Sioux Falls (SD) Weather and Climate: A Comprehensive Guide
Sioux Falls experiences great temperature shifts.
The city's weather can transition from warm days
to very cold weather.
It maintains moderate precipitation patterns.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
The climate in Sioux Falls is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C in July to a very cold -3°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -14°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Sioux Falls receives mid-range precipitation levels, with 725 mm annually. The climate in Sioux Falls shows significant variation throughout the year. Expect high rainfall in June, with an average of 124 mm of precipitation over 13 rainy days. In contrast, January offers drier and sunnier days, with around 16 mm of snowfall over 7 snowy days. For more details, please visit our Sioux Falls Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Sioux Falls.
The city experiences its highest humidity in December, reaching 75%. In May, the humidity drops to its lowest level at 64%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
overcast and no rain partly cloudy and no rain broken clouds and no rainForecast for Sioux Falls (SD)
4 m/s
4 m/s
7 m/s
The best time of year to visit Sioux Falls in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of January and November are very dry.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -3°C.
June tops the wettest month list with 124 mm of rainfall.
January is the driest month with 16 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
