December weather in Ramona, SD
The average temperature in Ramona in December is 19.9°F (11.0°F–28.7°F). Average precipitation: 0.61 inches. Average snowfall is 7.8 inches.
December is a winter month in Ramona, and is cooler than the annual average of 44.7°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 42m. For travel, December is cold.
Avg High
28.7°F
Avg Low
11.0°F
Precipitation
0.61 in
Snow
7.8 in
December records in Ramona
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (1962) | -8.0°F (1983) | 0.69 in (1981) |
| December 2 | 64.0°F (1998) | -18.0°F (2005) | 0.34 in (1980) |
| December 3 | 64.0°F (1998) | -15.0°F (1985) | 0.51 in (1978) |
| December 4 | 60.1°F (1998) | -11.9°F (2025) | 0.37 in (2013) |
| December 5 | 51.1°F (1963) | -18.0°F (2005) | 0.21 in (1976) |
| December 6 | 52.0°F (1988) | -20.9°F (1972) | 0.07 in (2004) |
| December 7 | 57.9°F (2023) | -18.9°F (2013) | 0.11 in (2025) |
| December 8 | 61.0°F (2023) | -20.0°F (1976) | 0.39 in (1966) |
| December 9 | 51.1°F (2020) | -20.0°F (1977) | 0.72 in (2022) |
| December 10 | 57.9°F (1990) | -15.0°F (1966) | 0.89 in (1970) |
| December 11 | 57.9°F (1979) | -16.1°F (2013) | 0.81 in (1965) |
| December 12 | 48.0°F (1968) | -18.9°F (2000) | 0.45 in (1968) |
| December 13 | 52.0°F (1998) | -20.9°F (1985) | 0.43 in (2022) |
| December 14 | 54.0°F (1998) | -20.0°F (1985) | 0.46 in (1973) |
| December 15 | 57.9°F (1998) | -20.0°F (1963) | 0.45 in (1996) |
| December 16 | 60.1°F (1962) | -17.0°F (1963) | 0.44 in (2014) |
| December 17 | 55.9°F (1962) | -18.0°F (1964) | 0.40 in (1977) |
| December 18 | 55.9°F (1976) | -31.0°F (2016) | 0.28 in (2002) |
| December 19 | 55.0°F (2011) | -24.0°F (1983) | 0.57 in (1968) |
| December 20 | 50.0°F (1979) | -22.0°F (1983) | 0.16 in (2010) |
| December 21 | 50.0°F (1979) | -27.9°F (1989) | 0.70 in (2006) |
| December 22 | 51.1°F (1972) | -27.0°F (1989) | 1.64 in (1968) |
| December 23 | 57.0°F (2020) | -27.9°F (1983) | 0.32 in (1968) |
| December 24 | 53.1°F (2023) | -27.9°F (1983) | 0.72 in (1987) |
| December 25 | 48.9°F (2021) | -26.0°F (1983) | 0.90 in (1982) |
| December 26 | 45.0°F (1999) | -24.0°F (1996) | 0.57 in (2016) |
| December 27 | 51.1°F (2011) | -18.0°F (2017) | 0.76 in (2018) |
| December 28 | 48.9°F (2025) | -15.0°F (1993) | 0.80 in (1982) |
| December 29 | 51.1°F (2002) | -17.0°F (1990) | 0.50 in (2019) |
| December 30 | 55.0°F (1999) | -24.0°F (1990) | 0.60 in (1972) |
| December 31 | 57.0°F (2004) | -27.0°F (1967) | 0.76 in (1977) |