Sioux City Metro Area, IA Weather


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United States / Iowa / Sioux City Metro Area / Counties / Cities / Zip Codes

The most pleasant months of the year for the Sioux City metro area are September, June and August. In the Sioux City metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the Sioux City metro area with an average high temperature of 85.3°, which ranks it as warmer than most places in Iowa. December is the snowiest month in the Sioux City metro area with 7.4 inches of snow, and 7 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Sioux City, IA

10 AM PST

Slight Chance Rain Showers

62°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonSlight Chance Rain Showers68° / 51°SE 20 mph
FridayShowers And Thunderstorms66° / 52°SE 20 to 25 mph
SaturdayPartly Sunny then Slight Chance Rain Showers68° / 50°WNW 10 to 15 mph
SundayShowers And Thunderstorms64° / 40°NNE 15 to 20 mph
MondayPartly Sunny62° / 45°WNW 15 mph
TuesdaySunny then Slight Chance Showers And Thunderstorms78° / 51°SW 10 to 15 mph
WednesdaySlight Chance Showers And Thunderstorms78° / 54°ESE 10 to 15 mph

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 9
Rain: averages 30 inches of rain a year
Snow: averages 32 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Sioux City Metro Area area is 8.9 (10=best), which means it is more comfortable than most places in Iowa.

8.9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January30°
February35° 14°
March47° 24°
April62° 36°
May72° 48°
June82° 58°
July85° 63°
August83° 60°
September76° 50°
October63° 38°
November46° 25°
December32° 12°
Hot, Freezing, Rainy, Snowy Days: Sioux City
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03154
February02743
March02473
April01191
May11100
June40100
July7080
August4080
September2170
October0960
November02352
December03054

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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