Historical Weather in Sioux Falls, SD
See 55+ years of weather history for any date in Sioux Falls going back to 1970.
Part of South Dakota weather history
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Today in Sioux Falls Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Sioux Falls, SD, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 85°F / Low: 63°F
Coldest MonthJanuaryAvg High: 26°F / Low: 7°F
Jan
26°/ 7°
💧 2.2"
❄️ 1.1"
Feb
30°/ 11°
💧 2.6"
❄️ 1.2"
Mar
44°/ 24°
💧 4.7"
❄️ 1.4"
Apr
58°/ 35°
💧 6.8"
❄️ 1.9"
May
70°/ 47°
💧 7.5"
❄️ 1.5"
Jun
81°/ 58°
💧 9.1"
Jul
85°/ 63°
💧 8.2"
Aug
82°/ 60°
💧 9.2"
Sep
75°/ 51°
💧 8.0"
❄️ 0.9"
Oct
61°/ 37°
💧 6.9"
❄️ 1.3"
Nov
44°/ 24°
💧 4.5"
❄️ 1.6"
Dec
30°/ 12°
💧 3.2"
❄️ 1.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Sioux Falls Temperature Records
- Record High: The hottest temperature ever recorded in Sioux Falls, SD is 110°F, set on June 21, 1988.
- Record Low: The coldest temperature ever recorded in Sioux Falls, SD is -40°F, set on January 1, 1974.
- Data Coverage: Based on 57 years of data from NOAA weather station: SIOUX FALLS.
All-Time Record High
110°F
June 21, 1988
All-Time Record Low
-40°F
January 1, 1974
Monthly Temperature Records in Sioux Falls
| Month | Record High | Record Low |
|---|---|---|
| January | 67°F(2002) | -40°F(1974) |
| February | 70°F(2017) | -36°F(1988) |
| March | 85°F(2012) | -22°F(1984) |
| April | 95°F(1980) | -2°F(1975) |
| May | 101°F(2018) | 19°F(2005) |
| June | 110°F(1988) | 35°F(1989) |
| July | 108°F(1989) | 37°F(1971) |
| August | 108°F(1973) | 35°F(1986) |
| September | 104°F(1976) | 21°F(1984) |
| October | 95°F(2023) | 3°F(2020) |
| November | 82°F(1999) | -16°F(1985) |
| December | 65°F(1998) | -35°F(2016) |
Sioux Falls Snow RecordsSee the top 10 snowiest days ever recorded
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