July weather in Port Jefferson, OH
The average temperature in Port Jefferson in July is 73.2°F (62.1°F–84.3°F). Average precipitation: 4.57 inches.
July is a summer month in Port Jefferson, and is warmer than the annual average of 50.9°F. Daily temperatures swing about 22.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 36m. For travel, July is a comfortable month to visit.
Avg High
84.3°F
Avg Low
62.1°F
Precipitation
4.57 in
Daylight
14h 36m
July records in Port Jefferson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 93.9°F (1991) | 44.1°F (1988) | 1.73 in (2017) |
| July 2 | 93.0°F (1991) | 48.0°F (1988) | 3.33 in (1964) |
| July 3 | 93.9°F (2002) | 48.0°F (2001) | 1.77 in (1978) |
| July 4 | 93.9°F (2002) | 48.0°F (1996) | 2.05 in (1950) |
| July 5 | 97.0°F (2012) | 46.9°F (1979) | 1.05 in (1966) |
| July 6 | 98.1°F (1988) | 46.0°F (1979) | 2.25 in (2003) |
| July 7 | 98.1°F (1988) | 46.9°F (2001) | 1.58 in (2003) |
| July 8 | 100.9°F (1988) | 46.9°F (1984) | 2.72 in (2003) |
| July 9 | 100.0°F (1988) | 53.1°F (1995) | 0.85 in (2008) |
| July 10 | 99.0°F (1988) | 50.0°F (1997) | 1.37 in (2024) |
| July 11 | 95.0°F (1988) | 46.9°F (1996) | 2.80 in (1970) |
| July 12 | 95.0°F (1989) | 46.9°F (1978) | 3.25 in (2009) |
| July 13 | 91.9°F (1983) | 52.0°F (2002) | 3.52 in (1992) |
| July 14 | 93.9°F (1981) | 51.1°F (2009) | 1.66 in (1960) |
| July 15 | 97.0°F (1995) | 51.1°F (1987) | 1.06 in (1992) |
| July 16 | 100.9°F (1988) | 51.1°F (2014) | 2.18 in (1972) |
| July 17 | 98.1°F (1988) | 50.0°F (2014) | 0.93 in (1992) |
| July 18 | 96.1°F (2012) | 50.0°F (2014) | 1.40 in (2022) |
| July 19 | 93.9°F (2011) | 50.0°F (1979) | 2.80 in (1993) |
| July 20 | 95.0°F (2011) | 51.1°F (1997) | 1.75 in (1981) |
| July 21 | 96.1°F (1980) | 51.1°F (1996) | 1.85 in (1988) |
| July 22 | 99.0°F (2011) | 51.1°F (2000) | 2.21 in (1998) |
| July 23 | 96.1°F (1991) | 50.0°F (1981) | 1.47 in (1953) |
| July 24 | 97.0°F (1983) | 48.9°F (1985) | 1.67 in (1971) |
| July 25 | 93.9°F (2005) | 48.9°F (2014) | 2.31 in (1968) |
| July 26 | 93.0°F (1999) | 50.0°F (2014) | 2.12 in (1995) |
| July 27 | 96.1°F (1997) | 53.1°F (1991) | 1.01 in (2025) |
| July 28 | 93.9°F (1997) | 53.1°F (1985) | 1.62 in (2006) |
| July 29 | 93.9°F (2011) | 53.1°F (2014) | 2.34 in (1979) |
| July 30 | 91.9°F (1988) | 50.0°F (1981) | 0.94 in (1970) |
| July 31 | 98.1°F (1999) | 51.1°F (1991) | 0.64 in (1967) |