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Sioux Falls, SD weather and climate

Lincoln County, SD · population 197,642 · about 1,486 ft elevation

Everything below is a 30 year average for 1991-2020, computed from daily climate history at Sioux Falls's own coordinates.

The year at a glance

Sunny days
211
clear or partly cloudy, per year
Precipitation
32 in
per year
Wet days
106
rain or snow per year
Snowfall
47 in
per year
Hot days
16
above 90 °F
Freezing nights
157
at or below 32 °F
Humidity
70%
average relative
Average temperature
47 °F
year round

Monthly temperatures

Average daily high and low for each month, in °F.

Daily highDaily low
255075JanMarMayJulSepNovDaily high, Jan: 26 °FDaily high, Feb: 31 °FDaily high, Mar: 44 °FDaily high, Apr: 58 °FDaily high, May: 70 °FDaily high, Jun: 81 °FDaily high, Jul: 85 °FDaily high, Aug: 82 °FDaily high, Sep: 75 °FDaily high, Oct: 61 °FDaily high, Nov: 44 °FDaily high, Dec: 31 °FDaily low, Jan: 8 °FDaily low, Feb: 12 °FDaily low, Mar: 24 °FDaily low, Apr: 35 °FDaily low, May: 48 °FDaily low, Jun: 59 °FDaily low, Jul: 64 °FDaily low, Aug: 61 °FDaily low, Sep: 52 °FDaily low, Oct: 38 °FDaily low, Nov: 24 °FDaily low, Dec: 13 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Daily high263144587081858275614431
Daily low81224354859646152382413

Monthly precipitation

Total rain plus melted snow for each month, in inches.

0.02.04.0JanMarMayJulSepNovSioux Falls, Jan: 0.8 inSioux Falls, Feb: 0.9 inSioux Falls, Mar: 1.8 inSioux Falls, Apr: 3.6 inSioux Falls, May: 4.5 inSioux Falls, Jun: 5.1 inSioux Falls, Jul: 3.3 inSioux Falls, Aug: 3.3 inSioux Falls, Sep: 3.2 inSioux Falls, Oct: 2.4 inSioux Falls, Nov: 1.6 inSioux Falls, Dec: 1.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Sioux Falls0.80.91.83.64.55.13.33.33.22.41.61.0

Monthly sunny days

Days each month with clear or partly cloudy skies.

01020JanMarMayJulSepNovSioux Falls, Jan: 14 daysSioux Falls, Feb: 14 daysSioux Falls, Mar: 16 daysSioux Falls, Apr: 15 daysSioux Falls, May: 17 daysSioux Falls, Jun: 18 daysSioux Falls, Jul: 23 daysSioux Falls, Aug: 22 daysSioux Falls, Sep: 21 daysSioux Falls, Oct: 19 daysSioux Falls, Nov: 16 daysSioux Falls, Dec: 15 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Sioux Falls141416151718232221191615

Compare Sioux Falls with another city

Nearby cities and popular picks. Any two cities can be compared from the home page.

See weather for every covered South Dakota city

About this data

Figures are 30 year averages for 1991-2020. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).