Weather on December 31
Sioux Falls, SD
55 Years of Data
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.
| 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° | — | — |
Sioux Falls, SD Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sioux Falls, SD Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Sioux Falls, SD Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Sioux Falls, SD
Sioux Falls, SD has no months that meet our "pleasant" threshold — every season has tradeoffs.