August weather in Groton, SD
The average temperature in Groton in August is °F (°F–°F). Average precipitation: 1.99 inches.
August is a summer month in Groton, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 13h 55m.
Avg High
°F
Avg Low
°F
Precipitation
1.99 in
Daylight
13h 55m
August records in Groton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 0.55 in (2010) |
| August 2 | — | — | 1.17 in (2016) |
| August 3 | — | — | 0.82 in (2017) |
| August 4 | — | — | 0.26 in (2014) |
| August 5 | — | — | 0.01 in (2013) |
| August 6 | — | — | 0.10 in (2015) |
| August 7 | — | — | 0.54 in (2009) |
| August 8 | — | — | 0.37 in (2004) |
| August 9 | — | — | 1.43 in (2015) |
| August 10 | — | — | 0.57 in (2016) |
| August 11 | — | — | 1.25 in (2016) |
| August 12 | — | — | 0.61 in (2012) |
| August 13 | — | — | 0.91 in (2006) |
| August 14 | — | — | 0.26 in (2006) |
| August 15 | — | — | 0.61 in (2009) |
| August 16 | — | — | 0.00 in (2003) |
| August 17 | — | — | 0.69 in (2005) |
| August 18 | — | — | 1.13 in (2007) |
| August 19 | — | — | 2.69 in (2015) |
| August 20 | — | — | 0.38 in (2011) |
| August 21 | — | — | 0.71 in (2014) |
| August 22 | — | — | 0.16 in (2017) |
| August 23 | — | — | 0.29 in (2004) |
| August 24 | — | — | 0.83 in (2018) |
| August 25 | — | — | 0.96 in (2005) |
| August 26 | — | — | 0.34 in (2017) |
| August 27 | — | — | 0.06 in (2008) |
| August 28 | — | — | 1.25 in (2012) |
| August 29 | — | — | 0.15 in (2013) |
| August 30 | — | — | 0.00 in (2003) |
| August 31 | — | — | 0.62 in (2014) |