2025 Compare Climate & Weather:
Sioux Falls, SD vs Oshkosh, WI

Highlights

On average, there are 189 sunny days per year in Oshkosh. Sioux Falls averages 211 sunny days per year. The US average is 205 sunny days.

Oshkosh, Wisconsin gets 30.7 inches of rain, on average, per year. Sioux Falls, South Dakota gets 26.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Oshkosh averages 37.2 inches of snow per year. Sioux Falls averages 37.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Oshkosh, Wisconsin
Summer High: the July high is around 81.1 degrees
Winter Low: the January low is 10.1
Rain: averages 30.7 inches of rain a year
Snow: averages 37.2 inches of snow a year

Sioux Falls, South Dakota
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 6.3
Rain: averages 26.7 inches of rain a year
Snow: averages 37.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Oshkosh is 6.7 (10=best), which means it is one of the most pleasant places in Wisconsin.

The annual BestPlaces Comfort Index for Sioux Falls is 6.8 (10=best), which means it is about average compared to other places in South Dakota.

Today's Weather - Sioux Falls, SD

50°F

Today's Weather - Oshkosh, WI

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sioux Falls / Oshkosh

July is the hottest month for Sioux Falls with an average high temperature of 83.5°, which ranks it as cooler than most places in South Dakota. In Sioux Falls, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sioux Falls are June, August and September.

July is the hottest month for Oshkosh with an average high temperature of 81.1°, which ranks it as about average compared to other places in Wisconsin. In Oshkosh, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oshkosh are June, August and July.

January has the coldest nighttime temperatures for Sioux Falls with an average of 6.3°. This is about average compared to other places in South Dakota.

January has the coldest nighttime temperatures for Oshkosh with an average of 10.1°. This is warmer than most places in Wisconsin.

In Sioux Falls, there are 11.2 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

In Oshkosh, there are 4.5 days annually when the high temperature is over 90°, which is cooler than most places in Wisconsin.

In Sioux Falls, there are 161.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.

In Oshkosh, there are 147.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wisconsin.

In Sioux Falls, there are 26.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.

In Oshkosh, there are 17.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.

June is the wettest month in Sioux Falls with 4.0 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Autumn with 38% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 26.7 inches in Sioux Falls means that it is wetter than most places in South Dakota.


June is the wettest month in Oshkosh with 4.1 inches of rain, and the driest month is February with 1.0 inches. The wettest season is Autumn with 37% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 30.7 inches in Oshkosh means that it is one of the driest places in Wisconsin.

May is the rainiest month in Sioux Falls with 10.8 days of rain, and February is the driest month with only 5.1 rainy days. There are 90.1 rainy days annually in Sioux Falls, which is one of the rainiest places in South Dakota. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 17% chance of a rainy day.

May is the rainiest month in Oshkosh with 11.0 days of rain, and February is the driest month with only 7.0 rainy days. There are 111.1 rainy days annually in Oshkosh, which is about average compared to other places in Wisconsin. The rainiest season is Autumn when it rains 27% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 37.6 inches in Sioux Falls means that it is about average compared to other places in South Dakota.

An annual snowfall of 37.2 inches in Oshkosh means that it is one of the least snowy places in Wisconsin.

December is the snowiest month in Sioux Falls with 7.0 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Oshkosh with 9.9 inches of snow, and 6 months of the year have significant snowfall.