Weather on December 31
Sioux Falls, SD
55 Years of Data
Avg High
24°F
Avg Low
6°F
Warmest
1991
35°F avg
Coldest
1973
-15°F avg
About This Date
December 31st in Sioux Falls, SD typically brings very cold winter weather, with average highs around 24°F and lows near 6°F. Over 55 years of records, the warmest December 31st was in 1991 (35°F average), while the coldest was 1973 (-15°F) — a 50°F range across recorded history. Precipitation has occurred on 15% of recorded December 31st dates, with snow falling 18% of the time (heaviest snowfall: 4.2"). The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Sioux Falls, SD? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 44° | 10° | 27° | — | — |
| 2024 | 34° | 26° | 30° | — | — |
| 2023 | 31° | 20° | 26° | — | — |
| 2022 | 37° | 27° | 32° | — | — |
| 2021 | 21° | -4° | 9° | — | — |
| 2020 | 27° | 7° | 17° | — | — |
| 2019 | 27° | 16° | 22° | — | — |
| 2018 | 33° | 0° | 17° | 0.15" | 1.1" |
| 2017 | -9° | -20° | -14° | 0.03" | 0.1" |
| 2016 | 34° | 19° | 27° | — | — |
| 2015 | 22° | -4° | 9° | — | — |
| 2014 | 14° | -11° | 2° | — | — |
| 2013 | 6° | -4° | 1° | 0.13" | 0.6" |
| 2012 | 20° | 3° | 11° | — | — |
| 2011 | 39° | 31° | 35° | 0.15" | 0.1" |
| 2010 | 7° | -5° | 1° | 0.58" | 3.4" |
| 2009 | 10° | -4° | 3° | — | — |
| 2008 | 19° | -5° | 7° | — | — |
| 2007 | 20° | -6° | 7° | — | — |
| 2006 | 32° | 19° | 26° | 0.38" | 1.3" |
| 2005 | 30° | 22° | 26° | — | — |
| 2004 | 30° | 15° | 23° | — | — |
| 2003 | 29° | 10° | 19° | — | — |
| 2002 | 40° | 10° | 25° | — | — |
| 2001 | 11° | -2° | 4° | — | — |
| 2000 | 6° | -7° | 0° | — | — |
| 1999 | 53° | 14° | 34° | — | — |
| 1998 | 13° | -8° | 3° | — | — |
| 1997 | 32° | 4° | 18° | — | — |
| 1996 | 22° | 11° | 16° | — | 0.3" |
| 1995 | 33° | 31° | 32° | — | — |
| 1994 | 24° | 2° | 13° | — | — |
| 1993 | 40° | 13° | 26° | — | — |
| 1992 | -2° | -14° | -8° | — | — |
| 1991warmest | 37° | 32° | 35° | — | — |
| 1990 | 23° | -2° | 11° | — | — |
| 1989 | 27° | 10° | 18° | — | — |
| 1988 | 41° | 11° | 26° | — | — |
| 1987 | 18° | -14° | 2° | — | 0.2" |
| 1986 | 37° | 19° | 28° | — | — |
| 1985 | 23° | 8° | 16° | — | — |
| 1984 | 8° | 0° | 4° | — | — |
| 1983 | 27° | 13° | 20° | — | — |
| 1982 | 25° | 7° | 16° | — | — |
| 1981 | 20° | -5° | 7° | 0.05" | 0.3" |
| 1980 | 38° | 27° | 32° | — | — |
| 1979 | 31° | 24° | 27° | — | — |
| 1978 | 3° | -10° | -3° | — | — |
| 1977 | 19° | -2° | 9° | 0.46" | 4.2" |
| 1976 | 5° | -13° | -4° | — | — |
| 1975 | 29° | 27° | 28° | — | — |
| 1974 | 36° | 12° | 24° | — | — |
| 1973coldest | -4° | -26° | -15° | — | — |
| 1972 | 15° | 5° | 10° | — | — |
| 1971 | 28° | -3° | 13° | — | — |
55 years of data from SIOUX FALLS