December weather in Grenville, SD
The average temperature in Grenville in December is 18.5°F (10.5°F–26.5°F). Average precipitation: 0.66 inches. Average snowfall is 6.3 inches.
December is a winter month in Grenville, and is cooler than the annual average of 44.1°F. Daily temperatures swing about 16°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 32m. For travel, December is cold.
Avg High
26.5°F
Avg Low
10.5°F
Precipitation
0.66 in
Snow
6.3 in
December records in Grenville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (1969) | -16.1°F (1960) | 0.44 in (2007) |
| December 2 | 55.0°F (1998) | -16.1°F (1985) | 0.26 in (1984) |
| December 3 | 55.0°F (1998) | -17.0°F (1985) | 0.31 in (1953) |
| December 4 | 48.9°F (2001) | -13.0°F (1991) | 0.60 in (1955) |
| December 5 | 50.0°F (1967) | -16.1°F (2005) | 0.62 in (1960) |
| December 6 | 52.0°F (2023) | -27.0°F (1972) | 0.08 in (2016) |
| December 7 | 54.0°F (2023) | -25.1°F (1972) | 0.14 in (1979) |
| December 8 | 53.1°F (1990) | -20.9°F (1976) | 0.24 in (1963) |
| December 9 | 57.9°F (2006) | -23.1°F (1977) | 0.30 in (1961) |
| December 10 | 55.9°F (1990) | -27.0°F (1972) | 0.06 in (2000) |
| December 11 | 55.9°F (1990) | -14.1°F (1961) | 0.40 in (1965) |
| December 12 | 52.0°F (1980) | -16.1°F (2000) | 0.52 in (1965) |
| December 13 | 50.0°F (1998) | -18.0°F (1961) | 0.22 in (1968) |
| December 14 | 52.0°F (1998) | -24.0°F (1989) | 0.31 in (2008) |
| December 15 | 46.9°F (1962) | -23.1°F (1963) | 0.21 in (2014) |
| December 16 | 53.1°F (1962) | -24.0°F (1972) | 0.22 in (2016) |
| December 17 | 54.0°F (1962) | -22.0°F (1983) | 0.24 in (1977) |
| December 18 | 48.0°F (1962) | -26.0°F (2016) | 0.20 in (1954) |
| December 19 | 51.1°F (1979) | -29.9°F (1983) | 1.07 in (2022) |
| December 20 | 48.9°F (1956) | -24.0°F (1983) | 0.28 in (2021) |
| December 21 | 46.9°F (1979) | -31.0°F (1989) | 0.11 in (1993) |
| December 22 | 48.0°F (1957) | -31.0°F (1989) | 1.20 in (2006) |
| December 23 | 48.0°F (1986) | -34.1°F (1983) | 0.25 in (1996) |
| December 24 | 48.9°F (2023) | -35.0°F (1989) | 0.25 in (1996) |
| December 25 | 48.0°F (2023) | -25.1°F (1996) | 0.22 in (2022) |
| December 26 | 46.9°F (1994) | -26.0°F (1990) | 0.11 in (1975) |
| December 27 | 44.1°F (2011) | -26.0°F (1993) | 0.50 in (2023) |
| December 28 | 46.9°F (1980) | -26.0°F (1993) | 0.26 in (1959) |
| December 29 | 54.0°F (1999) | -18.0°F (1990) | 0.30 in (2006) |
| December 30 | 48.9°F (1999) | -27.9°F (1990) | 0.76 in (2005) |
| December 31 | 44.1°F (1980) | -31.0°F (1967) | 0.28 in (1990) |