2025 Compare Climate & Weather:
Sioux City, IA vs Cedar Rapids, IA

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Highlights

On average, there are 193 sunny days per year in Cedar Rapids. Sioux City averages 210 sunny days per year. The US average is 205 sunny days.

Cedar Rapids, Iowa gets 36 inches of rain, on average, per year. Sioux City, Iowa gets 29.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Cedar Rapids averages 28.3 inches of snow per year. Sioux City averages 32.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Cedar Rapids, Iowa
Summer High:
the July high is around 84.1 degrees
Winter Low: the January low is 11.4
Rain: averages 36 inches of rain a year
Snow: averages 28.3 inches of snow a year

Sioux City, Iowa
Summer High:
the July high is around 85.5 degrees
Winter Low: the January low is 9.6
Rain: averages 29.5 inches of rain a year
Snow: averages 32.3 inches of snow a year

BestPlaces Comfort Index
Cedar Rapids

The annual BestPlaces Comfort Index for Cedar Rapids is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

6.9 / 10
September, June and August are the most pleasant months in Cedar Rapids, while January and December are the least comfortable months.

Sioux City

The annual BestPlaces Comfort Index for Sioux City is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

7 / 10
June, September and August are the most pleasant months in Sioux City, while January and December are the least comfortable months.

Today's Weather - Sioux City, IA

11 AM PST

Mostly Sunny

87°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonMostly Sunny92° / 61°SE 15 mph
ThursdayShowers And Thunderstorms Likely73° / 53°S 15 to 25 mph
FridayChance Rain Showers68° / 45°W 15 to 25 mph
SaturdayMostly Sunny70° / 44°NW 10 to 15 mph
SundayChance Rain Showers72° / 53°ENE 5 to 15 mph
MondayShowers And Thunderstorms75° / 51°ESE 15 to 20 mph
TuesdayShowers And Thunderstorms Likely66° / 44°WNW 15 to 20 mph
Today's Weather - Cedar Rapids, IA

11 AM PST

Mostly Sunny

82°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonMostly Sunny87° / 66°SE 10 mph
ThursdayMostly Sunny then Slight Chance Showers And Thunderstorms90° / 60°S 10 to 15 mph
FridaySunny then Slight Chance Showers And Thunderstorms83° / 53°SW 10 to 15 mph
SaturdaySunny73° / 49°W 10 to 15 mph
SundayMostly Sunny74° / 52°NE 5 to 10 mph
MondayChance Showers And Thunderstorms75° / 59°E 10 to 15 mph
TuesdayShowers And Thunderstorms74° / 52°S 15 mph
Average Monthly High / Low (°F)
MonthSioux City, IACedar Rapids, IA
January30° / 10°29° / 11°
February34° / 14°34° / 16°
March47° / 25°47° / 27°
April62° / 36°62° / 38°
May73° / 49°72° / 49°
June82° / 59°81° / 59°
July86° / 63°84° / 63°
August83° / 61°82° / 61°
September76° / 50°75° / 52°
October63° / 38°63° / 40°
November46° / 25°47° / 29°
December31° / 13°32° / 16°
Hot, Freezing, Rainy, Snowy Days: Sioux City / Cedar Rapids
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 031 / 305 / 74 / 5
February0 / 027 / 264 / 63 / 4
March0 / 024 / 227 / 83 / 2
April0 / 011 / 89 / 111 / 1
May1 / 01 / 110 / 120 / 0
June4 / 30 / 010 / 120 / 0
July7 / 50 / 08 / 100 / 0
August5 / 40 / 08 / 90 / 0
September2 / 11 / 17 / 80 / 0
October0 / 09 / 76 / 80 / 0
November0 / 023 / 196 / 82 / 1
December0 / 030 / 295 / 84 / 5
July is the hottest month for Sioux City with an average high temperature of 85.5°, which ranks it as warmer than most places in Iowa. In Sioux City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sioux City are September, June and August.

July is the hottest month for Cedar Rapids with an average high temperature of 84.1°, which ranks it as about average compared to other places in Iowa. In Cedar Rapids, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cedar Rapids are September, June and August.
January has the coldest nighttime temperatures for Sioux City with an average of 9.6°. This is about average compared to other places in Iowa.

January has the coldest nighttime temperatures for Cedar Rapids with an average of 11.4°. This is warmer than most places in Iowa.

In Sioux City, there are 19.8 days annually when the high temperature is over 90°, which is one of the hottest places in Iowa.

In Cedar Rapids, there are 12.9 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.

In Sioux City, there are 155.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.

In Cedar Rapids, there are 141.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Sioux City, there are 18.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Iowa.

In Cedar Rapids, there are 15.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

June is the wettest month in Sioux City with 4.1 inches of rain, and the driest month is February with 0.7 inches. The wettest season is Autumn with 37% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 29.5 inches in Sioux City means that it is one of the driest places in Iowa.


June is the wettest month in Cedar Rapids with 4.9 inches of rain, and the driest month is January with 1.0 inches. The wettest season is Autumn with 39% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 36.0 inches in Cedar Rapids means that it is about average compared to other places in Iowa.

May is the rainiest month in Sioux City with 10.3 days of rain, and February is the driest month with only 4.1 rainy days. There are 83.7 rainy days annually in Sioux City, which is one of the least rainy places in Iowa. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

June is the rainiest month in Cedar Rapids with 11.5 days of rain, and February is the driest month with only 6.2 rainy days. There are 105.0 rainy days annually in Cedar Rapids, which is rainier than most places in Iowa. The rainiest season is Autumn when it rains 29% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 32.3 inches in Sioux City means that it is snowier than most places in Iowa.

An annual snowfall of 28.3 inches in Cedar Rapids means that it is less snowy than most places in Iowa.
December is the snowiest month in Sioux City with 7.3 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Cedar Rapids with 8.1 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Sioux City    2 Reviews

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Sioux City

Reviews for Cedar Rapids    2 Reviews

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Cedar Rapids

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Zips In Sioux City, Iowa
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