2025 Compare Climate & Weather:
Aberdeen, SD vs North Sioux City, SD

Highlights

On average, there are 212 sunny days per year in North Sioux City. Aberdeen averages 199 sunny days per year. The US average is 205 sunny days.

North Sioux City, South Dakota gets 29.5 inches of rain, on average, per year. Aberdeen, South Dakota gets 22.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

North Sioux City averages 32.3 inches of snow per year. Aberdeen averages 38.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

North Sioux City, South Dakota
Summer High: the July high is around 85.4 degrees
Winter Low: the January low is 9.7
Rain: averages 29.5 inches of rain a year
Snow: averages 32.3 inches of snow a year

Aberdeen, South Dakota
Summer High: the July high is around 83.8 degrees
Winter Low: the January low is 1.3
Rain: averages 22.4 inches of rain a year
Snow: averages 38.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for North Sioux City is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

The annual BestPlaces Comfort Index for Aberdeen is 6.6 (10=best), which means it is less comfortable than most places in South Dakota.

Today's Weather - Aberdeen, SD

76°F

Today's Weather - North Sioux City, SD

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Aberdeen / North Sioux City

July is the hottest month for Aberdeen with an average high temperature of 83.8°, which ranks it as cooler than most places in South Dakota. In Aberdeen, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Aberdeen are June, August and September.

July is the hottest month for North Sioux City with an average high temperature of 85.4°, which ranks it as about average compared to other places in South Dakota. In North Sioux City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for North Sioux City are September, June and May.

January has the coldest nighttime temperatures for Aberdeen with an average of 1.3°. This is one of the coldest places in South Dakota.

January has the coldest nighttime temperatures for North Sioux City with an average of 9.7°. This is warmer than most places in South Dakota.

In Aberdeen, there are 14.3 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

In North Sioux City, there are 20.0 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.

In Aberdeen, there are 179.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In North Sioux City, there are 154.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Dakota.

In Aberdeen, there are 37.6 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.

In North Sioux City, there are 19.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

June is the wettest month in Aberdeen with 3.5 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 22.4 inches in Aberdeen means that it is drier than most places in South Dakota.


June is the wettest month in North 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 9% occurs in Spring, which is the driest season. The annual rainfall of 29.5 inches in North Sioux City means that it is one of the wettest places in South Dakota.

June is the rainiest month in Aberdeen with 11.0 days of rain, and February is the driest month with only 5.6 rainy days. There are 90.7 rainy days annually in Aberdeen, which is one of the rainiest places in South Dakota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 19% chance of a rainy day.

May is the rainiest month in North 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 North Sioux City, which is rainier than most places in South Dakota. 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 38.4 inches in Aberdeen means that it is about average compared to other places in South Dakota.

An annual snowfall of 32.3 inches in North Sioux City means that it is one of the least snowy places in South Dakota.

March is the snowiest month in Aberdeen with 7.1 inches of snow, and 7 months of the year have significant snowfall.

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