Weather on February 18
Sioux Falls, SD
55 Years of Data
About This Date
February 18th in Sioux Falls, SD typically brings cold winter weather, with average highs around 34°F and lows near 14°F. Over 56 years of records, the warmest February 18th was in 1981 (49°F average), while the coldest was 2025 (-11°F) — a 60°F range across recorded history. Precipitation has occurred on 21% of recorded February 18th dates, with snow falling 18% of the time (heaviest snowfall: 8.9"). The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.
Planning for February 18th in Sioux Falls, SD? Bundle up with warm layers and protect extremities from the cold.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 50° | 20° | 35° | — | — |
| 2025coldest | -1° | -22° | -11° | — | — |
| 2024 | 42° | 21° | 32° | — | — |
| 2023 | 36° | 12° | 24° | — | — |
| 2022 | 48° | 10° | 29° | — | — |
| 2021 | 20° | -4° | 8° | — | — |
| 2020 | 25° | 10° | 18° | — | — |
| 2019 | 16° | -6° | 5° | — | — |
| 2018 | 44° | 19° | 32° | — | — |
| 2017 | 61° | 29° | 45° | — | — |
| 2016 | 41° | 32° | 37° | — | — |
| 2015 | 10° | -4° | 3° | — | — |
| 2014 | 44° | 15° | 30° | — | — |
| 2013 | 36° | 8° | 22° | — | — |
| 2012 | 41° | 10° | 26° | — | — |
| 2011 | 35° | 22° | 28° | — | — |
| 2010 | 29° | 8° | 18° | — | — |
| 2009 | 27° | 6° | 16° | — | — |
| 2008 | 11° | -3° | 4° | 0.03" | 0.2" |
| 2007 | 35° | 12° | 24° | — | — |
| 2006 | 9° | -11° | -1° | — | — |
| 2005 | 42° | 9° | 25° | — | — |
| 2004 | 42° | 23° | 33° | — | — |
| 2003 | 35° | 16° | 25° | — | — |
| 2002 | 51° | 35° | 43° | — | — |
| 2001 | 30° | 11° | 20° | — | — |
| 2000 | 28° | 19° | 24° | — | — |
| 1999 | 31° | 23° | 27° | 0.03" | 0.4" |
| 1998 | 35° | 32° | 34° | 0.61" | 2.3" |
| 1997 | 40° | 21° | 30° | — | — |
| 1996 | 42° | 14° | 28° | 0.03" | 0.2" |
| 1995 | 43° | 28° | 35° | — | — |
| 1994 | 53° | 38° | 45° | 0.05" | — |
| 1993 | 15° | -9° | 3° | — | — |
| 1992 | 36° | 30° | 33° | 0.46" | 1.8" |
| 1991 | 31° | 21° | 26° | 0.53" | 3" |
| 1990 | 26° | 11° | 18° | — | — |
| 1989 | 8° | -12° | -2° | 0.23" | 1.9" |
| 1988 | 38° | 20° | 29° | — | — |
| 1987 | 40° | 8° | 24° | — | — |
| 1986 | 31° | 12° | 21° | — | — |
| 1985 | 35° | 20° | 27° | — | — |
| 1984 | 33° | 28° | 31° | 1.55" | 8.9" |
| 1983 | 41° | 30° | 36° | — | — |
| 1982 | 46° | 28° | 37° | — | — |
| 1981warmest | 62° | 35° | 49° | — | — |
| 1980 | 38° | 19° | 28° | — | — |
| 1979 | 14° | 5° | 10° | 0.13" | 1.3" |
| 1978 | 15° | -13° | 1° | — | — |
| 1977 | 44° | 22° | 33° | — | — |
| 1976 | 35° | 26° | 31° | 0.03" | 0.3" |
| 1975 | 23° | 5° | 14° | — | — |
| 1974 | 43° | 25° | 34° | — | — |
| 1973 | 31° | 10° | 20° | — | — |
| 1972 | 25° | 0° | 12° | — | — |
| 1971 | 37° | 32° | 35° | 1.37" | — |
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.