October weather in Mundelein, IL
The average temperature in Mundelein in October is 51.1°F (41.5°F–60.8°F). Average precipitation: 3.20 inches.
October is a fall month in Mundelein, and is warmer than the annual average of 47.9°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 10h 49m. For travel, October is a comfortable month to visit.
Avg High
60.8°F
Avg Low
41.5°F
Precipitation
3.20 in
Daylight
10h 49m
October records in Mundelein
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 84.0°F (2002) | 36.0°F (2009) | 0.63 in (2007) |
| October 2 | 84.9°F (2021) | 28.0°F (2003) | 1.15 in (2018) |
| October 3 | 82.9°F (2023) | 28.0°F (2003) | 2.20 in (2006) |
| October 4 | 84.9°F (2018) | 35.1°F (2014) | 0.96 in (2000) |
| October 5 | 86.0°F (2005) | 28.0°F (2004) | 0.53 in (2001) |
| October 6 | 84.0°F (2007) | 30.0°F (2004) | 1.15 in (2013) |
| October 7 | 87.1°F (2007) | 26.1°F (2001) | 0.51 in (2016) |
| October 8 | 87.1°F (2007) | 27.0°F (2001) | 1.14 in (2008) |
| October 9 | 84.9°F (2007) | 28.9°F (2000) | 0.22 in (2004) |
| October 10 | 87.1°F (2010) | 30.0°F (2000) | 0.27 in (2012) |
| October 11 | 82.9°F (2010) | 27.0°F (2009) | 2.01 in (2017) |
| October 12 | 82.0°F (2010) | 27.0°F (2009) | 0.98 in (2021) |
| October 13 | 82.9°F (2008) | 27.0°F (2006) | 0.24 in (2001) |
| October 14 | 78.1°F (2000) | 30.0°F (2006) | 2.28 in (2001) |
| October 15 | 75.9°F (2000) | 30.0°F (2006) | 2.32 in (2017) |
| October 16 | 72.0°F (2007) | 30.9°F (2006) | 0.77 in (2007) |
| October 17 | 70.0°F (2010) | 28.0°F (2015) | 0.86 in (2006) |
| October 18 | 81.0°F (2016) | 27.0°F (2018) | 0.58 in (2012) |
| October 19 | 75.9°F (2007) | 27.0°F (2018) | 0.19 in (2006) |
| October 20 | 77.0°F (2000) | 28.9°F (2002) | 0.51 in (2011) |
| October 21 | 84.0°F (2003) | 23.0°F (2018) | 0.30 in (2008) |
| October 22 | 78.1°F (2007) | 23.0°F (2018) | 1.25 in (2020) |
| October 23 | 78.1°F (2022) | 28.0°F (2013) | 2.36 in (2001) |
| October 24 | 77.0°F (2022) | 28.0°F (2006) | 0.61 in (2020) |
| October 25 | 79.0°F (2023) | 24.1°F (2006) | 1.77 in (2021) |
| October 26 | 75.0°F (2004) | 24.1°F (2006) | 0.91 in (2022) |
| October 27 | 75.9°F (2000) | 28.0°F (2012) | 1.79 in (2019) |
| October 28 | 75.9°F (2014) | 28.0°F (2005) | 0.58 in (2015) |
| October 29 | 66.0°F (2004) | 28.0°F (2005) | 0.70 in (2021) |
| October 30 | 73.0°F (2004) | 24.1°F (2020) | 0.80 in (2009) |
| October 31 | 70.0°F (2003) | 21.9°F (2020) | 1.18 in (2018) |