Sioux City (IA) Weather and Climate: A Comprehensive Guide
The temperature in Sioux City can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and very cold during the cooler months.
It maintains moderate precipitation patterns.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Visitors to Sioux City can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 30°C in July to a very cold -1°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -13°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Sioux City experiences moderate precipitation patterns, averaging 739 mm yearly. The climate in Sioux City shows significant variation throughout the year. Expect high rainfall in June, with an average of 108 mm of precipitation over 13 rainy days. In contrast, January offers drier and sunnier days, with around 13 mm of snowfall over 6 snowy days. For more details, please visit our Sioux City Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
overcast and rain almost clear and no rain clear and no rainForecast for Sioux City (IA)
4 m/s
4 m/s
6 m/s
The best time of year to visit Sioux City 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:
The hottest season / summer takes place in June, July, August and September.
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 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
June tops the wettest month list with 108 mm of rainfall.
January is the driest month with 13 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.
