2025 Compare Climate & Weather:
Rapid City, SD vs Boyne City, MI

Highlights

On average, there are 161 sunny days per year in Boyne City. Rapid City averages 226 sunny days per year. The US average is 205 sunny days.

Boyne City, Michigan gets 32.4 inches of rain, on average, per year. Rapid City, South Dakota gets 18.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Boyne City averages 118.7 inches of snow per year. Rapid City averages 38 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Boyne City, Michigan
Summer High: the July high is around 80 degrees
Winter Low: the January low is 13.9
Rain: averages 32.4 inches of rain a year
Snow: averages 118.7 inches of snow a year

Rapid City, South Dakota
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 14.2
Rain: averages 18.2 inches of rain a year
Snow: averages 38 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Boyne City is 6.1 (10=best), which means it is less comfortable than most places in Michigan.

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

Today's Weather - Rapid City, SD

38°F

Today's Weather - Boyne City, MI

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rapid City / Boyne City

July is the hottest month for Rapid City with an average high temperature of 85.3°, which ranks it as about average compared to other places in South Dakota. In Rapid City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rapid City are June, September and August.

July is the hottest month for Boyne City with an average high temperature of 80.0°, which ranks it as cooler than most places in Michigan. In Boyne City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boyne City are August, July and June.

January has the coldest nighttime temperatures for Rapid City with an average of 14.2°. This is one of the warmest places in South Dakota.

February has the coldest nighttime temperatures for Boyne City with an average of 13.5°. This is colder than most places in Michigan.

In Rapid City, there are 22.5 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.

In Boyne City, there are 6.5 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

In Rapid City, there are 159.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.

In Boyne City, there are 154.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Michigan.

In Rapid City, there are 14.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in South Dakota.

In Boyne City, there are 11.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Michigan.

May is the wettest month in Rapid City with 3.8 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 38% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 18.2 inches in Rapid City means that it is drier than most places in South Dakota.


October is the wettest month in Boyne City with 3.9 inches of rain, and the driest month is February with 1.4 inches. The wettest season is Winter with 32% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 32.4 inches in Boyne City means that it is drier than most places in Michigan.

June is the rainiest month in Rapid City with 11.8 days of rain, and November is the driest month with only 4.0 rainy days. There are 85.4 rainy days annually in Rapid City, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 15% chance of a rainy day.

December is the rainiest month in Boyne City with 17.4 days of rain, and July is the driest month with only 9.5 rainy days. There are 152.2 rainy days annually in Boyne City, which is one of the rainiest places in Michigan. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 20% chance of a rainy day.

An annual snowfall of 38.0 inches in Rapid City means that it is about average compared to other places in South Dakota.

An annual snowfall of 118.7 inches in Boyne City means that it is one of the snowiest places in Michigan.

March is the snowiest month in Rapid City with 8.6 inches of snow, and 8 months of the year have significant snowfall.

December is the snowiest month in Boyne City with 37.6 inches of snow, and 7 months of the year have significant snowfall.