2025 Compare Climate & Weather:
Bison, SD vs Sisseton, SD

Highlights

On average, there are 196 sunny days per year in Sisseton. Bison averages 221 sunny days per year. The US average is 205 sunny days.

Sisseton, South Dakota gets 23.8 inches of rain, on average, per year. Bison, South Dakota gets 17.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sisseton averages 44.1 inches of snow per year. Bison averages 35.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sisseton, South Dakota
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 2.9
Rain: averages 23.8 inches of rain a year
Snow: averages 44.1 inches of snow a year

Bison, South Dakota
Summer High: the July high is around 86 degrees
Winter Low: the January low is 8.1
Rain: averages 17.2 inches of rain a year
Snow: averages 35.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sisseton is 6.7 (10=best), which means it is less comfortable than most places in South Dakota.

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

Today's Weather - Bison, SD

79°F

Today's Weather - Sisseton, SD

81°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bison / Sisseton

July is the hottest month for Bison town with an average high temperature of 86.0°, which ranks it as warmer than most places in South Dakota. In Bison town, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bison town are June, September and August.

July is the hottest month for Sisseton with an average high temperature of 83.4°, which ranks it as cooler than most places in South Dakota. In Sisseton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sisseton are June, August and July.

January has the coldest nighttime temperatures for Bison town with an average of 8.1°. This is warmer than most places in South Dakota.

January has the coldest nighttime temperatures for Sisseton with an average of 2.9°. This is colder than most places in South Dakota.

In Bison town, there are 23.9 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Sisseton, there are 12.7 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

In Bison town, there are 181.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In Sisseton, there are 169.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.

In Bison town, there are 25.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.

In Sisseton, there are 35.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.

June is the wettest month in Bison town with 2.9 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 17.2 inches in Bison town means that it is one of the driest places in South Dakota.


June is the wettest month in Sisseton with 3.7 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Autumn with 41% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 23.8 inches in Sisseton means that it is about average compared to other places in South Dakota.

June is the rainiest month in Bison town with 7.9 days of rain, and January is the driest month with only 3.0 rainy days. There are 57.5 rainy days annually in Bison town, which is one of the least rainy places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 16% chance of a rainy day.

June is the rainiest month in Sisseton with 10.0 days of rain, and November is the driest month with only 4.3 rainy days. There are 80.6 rainy days annually in Sisseton, which is about average compared to other 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 35.6 inches in Bison town means that it is less snowy than most places in South Dakota.

An annual snowfall of 44.1 inches in Sisseton means that it is one of the snowiest places in South Dakota.

March is the snowiest month in Bison town with 7.7 inches of snow, and 8 months of the year have significant snowfall.

February is the snowiest month in Sisseton with 8.7 inches of snow, and 7 months of the year have significant snowfall.