August weather in Waterloo, SC
The average temperature in Waterloo in August is 78.7°F (68.8°F–88.5°F). Average precipitation: 4.28 inches.
August is a summer month in Waterloo, and is warmer than the annual average of 61.9°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Daylight averages about 13h 17m. For travel, August is hot.
Avg High
88.5°F
Avg Low
68.8°F
Precipitation
4.28 in
Daylight
13h 17m
August records in Waterloo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (2016) | 61.0°F (2017) | 1.00 in (2014) |
| August 2 | 97.0°F (2025) | 62.1°F (2017) | 0.28 in (2018) |
| August 3 | 99.0°F (2011) | 64.9°F (2014) | 1.40 in (2010) |
| August 4 | 102.0°F (2011) | 64.9°F (2014) | 1.01 in (2020) |
| August 5 | 99.0°F (2015) | 64.0°F (2021) | 3.50 in (2025) |
| August 6 | 97.0°F (2015) | 63.0°F (2025) | 0.35 in (2020) |
| August 7 | 96.1°F (2010) | 64.9°F (2025) | 3.08 in (2010) |
| August 8 | 95.0°F (2016) | 66.9°F (2025) | 0.25 in (2020) |
| August 9 | 100.0°F (2011) | 66.9°F (2021) | 0.80 in (2014) |
| August 10 | 97.0°F (2011) | 69.1°F (2012) | 2.20 in (2012) |
| August 11 | 97.0°F (2011) | 68.0°F (2014) | 1.55 in (2015) |
| August 12 | 93.9°F (2010) | 70.0°F (2011) | 0.56 in (2016) |
| August 13 | 96.1°F (2010) | 64.9°F (2012) | 0.63 in (2023) |
| August 14 | 95.0°F (2010) | 61.0°F (2014) | 0.75 in (2010) |
| August 15 | 96.1°F (2023) | 61.0°F (2014) | 0.41 in (2021) |
| August 16 | 95.0°F (2023) | 61.0°F (2013) | 0.83 in (2025) |
| August 17 | 93.9°F (2017) | 60.1°F (2013) | 1.85 in (2013) |
| August 18 | 95.0°F (2016) | 61.0°F (2013) | 1.72 in (2013) |
| August 19 | 93.0°F (2016) | 66.0°F (2013) | 1.57 in (2013) |
| August 20 | 93.9°F (2011) | 66.0°F (2013) | 2.00 in (2019) |
| August 21 | 96.1°F (2017) | 63.0°F (2024) | 0.70 in (2019) |
| August 22 | 95.0°F (2011) | 63.0°F (2024) | 2.00 in (2025) |
| August 23 | 96.1°F (2011) | 60.1°F (2024) | 0.21 in (2013) |
| August 24 | 95.0°F (2014) | 57.9°F (2018) | 0.75 in (2019) |
| August 25 | 96.1°F (2023) | 57.9°F (2018) | 0.35 in (2022) |
| August 26 | 97.0°F (2023) | 59.0°F (2013) | 0.34 in (2021) |
| August 27 | 99.0°F (2023) | 59.0°F (2013) | 0.57 in (2016) |
| August 28 | 98.1°F (2023) | 60.1°F (2014) | 0.86 in (2023) |
| August 29 | 97.0°F (2024) | 61.0°F (2014) | 0.25 in (2012) |
| August 30 | 95.0°F (2024) | 61.0°F (2019) | 0.26 in (2012) |
| August 31 | 95.0°F (2024) | 61.0°F (2019) | 0.79 in (2015) |