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 · South Dakota temperature records
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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, SD Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Sioux Falls, SD Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rain (in) Snow (in)
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.
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Best Time to Visit Sioux Falls, SD
Sioux Falls, SD has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
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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Holiday Weather in Sioux Falls
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