2025 Compare Climate & Weather:
Okemos, MI vs Boulder, CO

Highlights

On average, there are 245 sunny days per year in Boulder. Okemos averages 174 sunny days per year. The US average is 205 sunny days.

Boulder, Colorado gets 18.1 inches of rain, on average, per year. Okemos, Michigan gets 32.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Boulder averages 71.1 inches of snow per year. Okemos averages 43.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Boulder, Colorado
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 18.9
Rain: averages 18.1 inches of rain a year
Snow: averages 71.1 inches of snow a year

Okemos, Michigan
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 16.6
Rain: averages 32.3 inches of rain a year
Snow: averages 43.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Boulder is 7.1 (10=best), which means it is about average compared to other places in Colorado.

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

Today's Weather - Okemos, MI

56°F

Today's Weather - Boulder, CO

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Okemos / Boulder

July is the hottest month for Okemos with an average high temperature of 82.4°, which ranks it as warmer than most places in Michigan. In Okemos, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Okemos are June, August and July.

July is the hottest month for Boulder with an average high temperature of 88.1°, which ranks it as about average compared to other places in Colorado. In Boulder, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boulder are September, June and May.

January has the coldest nighttime temperatures for Okemos with an average of 16.6°. This is warmer than most places in Michigan.

December has the coldest nighttime temperatures for Boulder with an average of 18.3°. This is one of the warmest places in Colorado.

In Okemos, there are 7.5 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

In Boulder, there are 32.4 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

In Okemos, there are 132.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

In Boulder, there are 151.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

In Okemos, there are 6.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Michigan.

In Boulder, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

June is the wettest month in Okemos with 3.6 inches of rain, and the driest month is February with 1.5 inches. The wettest season is Autumn with 31% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 32.3 inches in Okemos means that it is drier than most places in Michigan.


May is the wettest month in Boulder with 2.5 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 37% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 18.1 inches in Boulder means that it is wetter than most places in Colorado.

December is the rainiest month in Okemos with 13.0 days of rain, and August is the driest month with only 9.4 rainy days. There are 127.6 rainy days annually in Okemos, which is about average compared to other places in Michigan. The rainiest season is Spring when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

May is the rainiest month in Boulder with 10.5 days of rain, and January is the driest month with only 4.7 rainy days. There are 88.0 rainy days annually in Boulder, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 43.8 inches in Okemos means that it is about average compared to other places in Michigan.

An annual snowfall of 71.1 inches in Boulder means that it is snowier than most places in Colorado.

January is the snowiest month in Okemos with 12.5 inches of snow, and 6 months of the year have significant snowfall.

March is the snowiest month in Boulder with 14.3 inches of snow, and 9 months of the year have significant snowfall.