2025 Compare Climate & Weather:
Milwaukee, WI vs Sioux City, IA

Highlights

On average, there are 210 sunny days per year in Sioux City. Milwaukee averages 191 sunny days per year. The US average is 205 sunny days.

Sioux City, Iowa gets 29.5 inches of rain, on average, per year. Milwaukee, Wisconsin gets 34.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sioux City averages 32.3 inches of snow per year. Milwaukee averages 44.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Milwaukee, Wisconsin
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 13.8
Rain: averages 34.8 inches of rain a year
Snow: averages 44.6 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Milwaukee is 6.8 (10=best), which means it is one of the most pleasant places in Wisconsin.

Today's Weather - Milwaukee, WI

45°F

Today's Weather - Sioux City, IA

74°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Milwaukee / Sioux City

July is the hottest month for Milwaukee with an average high temperature of 82.7°, which ranks it as warmer than most places in Wisconsin. In Milwaukee, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Milwaukee are June, August and September.

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.

January has the coldest nighttime temperatures for Milwaukee with an average of 13.8°. This is one of the warmest places in Wisconsin.

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.

In Milwaukee, there are 11.4 days annually when the high temperature is over 90°, which is one of the hottest places in Wisconsin.

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 Milwaukee, there are 135.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Wisconsin.

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 Milwaukee, there are 9.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Wisconsin.

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.

June is the wettest month in Milwaukee with 4.2 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 34.8 inches in Milwaukee means that it is wetter than most places in Wisconsin.


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.

May is the rainiest month in Milwaukee with 12.0 days of rain, and February is the driest month with only 9.0 rainy days. There are 123.3 rainy days annually in Milwaukee, which is one of the rainiest places in Wisconsin. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

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.

An annual snowfall of 44.6 inches in Milwaukee means that it is snowier than most places in Wisconsin.

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

January is the snowiest month in Milwaukee with 13.2 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Sioux City with 7.3 inches of snow, and 6 months of the year have significant snowfall.