July 9 | 106.0°F (1968) | 42.1°F (1959) | 0.12 in (1974) |
| July 10 | 109.9°F (1973) | 46.0°F (1997) | 0.68 in (1997) |
| July 11 | 109.9°F (2002) | 44.1°F (1983) | 0.08 in (1952) |
| July 12 | 113.0°F (1967) | 43.0°F (1950) | 0.11 in (1952) |
| July 13 | 107.1°F (1967) | 41.0°F (1950) | 0.10 in (1908) |
| July 14 | 107.1°F (2002) | 44.1°F (1965) | 0.10 in (1983) |
| July 15 | 111.9°F (2002) | 42.1°F (2009) | 0.20 in (1906) |
| July 16 | 108.0°F (1960) | 44.1°F (1983) | 0.09 in (1989) |
| July 17 | 109.9°F (1960) | 44.1°F (1993) | 0.11 in (1904) |
| July 18 | 109.0°F (1960) | 43.0°F (1987) | 0.37 in (1976) |
| July 19 | 111.9°F (1960) | 43.0°F (1962) | 0.01 in (1977) |
| July 20 | 109.0°F (1960) | 44.1°F (1962) | 0.07 in (1992) |
| July 21 | 111.0°F (1959) | 45.0°F (1949) | 0.16 in (1976) |
| July 22 | 109.0°F (1959) | 39.9°F (1972) | 0.10 in (1993) |
| July 23 | 111.0°F (2003) | 44.1°F (1972) | 0.43 in (2008) |
| July 24 | 109.9°F (2003) | 45.0°F (1970) | 0.12 in (1977) |
| July 25 | 106.0°F (1978) | 48.9°F (1957) | 0.01 in (2003) |
| July 26 | 107.1°F (1968) | 46.0°F (1947) | 0.26 in (1977) |
| July 27 | 107.1°F (1964) | 46.9°F (1948) | 0.31 in (2003) |
| July 28 | 107.1°F (1968) | 43.0°F (1948) | 0.06 in (1995) |
| July 29 | 109.0°F (1968) | 44.1°F (1948) | 0.37 in (1975) |
| July 30 | 109.0°F (1968) | 45.0°F (1963) | 0.37 in (1964) |
| July 31 | 107.1°F (1971) | 45.0°F (1963) | 0.12 in (2001) |