October weather in Hanover, IL
The average temperature in Hanover in October is 50.5°F (38.9°F–62.1°F). Average precipitation: 3.04 inches. Average snowfall is 0.3 inches.
October is a fall month in Hanover, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 23.2°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
62.1°F
Avg Low
38.9°F
Precipitation
3.04 in
Snow
0.3 in
October records in Hanover
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 88.0°F (2021) | 32.0°F (1999) | 1.78 in (2009) |
| October 2 | 86.0°F (2021) | 30.0°F (1985) | 2.48 in (2019) |
| October 3 | 88.0°F (2005) | 23.0°F (1987) | 0.75 in (2014) |
| October 4 | 91.0°F (1997) | 21.0°F (1989) | 0.89 in (2013) |
| October 5 | 86.0°F (2025) | 21.0°F (1989) | 1.87 in (1991) |
| October 6 | 87.1°F (2007) | 21.9°F (1988) | 1.32 in (2018) |
| October 7 | 86.0°F (1997) | 21.0°F (1988) | 1.52 in (2008) |
| October 8 | 84.9°F (1997) | 19.9°F (1987) | 1.01 in (2021) |
| October 9 | 89.1°F (2010) | 21.9°F (1987) | 1.06 in (1993) |
| October 10 | 82.9°F (2021) | 23.0°F (1994) | 1.75 in (1985) |
| October 11 | 84.0°F (2010) | 16.0°F (1987) | 1.44 in (2017) |
| October 12 | 82.9°F (2024) | 16.0°F (1987) | 0.83 in (2023) |
| October 13 | 82.0°F (1995) | 19.0°F (1988) | 1.01 in (2011) |
| October 14 | 79.0°F (1989) | 21.9°F (1993) | 1.06 in (2014) |
| October 15 | 78.1°F (1989) | 24.1°F (1995) | 1.15 in (2017) |
| October 16 | 82.9°F (1999) | 18.0°F (1995) | 1.19 in (2016) |
| October 17 | 77.0°F (1998) | 18.0°F (1995) | 1.66 in (2007) |
| October 18 | 84.0°F (2016) | 21.0°F (1992) | 1.42 in (1998) |
| October 19 | 75.0°F (2000) | 15.1°F (1992) | 0.23 in (1991) |
| October 20 | 80.1°F (2000) | 17.1°F (1992) | 0.37 in (1995) |
| October 21 | 80.1°F (2024) | 21.9°F (2018) | 0.42 in (1988) |
| October 22 | 79.0°F (2022) | 21.0°F (1990) | 1.90 in (2009) |
| October 23 | 80.1°F (2022) | 21.0°F (1990) | 1.62 in (2004) |
| October 24 | 78.1°F (1995) | 19.0°F (1999) | 0.55 in (1985) |
| October 25 | 79.0°F (2012) | 18.0°F (1987) | 1.99 in (2021) |
| October 26 | 78.1°F (1989) | 19.0°F (1999) | 0.91 in (1986) |
| October 27 | 75.9°F (1989) | 9.0°F (1997) | 0.78 in (2023) |
| October 28 | 77.0°F (2014) | 19.0°F (1987) | 1.52 in (2015) |
| October 29 | 72.0°F (1986) | 19.0°F (1988) | 1.08 in (2009) |
| October 30 | 81.0°F (2024) | 10.0°F (1988) | 1.55 in (1996) |
| October 31 | 73.0°F (2024) | 10.9°F (1988) | 1.17 in (2019) |