July weather in Rock City, IL
The average temperature in Rock City in July is 72.4°F (62.3°F–82.4°F). Average precipitation: 4.21 inches.
July is a summer month in Rock City, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 49m. For travel, July is a comfortable month to visit.
Avg High
82.4°F
Avg Low
62.3°F
Precipitation
4.21 in
Daylight
14h 49m
July records in Rock City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 93.0°F (2012) | 46.9°F (1988) | 1.46 in (2014) |
| July 2 | 93.0°F (1975) | 46.0°F (2001) | 1.47 in (2000) |
| July 3 | 96.1°F (2012) | 48.0°F (1995) | 1.75 in (1958) |
| July 4 | 96.1°F (2012) | 53.1°F (1976) | 1.40 in (1954) |
| July 5 | 100.0°F (2012) | 48.0°F (1979) | 1.50 in (1995) |
| July 6 | 99.0°F (2012) | 46.0°F (1979) | 1.50 in (2022) |
| July 7 | 102.0°F (2012) | 46.9°F (1983) | 1.61 in (1978) |
| July 8 | 102.9°F (2012) | 51.1°F (1984) | 3.18 in (1956) |
| July 9 | 98.1°F (1974) | 52.0°F (2009) | 3.98 in (1951) |
| July 10 | 97.0°F (1974) | 48.9°F (1997) | 1.34 in (2020) |
| July 11 | 100.0°F (1989) | 48.9°F (1975) | 1.85 in (1984) |
| July 12 | 97.0°F (1976) | 48.9°F (1975) | 1.58 in (2025) |
| July 13 | 96.1°F (1981) | 48.9°F (1975) | 1.92 in (1960) |
| July 14 | 100.0°F (1995) | 50.0°F (1975) | 1.65 in (1992) |
| July 15 | 100.9°F (1977) | 52.0°F (2014) | 1.22 in (1972) |
| July 16 | 100.9°F (1988) | 50.0°F (1987) | 1.29 in (1990) |
| July 17 | 96.1°F (2012) | 48.0°F (1976) | 1.52 in (1988) |
| July 18 | 98.1°F (2012) | 50.0°F (1979) | 4.06 in (1977) |
| July 19 | 99.0°F (2012) | 53.1°F (1979) | 2.10 in (2006) |
| July 20 | 97.0°F (1977) | 48.9°F (2009) | 4.18 in (2017) |
| July 21 | 98.1°F (2011) | 53.1°F (2007) | 1.41 in (2004) |
| July 22 | 96.1°F (1983) | 53.1°F (2000) | 4.54 in (2017) |
| July 23 | 97.0°F (1983) | 48.9°F (1985) | 5.64 in (2010) |
| July 24 | 99.0°F (2005) | 53.1°F (1985) | 6.00 in (2010) |
| July 25 | 93.0°F (1986) | 53.1°F (1991) | 0.89 in (1979) |
| July 26 | 99.0°F (2012) | 51.1°F (1991) | 1.23 in (1981) |
| July 27 | 93.9°F (1997) | 53.1°F (1994) | 0.91 in (1969) |
| July 28 | 93.9°F (1988) | 52.0°F (1981) | 5.35 in (2011) |
| July 29 | 96.1°F (1983) | 48.0°F (1981) | 1.86 in (1990) |
| July 30 | 96.1°F (1999) | 51.1°F (1984) | 1.62 in (1970) |
| July 31 | 95.0°F (1975) | 50.0°F (1997) | 1.91 in (1965) |