2025 Compare Climate & Weather:
Des Moines, IA vs Grand Blanc, MI

Highlights

On average, there are 171 sunny days per year in Grand Blanc. Des Moines averages 204 sunny days per year. The US average is 205 sunny days.

Grand Blanc, Michigan gets 32.6 inches of rain, on average, per year. Des Moines, Iowa gets 35.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Grand Blanc averages 36.2 inches of snow per year. Des Moines averages 32.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Grand Blanc, Michigan
Summer High: the July high is around 82.5 degrees
Winter Low: the January low is 14.5
Rain: averages 32.6 inches of rain a year
Snow: averages 36.2 inches of snow a year

Des Moines, Iowa
Summer High: the July high is around 85.6 degrees
Winter Low: the January low is 12.5
Rain: averages 35.9 inches of rain a year
Snow: averages 32.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Grand Blanc is 6.7 (10=best), which means it is more comfortable than most places in Michigan.

The annual BestPlaces Comfort Index for Des Moines is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

Today's Weather - Des Moines, IA

78°F

Today's Weather - Grand Blanc, MI

82°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Des Moines / Grand Blanc

July is the hottest month for Des Moines with an average high temperature of 85.6°, which ranks it as warmer than most places in Iowa. In Des Moines, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Des Moines are September, June and May.

July is the hottest month for Grand Blanc with an average high temperature of 82.5°, which ranks it as warmer than most places in Michigan. In Grand Blanc, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Blanc are June, August and July.

January has the coldest nighttime temperatures for Des Moines with an average of 12.5°. This is warmer than most places in Iowa.

January has the coldest nighttime temperatures for Grand Blanc with an average of 14.5°. This is colder than most places in Michigan.

In Des Moines, there are 18.8 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Grand Blanc, there are 5.6 days annually when the high temperature is over 90°, which is about average compared to other places in Michigan.

In Des Moines, there are 135.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Grand Blanc, there are 150.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Michigan.

In Des Moines, there are 13.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

In Grand Blanc, there are 7.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Michigan.

June is the wettest month in Des Moines with 5.1 inches of rain, and the driest month is January with 1.0 inches. The wettest season is Autumn with 39% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.9 inches in Des Moines means that it is about average compared to other places in Iowa.


September is the wettest month in Grand Blanc with 3.7 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Autumn with 30% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 32.6 inches in Grand Blanc means that it is drier than most places in Michigan.

May is the rainiest month in Des Moines with 12.3 days of rain, and January is the driest month with only 6.8 rainy days. There are 107.6 rainy days annually in Des Moines, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 20% chance of a rainy day.

December is the rainiest month in Grand Blanc with 11.5 days of rain, and February is the driest month with only 8.6 rainy days. There are 120.2 rainy days annually in Grand Blanc, which is less rainy than most places in Michigan. The rainiest season is Spring when it rains 26% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 32.9 inches in Des Moines means that it is snowier than most places in Iowa.

An annual snowfall of 36.2 inches in Grand Blanc means that it is less snowy than most places in Michigan.

January is the snowiest month in Des Moines with 8.2 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Grand Blanc with 10.7 inches of snow, and 6 months of the year have significant snowfall.