2025 Compare Climate & Weather:
Grand Rapids, MI vs Pasadena, CA

Highlights

On average, there are 286 sunny days per year in Pasadena. Grand Rapids averages 158 sunny days per year. The US average is 205 sunny days.

Pasadena, California gets 21.4 inches of rain, on average, per year. Grand Rapids, Michigan gets 37.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Pasadena averages 0 inches of snow per year. Grand Rapids averages 64.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Pasadena, California
Summer High: the July high is around 87.5 degrees
Winter Low: the January low is 45.1
Rain: averages 21.4 inches of rain a year
Snow: averages 0 inches of snow a year

Grand Rapids, Michigan
Summer High: the July high is around 82.2 degrees
Winter Low: the January low is 17.6
Rain: averages 37.3 inches of rain a year
Snow: averages 64.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Pasadena is 9.1 (10=best), which means it is one of the most pleasant places in California.

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

Today's Weather - Grand Rapids, MI

63°F

Today's Weather - Pasadena, CA

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grand Rapids / Pasadena

July is the hottest month for Grand Rapids with an average high temperature of 82.2°, which ranks it as warmer than most places in Michigan. In Grand Rapids, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Rapids are June, August and July.

August is the hottest month for Pasadena with an average high temperature of 89.1°, which ranks it as about average compared to other places in California. In Pasadena, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pasadena are May, October and June.

January has the coldest nighttime temperatures for Grand Rapids with an average of 17.6°. This is warmer than most places in Michigan.

December has the coldest nighttime temperatures for Pasadena with an average of 44.3°. This is warmer than most places in California.

In Grand Rapids, there are 6.8 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

In Pasadena, there are 49.6 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Grand Rapids, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

In Pasadena, there are 1.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Grand Rapids, there are 4.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

In Pasadena, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

September is the wettest month in Grand Rapids with 4.1 inches of rain, and the driest month is February with 1.9 inches. The wettest season is Winter with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 37.3 inches in Grand Rapids means that it is one of the wettest places in Michigan.


February is the wettest month in Pasadena with 5.2 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 21.4 inches in Pasadena means that it is wetter than most places in California.

December is the rainiest month in Grand Rapids with 13.5 days of rain, and July is the driest month with only 9.0 rainy days. There are 129.1 rainy days annually in Grand Rapids, which is about average compared to other places in Michigan. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

February is the rainiest month in Pasadena with 6.8 days of rain, and July is the driest month with only 0.5 rainy days. There are 39.7 rainy days annually in Pasadena, which is less rainy than most places in California. The rainiest season is Spring when it rains 46% of the time and the driest is Autumn with only a 6% chance of a rainy day.

An annual snowfall of 64.2 inches in Grand Rapids means that it is snowier than most places in Michigan.

There is rarely any recorded snowfall in Pasadena, ranking it as one of the least snowy places in California.

January is the snowiest month in Grand Rapids with 18.6 inches of snow, and 6 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Pasadena.