Cool
Average highs are around 16°C, so pack for cooler days.
Weather Guide
Sioux Falls, South Dakota, United States Average Monthly Weather
Weather score52Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 14°C, sunshine averages 7.5h per day, and rainfall totals about 613mm.
Annual weather
Annual averages
Temp
14°C
Rain
613mm
Annual total
Sun
7.5h
Weather score
52
Mixed avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 43mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Map
Weather map
Compare Sioux Falls, South Dakota, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October16°C average high
October is close to Sioux Falls' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
October43mm average rain
October sits near Sioux Falls' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.5 hours average sun
October is below Sioux Falls' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
October40 weather score
October is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels in Sioux Falls, South Dakota, United States
Marriott
Sheraton Sioux Falls Hotel & Convention CenterSioux Falls, South Dakota, USA
Courtyard Sioux FallsSioux Falls, South Dakota, USA
Fairfield Inn & Suites Sioux FallsSioux Falls, South Dakota, USA
Fairfield Inn & Suites Sioux Falls AirportSioux Falls, South Dakota, USA
SpringHill Suites by Marriott Sioux FallsSioux Falls, South Dakota, USA
Residence Inn Sioux FallsSioux Falls, South Dakota, USA