July weather in Ontario, OH
The average temperature in Ontario in July is 72.2°F (61.0°F–83.4°F). Average precipitation: 3.97 inches.
July is a summer month in Ontario, and is warmer than the annual average of 50.3°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 39m. For travel, July is a comfortable month to visit.
Avg High
83.4°F
Avg Low
61.0°F
Precipitation
3.97 in
Daylight
14h 39m
July records in Ontario
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 98.1°F (1931) | 39.0°F (1965) | 1.46 in (1977) |
| July 2 | 97.0°F (1931) | 39.9°F (1988) | 2.07 in (1987) |
| July 3 | 93.0°F (1921) | 39.9°F (1988) | 2.21 in (1927) |
| July 4 | 96.1°F (2012) | 39.0°F (1968) | 1.55 in (1905) |
| July 5 | 93.9°F (1921) | 41.0°F (1979) | 2.64 in (1929) |
| July 6 | 97.0°F (1988) | 37.9°F (1972) | 1.59 in (1980) |
| July 7 | 96.1°F (1988) | 39.9°F (1968) | 1.51 in (2019) |
| July 8 | 99.0°F (1988) | 41.0°F (1961) | 3.11 in (1976) |
| July 9 | 100.0°F (1936) | 37.9°F (1963) | 2.10 in (2013) |
| July 10 | 100.0°F (1936) | 36.0°F (1963) | 1.55 in (1919) |
| July 11 | 102.0°F (1936) | 39.9°F (1945) | 1.71 in (2006) |
| July 12 | 102.0°F (1936) | 39.9°F (1974) | 2.55 in (2006) |
| July 13 | 98.1°F (1936) | 45.0°F (1940) | 1.74 in (1966) |
| July 14 | 104.0°F (1936) | 41.0°F (1950) | 2.83 in (1945) |
| July 15 | 95.0°F (1934) | 39.9°F (1930) | 1.54 in (2024) |
| July 16 | 98.1°F (1931) | 42.1°F (1939) | 1.47 in (1937) |
| July 17 | 100.9°F (1931) | 41.0°F (1974) | 1.45 in (1943) |
| July 18 | 96.1°F (1930) | 42.1°F (1971) | 2.16 in (1931) |
| July 19 | 100.0°F (1930) | 39.9°F (1979) | 2.05 in (1967) |
| July 20 | 102.0°F (1930) | 37.9°F (1965) | 2.09 in (1919) |
| July 21 | 105.1°F (1934) | 42.1°F (1966) | 2.06 in (2003) |
| July 22 | 102.9°F (1934) | 44.1°F (1966) | 3.11 in (1977) |
| July 23 | 99.0°F (1933) | 44.1°F (1954) | 2.00 in (1953) |
| July 24 | 102.0°F (1934) | 46.0°F (1947) | 2.20 in (1900) |
| July 25 | 104.0°F (1934) | 43.0°F (1953) | 1.77 in (1968) |
| July 26 | 102.0°F (1934) | 42.1°F (1946) | 1.48 in (1988) |
| July 27 | 98.1°F (1936) | 41.0°F (1946) | 1.42 in (1926) |
| July 28 | 100.9°F (1930) | 44.1°F (1962) | 1.15 in (1956) |
| July 29 | 95.0°F (1941) | 43.0°F (1965) | 1.20 in (1902) |
| July 30 | 96.1°F (1931) | 41.0°F (1965) | 2.95 in (1974) |
| July 31 | 98.1°F (2002) | 45.0°F (1936) | 1.93 in (1958) |