October weather in Harmon, IL
The average temperature in Harmon in October is °F (°F–°F). Average precipitation: 2.86 inches.
October is a fall month in Harmon, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 10h 51m.
Avg High
°F
Avg Low
°F
Precipitation
2.86 in
Snow
0.1 in
October records in Harmon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | — | — | 1.15 in (1995) |
| October 2 | — | — | 1.04 in (2009) |
| October 3 | — | — | 1.52 in (2014) |
| October 4 | — | — | 0.82 in (2013) |
| October 5 | — | — | 2.63 in (1991) |
| October 6 | — | — | 2.61 in (2018) |
| October 7 | — | — | 0.37 in (2018) |
| October 8 | — | — | 0.72 in (2008) |
| October 9 | — | — | 0.40 in (1994) |
| October 10 | — | — | 0.30 in (2006) |
| October 11 | — | — | 2.08 in (2017) |
| October 12 | — | — | 2.88 in (2021) |
| October 13 | — | — | 0.62 in (2011) |
| October 14 | — | — | 0.85 in (2014) |
| October 15 | — | — | 1.72 in (2017) |
| October 16 | — | — | 0.27 in (2008) |
| October 17 | — | — | 0.99 in (2006) |
| October 18 | — | — | 3.45 in (1998) |
| October 19 | — | — | 0.31 in (1991) |
| October 20 | — | — | 0.22 in (1995) |
| October 21 | — | — | 0.67 in (2015) |
| October 22 | — | — | 2.00 in (2020) |
| October 23 | — | — | 2.35 in (2001) |
| October 24 | — | — | 1.28 in (2010) |
| October 25 | — | — | 1.49 in (2021) |
| October 26 | — | — | 0.76 in (2010) |
| October 27 | — | — | 0.90 in (2016) |
| October 28 | — | — | 0.87 in (2015) |
| October 29 | — | — | 0.55 in (2021) |
| October 30 | — | — | 1.34 in (2009) |
| October 31 | — | — | 0.92 in (2013) |