Weather on December 15
Sioux Falls, SD
55 Years of Data
About This Date
December 15th in Sioux Falls, SD typically brings very cold winter weather, with average highs around 31°F and lows near 13°F. Over 55 years of records, the warmest December 15th was in 2001 (42°F average), while the coldest was 2008 (-7°F) — a 49°F range across recorded history. Precipitation has occurred on 35% of recorded December 15th dates, with snow falling 29% of the time (heaviest snowfall: 3"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 15th in Sioux Falls, SD? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 37° | 18° | 27° | — | — |
| 2024 | 36° | 26° | 31° | — | — |
| 2023 | 45° | 39° | 42° | 0.1" | — |
| 2022 | 31° | 19° | 25° | 0.61" | 3" |
| 2021 | 52° | 23° | 38° | 1.85" | — |
| 2020 | 28° | 17° | 23° | — | — |
| 2019 | 18° | 10° | 14° | 0.1" | 0.4" |
| 2018 | 47° | 19° | 33° | — | — |
| 2017 | 42° | 29° | 36° | — | — |
| 2016 | 14° | -9° | 3° | — | 0.1" |
| 2015 | 35° | 31° | 33° | 0.15" | — |
| 2014 | 35° | 20° | 28° | 2.01" | 2" |
| 2013 | 11° | 6° | 9° | 0.03" | 0.2" |
| 2012 | 43° | 23° | 33° | 1.55" | — |
| 2011 | 32° | 12° | 22° | — | — |
| 2010 | 22° | 18° | 20° | 0.1" | 0.5" |
| 2009 | 7° | -9° | -1° | — | — |
| 2008coldest | -4° | -11° | -7° | — | — |
| 2007 | 23° | 4° | 13° | — | — |
| 2006 | 40° | 17° | 28° | — | — |
| 2005 | 24° | 18° | 21° | 0.08" | 0.5" |
| 2004 | 51° | 27° | 39° | — | — |
| 2003 | 32° | 25° | 28° | 0.43" | 2.6" |
| 2002 | 51° | 21° | 36° | — | — |
| 2001warmest | 50° | 34° | 42° | — | — |
| 2000 | 20° | 8° | 14° | — | — |
| 1999 | 30° | 4° | 17° | — | 0.1" |
| 1998 | 41° | 26° | 34° | — | — |
| 1997 | 52° | 28° | 40° | — | — |
| 1996 | 20° | -5° | 7° | 0.13" | 0.7" |
| 1995 | 35° | 16° | 25° | — | — |
| 1994 | 30° | 19° | 25° | — | — |
| 1993 | 38° | 30° | 34° | — | — |
| 1992 | 28° | 15° | 22° | 0.1" | 0.4" |
| 1991 | 27° | 6° | 16° | — | — |
| 1990 | 31° | -1° | 15° | 0.38" | 1.5" |
| 1989 | 1° | -13° | -6° | — | — |
| 1988 | 14° | -1° | 7° | — | — |
| 1987 | 25° | 13° | 19° | — | — |
| 1986 | 46° | 13° | 29° | — | — |
| 1985 | 29° | 2° | 15° | — | — |
| 1984 | 40° | 22° | 31° | 1.37" | — |
| 1983 | 16° | -4° | 6° | 0.05" | 0.3" |
| 1982 | 27° | 11° | 19° | — | — |
| 1981 | 17° | -9° | 4° | 0.13" | 1.7" |
| 1980 | 44° | 19° | 32° | — | — |
| 1979 | 38° | 2° | 20° | — | — |
| 1978 | 40° | 19° | 29° | — | — |
| 1977 | 47° | 22° | 34° | — | — |
| 1976 | 40° | 18° | 29° | — | — |
| 1975 | 21° | -10° | 6° | — | — |
| 1974 | 32° | 26° | 29° | 0.1" | 0.4" |
| 1973 | 15° | -9° | 3° | 0.03" | 0.2" |
| 1972 | 15° | -6° | 5° | — | — |
| 1971 | 30° | 16° | 23° | — | — |