July weather in Williston, SC
The average temperature in Williston in July is 80.6°F (70.5°F–90.8°F). Average precipitation: 4.40 inches.
July is a summer month in Williston, and is warmer than the annual average of 63.9°F. Daily temperatures swing about 20.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 1m. For travel, July is hot.
Avg High
90.8°F
Avg Low
70.5°F
Precipitation
4.40 in
Daylight
14h 1m
July records in Williston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.4°F (2012) | 61.2°F (2009) | 0.98 in (2003) |
| July 2 | 95.7°F (2014) | 61.0°F (2008) | 1.26 in (2013) |
| July 3 | 98.1°F (2012) | 60.6°F (2010) | 1.40 in (2005) |
| July 4 | 95.9°F (2016) | 59.4°F (2010) | 0.82 in (2008) |
| July 5 | 96.8°F (2016) | 59.4°F (2007) | 1.88 in (2009) |
| July 6 | 96.1°F (2011) | 66.2°F (2007) | 0.57 in (2008) |
| July 7 | 94.8°F (2023) | 64.8°F (2006) | 1.95 in (2020) |
| July 8 | 99.9°F (2016) | 60.1°F (2006) | 1.76 in (2021) |
| July 9 | 100.0°F (2016) | 57.6°F (2006) | 2.18 in (2011) |
| July 10 | 97.2°F (2015) | 62.6°F (2006) | 2.73 in (2022) |
| July 11 | 98.4°F (2015) | 64.8°F (2009) | 1.12 in (2010) |
| July 12 | 96.1°F (2018) | 66.4°F (2009) | 0.74 in (2017) |
| July 13 | 98.8°F (2016) | 63.1°F (2007) | 1.89 in (2022) |
| July 14 | 98.4°F (2016) | 68.0°F (2003) | 0.70 in (2005) |
| July 15 | 98.8°F (2024) | 67.3°F (2009) | 2.78 in (2016) |
| July 16 | 97.3°F (2019) | 66.9°F (2004) | 1.42 in (2018) |
| July 17 | 97.5°F (2019) | 66.9°F (2011) | 0.88 in (2003) |
| July 18 | 99.5°F (2002) | 64.9°F (2011) | 0.50 in (2005) |
| July 19 | 100.9°F (2002) | 61.2°F (2009) | 0.75 in (2003) |
| July 20 | 98.6°F (2002) | 62.6°F (2009) | 0.81 in (2018) |
| July 21 | 99.5°F (2015) | 65.5°F (2009) | 2.34 in (2008) |
| July 22 | 98.2°F (2011) | 62.2°F (2007) | 1.26 in (2006) |
| July 23 | 97.7°F (2015) | 57.6°F (2007) | 1.04 in (2018) |
| July 24 | 97.7°F (2012) | 59.5°F (2007) | 1.46 in (2025) |
| July 25 | 96.8°F (2010) | 62.4°F (2006) | 1.13 in (2014) |
| July 26 | 98.6°F (2012) | 61.3°F (2006) | 1.07 in (2008) |
| July 27 | 97.7°F (2025) | 63.5°F (2006) | 1.70 in (2004) |
| July 28 | 97.0°F (2025) | 62.8°F (2019) | 1.33 in (2021) |
| July 29 | 97.7°F (2011) | 64.4°F (2019) | 1.04 in (2025) |
| July 30 | 98.6°F (2002) | 64.0°F (2006) | 0.69 in (2024) |
| July 31 | 99.1°F (2011) | 61.7°F (2017) | 1.16 in (2002) |