October weather in Rock City, IL
The average temperature in Rock City in October is 50.4°F (39.3°F–61.5°F). Average precipitation: 2.98 inches. Average snowfall is 0.2 inches.
October is a fall month in Rock City, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 22.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 49m. For travel, October is a comfortable month to visit.
Avg High
61.5°F
Avg Low
39.3°F
Precipitation
2.98 in
Snow
0.2 in
October records in Rock City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 87.1°F (1982) | 25.0°F (2003) | 1.68 in (1995) |
| October 2 | 87.1°F (1976) | 25.0°F (1974) | 2.02 in (2019) |
| October 3 | 86.0°F (1983) | 23.0°F (1974) | 1.09 in (2014) |
| October 4 | 90.0°F (1997) | 27.0°F (1989) | 1.94 in (2013) |
| October 5 | 87.1°F (2025) | 27.0°F (1980) | 2.31 in (1991) |
| October 6 | 87.1°F (2007) | 27.0°F (2001) | 2.10 in (2018) |
| October 7 | 87.1°F (2007) | 21.9°F (2001) | 1.31 in (2008) |
| October 8 | 84.9°F (1997) | 24.1°F (1987) | 1.39 in (2021) |
| October 9 | 82.9°F (2011) | 24.1°F (1987) | 1.59 in (1982) |
| October 10 | 90.0°F (2010) | 27.0°F (2009) | 1.91 in (1954) |
| October 11 | 84.0°F (2010) | 24.1°F (1987) | 1.64 in (2017) |
| October 12 | 84.0°F (2010) | 24.1°F (1987) | 1.58 in (2021) |
| October 13 | 82.0°F (1995) | 26.1°F (1987) | 1.30 in (1969) |
| October 14 | 88.0°F (1975) | 24.1°F (1988) | 1.76 in (2023) |
| October 15 | 82.0°F (1999) | 26.1°F (2006) | 1.40 in (2014) |
| October 16 | 82.0°F (1989) | 23.0°F (2001) | 1.31 in (2006) |
| October 17 | 75.0°F (2005) | 25.0°F (1992) | 1.97 in (1998) |
| October 18 | 82.0°F (2016) | 23.0°F (1976) | 1.01 in (1981) |
| October 19 | 75.9°F (2025) | 19.9°F (1992) | 1.85 in (1984) |
| October 20 | 81.0°F (2003) | 19.9°F (1992) | 1.18 in (1982) |
| October 21 | 80.1°F (2024) | 23.0°F (2018) | 0.83 in (1951) |
| October 22 | 82.0°F (1979) | 23.0°F (2018) | 1.45 in (2020) |
| October 23 | 80.1°F (1975) | 24.1°F (1999) | 1.76 in (2009) |
| October 24 | 78.1°F (1975) | 19.9°F (1981) | 1.47 in (2010) |
| October 25 | 80.1°F (2023) | 23.0°F (1987) | 1.65 in (2021) |
| October 26 | 78.1°F (1989) | 21.9°F (1979) | 1.50 in (2010) |
| October 27 | 75.0°F (1989) | 23.0°F (1976) | 0.90 in (1991) |
| October 28 | 77.0°F (2014) | 19.9°F (1976) | 1.35 in (2015) |
| October 29 | 78.1°F (2004) | 19.9°F (1980) | 0.90 in (1955) |
| October 30 | 81.0°F (2024) | 15.1°F (1988) | 2.10 in (1996) |
| October 31 | 73.9°F (1981) | 17.1°F (1988) | 2.59 in (1960) |