August weather in Salem, SD
The average temperature in Salem in August is 69.5°F (57.5°F–81.4°F). Average precipitation: 3.35 inches.
August is a summer month in Salem, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 49m. For travel, August is a comfortable month to visit.
Avg High
81.4°F
Avg Low
57.5°F
Precipitation
3.35 in
Daylight
13h 49m
August records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (2012) | 52.0°F (2009) | 0.67 in (2020) |
| August 2 | 87.1°F (2008) | 45.0°F (2018) | 0.82 in (2007) |
| August 3 | 105.1°F (2022) | 48.0°F (2018) | 0.89 in (2025) |
| August 4 | 91.9°F (2024) | 44.1°F (2017) | 1.55 in (2007) |
| August 5 | 87.1°F (2023) | 48.9°F (2012) | 0.70 in (2018) |
| August 6 | 97.0°F (2022) | 53.1°F (2016) | 2.06 in (2023) |
| August 7 | 91.9°F (2012) | 55.0°F (2013) | 1.00 in (2018) |
| August 8 | 90.0°F (2010) | 48.9°F (2022) | 1.27 in (2009) |
| August 9 | 91.9°F (2016) | 45.0°F (2024) | 0.75 in (2017) |
| August 10 | 96.1°F (2016) | 44.1°F (2024) | 0.46 in (2013) |
| August 11 | 91.9°F (2010) | 46.0°F (2024) | 0.78 in (2013) |
| August 12 | 90.0°F (2010) | 46.9°F (2014) | 1.35 in (2008) |
| August 13 | 97.0°F (2022) | 46.9°F (2012) | 0.87 in (2017) |
| August 14 | 89.1°F (2015) | 50.0°F (2021) | 1.50 in (2018) |
| August 15 | 89.1°F (2015) | 51.1°F (2023) | 1.12 in (2014) |
| August 16 | 89.1°F (2020) | 50.0°F (2012) | 1.63 in (2017) |
| August 17 | 89.1°F (2021) | 43.0°F (2012) | 0.69 in (2019) |
| August 18 | 91.9°F (2016) | 48.0°F (2009) | 1.25 in (2015) |
| August 19 | 89.1°F (2021) | 46.9°F (2012) | 0.91 in (2010) |
| August 20 | 93.0°F (2023) | 44.1°F (2015) | 0.65 in (2007) |
| August 21 | 90.0°F (2020) | 44.1°F (2016) | 0.36 in (2021) |
| August 22 | 96.1°F (2012) | 46.0°F (2009) | 1.05 in (2025) |
| August 23 | 99.0°F (2023) | 44.1°F (2008) | 1.16 in (2007) |
| August 24 | 98.1°F (2023) | 39.9°F (2015) | 0.05 in (2007) |
| August 25 | 95.0°F (2020) | 42.1°F (2015) | 1.45 in (2017) |
| August 26 | 93.0°F (2013) | 43.0°F (2025) | 1.13 in (2019) |
| August 27 | 95.0°F (2013) | 46.9°F (2025) | 0.26 in (2021) |
| August 28 | 100.0°F (2012) | 48.9°F (2009) | 1.21 in (2011) |
| August 29 | 100.9°F (2012) | 43.0°F (2009) | 1.07 in (2021) |
| August 30 | 97.0°F (2012) | 42.1°F (2009) | 0.19 in (2011) |
| August 31 | 91.9°F (2013) | 42.1°F (2009) | 1.44 in (2010) |