December weather in Groton, SD
The average temperature in Groton in December is °F (°F–°F). Average precipitation: 0.61 inches. Average snowfall is 8.1 inches.
December is a winter month in Groton, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 8h 32m.
Avg High
°F
Avg Low
°F
Precipitation
0.61 in
Snow
8.1 in
December records in Groton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 0.40 in (2007) |
| December 2 | — | — | 0.59 in (2005) |
| December 3 | — | — | 0.01 in (2002) |
| December 4 | — | — | 0.27 in (2010) |
| December 5 | — | — | 0.30 in (2005) |
| December 6 | — | — | 0.07 in (2004) |
| December 7 | — | — | 0.02 in (2008) |
| December 8 | — | — | 0.00 in (2002) |
| December 9 | — | — | 0.59 in (2012) |
| December 10 | — | — | 0.05 in (2012) |
| December 11 | — | — | 0.15 in (2010) |
| December 12 | — | — | 0.05 in (2016) |
| December 13 | — | — | 0.12 in (2009) |
| December 14 | — | — | 0.03 in (2013) |
| December 15 | — | — | 0.29 in (2008) |
| December 16 | — | — | 0.21 in (2015) |
| December 17 | — | — | 0.14 in (2002) |
| December 18 | — | — | 0.50 in (2002) |
| December 19 | — | — | 0.03 in (2002) |
| December 20 | — | — | 0.04 in (2013) |
| December 21 | — | — | 0.28 in (2010) |
| December 22 | — | — | 0.12 in (2009) |
| December 23 | — | — | 0.10 in (2014) |
| December 24 | — | — | 0.29 in (2009) |
| December 25 | — | — | 0.58 in (2009) |
| December 26 | — | — | 1.08 in (2016) |
| December 27 | — | — | 0.25 in (2018) |
| December 28 | — | — | 0.37 in (2018) |
| December 29 | — | — | 0.07 in (2017) |
| December 30 | — | — | 1.28 in (2005) |
| December 31 | — | — | 0.50 in (2006) |