December weather in Dallas, SD
The average temperature in Dallas in December is 24.2°F (13.8°F–34.5°F). Average precipitation: 0.74 inches. Average snowfall is 10.4 inches.
December is a winter month in Dallas, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 49m. For travel, December is cold.
Avg High
34.5°F
Avg Low
13.8°F
Precipitation
0.74 in
Snow
10.4 in
December records in Dallas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (1969) | -6.0°F (1985) | 1.60 in (1981) |
| December 2 | 73.0°F (1998) | -15.0°F (1980) | 0.75 in (2018) |
| December 3 | 71.1°F (1948) | -11.9°F (1983) | 1.13 in (1955) |
| December 4 | 64.0°F (1941) | -2.9°F (1909) | 0.60 in (2013) |
| December 5 | 66.9°F (1939) | -14.1°F (2005) | 0.27 in (1936) |
| December 6 | 75.0°F (1939) | -18.0°F (1984) | 0.99 in (1951) |
| December 7 | 66.0°F (1984) | -18.0°F (2013) | 0.31 in (1951) |
| December 8 | 69.1°F (2023) | -15.0°F (2005) | 0.35 in (1994) |
| December 9 | 72.0°F (1939) | -18.9°F (1955) | 0.40 in (2012) |
| December 10 | 70.0°F (1990) | -14.1°F (1972) | 0.90 in (1989) |
| December 11 | 79.0°F (1939) | -13.0°F (1962) | 1.30 in (1949) |
| December 12 | 64.0°F (1990) | -23.1°F (1932) | 0.42 in (1956) |
| December 13 | 57.9°F (1906) | -23.1°F (1985) | 0.35 in (2022) |
| December 14 | 61.0°F (1966) | -20.9°F (1989) | 0.85 in (2022) |
| December 15 | 66.9°F (1998) | -22.0°F (1951) | 0.84 in (2014) |
| December 16 | 64.0°F (1962) | -20.0°F (1951) | 0.37 in (1981) |
| December 17 | 64.9°F (1976) | -20.0°F (1951) | 0.50 in (1908) |
| December 18 | 66.0°F (1979) | -23.1°F (2016) | 0.10 in (1909) |
| December 19 | 62.1°F (2011) | -20.0°F (2016) | 0.30 in (1968) |
| December 20 | 70.0°F (1941) | -14.1°F (1990) | 0.10 in (1967) |
| December 21 | 64.9°F (1933) | -36.0°F (1983) | 1.00 in (1995) |
| December 22 | 68.0°F (1933) | -27.9°F (1989) | 2.00 in (1995) |
| December 23 | 73.9°F (2025) | -34.1°F (1983) | 0.45 in (1980) |
| December 24 | 64.0°F (1936) | -26.0°F (1983) | 0.84 in (2020) |
| December 25 | 63.0°F (1979) | -26.0°F (1983) | 0.60 in (1964) |
| December 26 | 57.0°F (1994) | -24.0°F (1996) | 0.85 in (2023) |
| December 27 | 64.0°F (2025) | -13.0°F (2017) | 0.45 in (1969) |
| December 28 | 57.0°F (2025) | -9.9°F (1983) | 0.46 in (1959) |
| December 29 | 57.9°F (2002) | -20.9°F (1990) | 0.77 in (2019) |
| December 30 | 62.1°F (1933) | -26.0°F (1990) | 0.95 in (1931) |
| December 31 | 59.0°F (2004) | -23.1°F (1967) | 0.63 in (2024) |