2025 Compare Climate & Weather:
Bloomington, IN vs Oslo, SD

Highlights

On average, there are 208 sunny days per year in Oslo. Bloomington averages 184 sunny days per year. The US average is 205 sunny days.

Oslo, South Dakota gets 25.6 inches of rain, on average, per year. Bloomington, Indiana gets 47.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Oslo averages 36.6 inches of snow per year. Bloomington averages 17.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Oslo, South Dakota
Summer High: the July high is around 82.6 degrees
Winter Low: the January low is 4.8
Rain: averages 25.6 inches of rain a year
Snow: averages 36.6 inches of snow a year

Bloomington, Indiana
Summer High: the July high is around 84.7 degrees
Winter Low: the January low is 20.4
Rain: averages 47.7 inches of rain a year
Snow: averages 17.2 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Bloomington is 7.2 (10=best), which means it is one of the most pleasant places in Indiana.

Today's Weather - Bloomington, IN

75°F

Today's Weather - Oslo, SD

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bloomington / Oslo

July is the hottest month for Bloomington with an average high temperature of 84.7°, which ranks it as warmer than most places in Indiana. In Bloomington, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bloomington are September, June and May.

July is the hottest month for Oslo with an average high temperature of 82.6°, which ranks it as cooler than most places in South Dakota. In Oslo, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oslo are June, August and July.

January has the coldest nighttime temperatures for Bloomington with an average of 20.4°. This is warmer than most places in Indiana.

January has the coldest nighttime temperatures for Oslo with an average of 4.8°. This is colder than most places in South Dakota.

In Bloomington, there are 13.7 days annually when the high temperature is over 90°, which is about average compared to other places in Indiana.

In Oslo, there are 8.7 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

In Bloomington, there are 110.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Indiana.

In Oslo, there are 166.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.

In Bloomington, there are 3.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Indiana.

In Oslo, there are 30.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.

May is the wettest month in Bloomington with 5.7 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 47.7 inches in Bloomington means that it is one of the wettest places in Indiana.


June is the wettest month in Oslo with 4.3 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 25.6 inches in Oslo means that it is wetter than most places in South Dakota.

May is the rainiest month in Bloomington with 12.2 days of rain, and August is the driest month with only 7.7 rainy days. There are 118.5 rainy days annually in Bloomington, which is about average compared to other places in Indiana. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

June is the rainiest month in Oslo with 11.0 days of rain, and December is the driest month with only 4.4 rainy days. There are 86.6 rainy days annually in Oslo, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 17.2 inches in Bloomington means that it is less snowy than most places in Indiana.

An annual snowfall of 36.6 inches in Oslo means that it is about average compared to other places in South Dakota.

January is the snowiest month in Bloomington with 6.1 inches of snow, and 4 months of the year have significant snowfall.

December is the snowiest month in Oslo with 6.9 inches of snow, and 7 months of the year have significant snowfall.