October weather in Harleyville, SC
The average temperature in Harleyville in October is 64.9°F (53.0°F–76.7°F). Average precipitation: 3.72 inches.
October is a fall month in Harleyville, and is warmer than the annual average of 63.9°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Daylight averages about 11h 9m. For travel, October is one of the best months of the year to visit.
Avg High
76.7°F
Avg Low
53.0°F
Precipitation
3.72 in
Daylight
11h 9m
October records in Harleyville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 95.0°F (2019) | 48.0°F (2009) | 0.60 in (2022) |
| October 2 | 89.1°F (2019) | 39.9°F (2011) | 0.55 in (2015) |
| October 3 | 93.0°F (2019) | 39.9°F (2011) | 2.79 in (2015) |
| October 4 | 98.1°F (2019) | 43.0°F (2011) | 0.40 in (2014) |
| October 5 | 98.1°F (2019) | 41.0°F (2014) | 0.33 in (2019) |
| October 6 | 93.0°F (2018) | 44.1°F (2014) | 0.51 in (2009) |
| October 7 | 90.0°F (2018) | 44.1°F (2010) | 0.27 in (2016) |
| October 8 | 91.0°F (2017) | 45.0°F (2023) | 11.45 in (2016) |
| October 9 | 88.0°F (2014) | 42.1°F (2023) | 1.35 in (2025) |
| October 10 | 90.0°F (2009) | 42.1°F (2023) | 1.10 in (2018) |
| October 11 | 88.0°F (2017) | 48.9°F (2016) | 2.02 in (2018) |
| October 12 | 87.1°F (2010) | 42.1°F (2024) | 3.25 in (2025) |
| October 13 | 89.1°F (2017) | 42.1°F (2024) | 2.17 in (2022) |
| October 14 | 84.9°F (2020) | 46.0°F (2014) | 0.63 in (2019) |
| October 15 | 84.9°F (2021) | 43.0°F (2014) | 0.78 in (2014) |
| October 16 | 88.0°F (2021) | 42.1°F (2014) | 0.89 in (2019) |
| October 17 | 90.0°F (2018) | 37.0°F (2024) | 0.06 in (2018) |
| October 18 | 84.9°F (2011) | 37.0°F (2024) | 0.02 in (2009) |
| October 19 | 82.0°F (2014) | 36.0°F (2022) | 1.48 in (2011) |
| October 20 | 87.1°F (2016) | 36.0°F (2022) | 1.82 in (2019) |
| October 21 | 82.9°F (2016) | 35.1°F (2022) | 0.89 in (2023) |
| October 22 | 82.0°F (2016) | 36.0°F (2022) | 0.00 in (2009) |
| October 23 | 82.0°F (2020) | 36.0°F (2022) | 0.22 in (2017) |
| October 24 | 82.9°F (2020) | 37.9°F (2013) | 1.81 in (2017) |
| October 25 | 93.0°F (2020) | 37.9°F (2013) | 0.15 in (2021) |
| October 26 | 82.9°F (2010) | 33.1°F (2013) | 0.19 in (2010) |
| October 27 | 84.9°F (2014) | 33.1°F (2013) | 0.22 in (2019) |
| October 28 | 87.1°F (2010) | 37.9°F (2013) | 0.84 in (2025) |
| October 29 | 87.1°F (2010) | 45.0°F (2021) | 0.41 in (2015) |
| October 30 | 82.9°F (2023) | 33.1°F (2011) | 0.17 in (2014) |
| October 31 | 84.0°F (2016) | 32.0°F (2011) | 0.50 in (2019) |