December weather in Erwin, SD
The average temperature in Erwin in December is °F (°F–°F). Average precipitation: 0.79 inches. Average snowfall is 9.7 inches.
December is a winter month in Erwin, and is cooler than the annual average of 0°F. Expect about 4 days with precipitation. Daylight averages about 8h 39m.
Avg High
°F
Avg Low
°F
Precipitation
0.79 in
Snow
9.7 in
December records in Erwin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 37.9°F (1913) | 19.9°F (1912) | 0.55 in (2015) |
| December 2 | 44.1°F (1913) | -2.0°F (1912) | 0.60 in (2007) |
| December 3 | 50.0°F (1914) | 21.9°F (1912) | 0.72 in (1953) |
| December 4 | 46.0°F (1914) | 26.1°F (1912) | 0.23 in (1985) |
| December 5 | 46.0°F (1914) | 9.0°F (1912) | 0.79 in (1960) |
| December 6 | 32.0°F (1914) | -7.1°F (1912) | 0.07 in (1979) |
| December 7 | 33.1°F (1914) | 6.1°F (1913) | 0.16 in (1979) |
| December 8 | 37.9°F (1913) | -11.9°F (1912) | 0.49 in (1963) |
| December 9 | 46.9°F (1913) | 5.0°F (1912) | 0.95 in (2012) |
| December 10 | 46.9°F (1913) | 1.9°F (1914) | 0.29 in (1970) |
| December 11 | 52.0°F (1913) | -8.0°F (1912) | 0.42 in (1965) |
| December 12 | 52.0°F (1913) | -6.0°F (1912) | 0.13 in (1961) |
| December 13 | 48.9°F (1913) | -9.9°F (1914) | 0.36 in (1968) |
| December 14 | 46.0°F (1913) | -15.0°F (1914) | 0.15 in (1973) |
| December 15 | 44.1°F (1913) | -9.9°F (1914) | 0.25 in (2008) |
| December 16 | 46.9°F (1913) | -20.9°F (1914) | 0.56 in (2012) |
| December 17 | 42.1°F (1913) | -7.1°F (1914) | 0.55 in (1977) |
| December 18 | 44.1°F (1913) | 3.0°F (1914) | 0.32 in (1961) |
| December 19 | — | 9.0°F (1912) | 0.68 in (1953) |
| December 20 | — | -0.9°F (1913) | 0.27 in (2008) |
| December 21 | 23.0°F (1913) | 3.9°F (1913) | 0.55 in (2010) |
| December 22 | 32.0°F (1913) | 1.9°F (1912) | 0.46 in (1968) |
| December 23 | 30.0°F (1913) | 10.0°F (1913) | 0.27 in (1996) |
| December 24 | — | 3.9°F (1913) | 0.30 in (2009) |
| December 25 | 10.0°F (1913) | 10.0°F (1913) | 0.37 in (1964) |
| December 26 | 23.0°F (1913) | -2.9°F (1913) | 0.62 in (2013) |
| December 27 | 21.9°F (1913) | 0.0°F (1914) | 0.58 in (1987) |
| December 28 | 28.0°F (1913) | 3.0°F (1914) | 1.50 in (2005) |
| December 29 | 35.1°F (1913) | -15.0°F (1914) | 0.28 in (1972) |
| December 30 | 36.0°F (1913) | -14.1°F (1914) | 0.58 in (1972) |
| December 31 | 35.1°F (1913) | 15.1°F (1913) | 0.52 in (2005) |