2025 Compare Climate & Weather:
Pasadena, CA vs Troy, MI

Highlights

On average, there are 180 sunny days per year in Troy. Pasadena averages 286 sunny days per year. The US average is 205 sunny days.

Troy, Michigan gets 32.7 inches of rain, on average, per year. Pasadena, California gets 21.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Troy averages 32.6 inches of snow per year. Pasadena averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Troy, Michigan
Summer High: the July high is around 83 degrees
Winter Low: the January low is 17.5
Rain: averages 32.7 inches of rain a year
Snow: averages 32.6 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Troy is 6.9 (10=best), which means it is one of the most pleasant places in Michigan.

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

Today's Weather - Pasadena, CA

91°F

Today's Weather - Troy, MI

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Pasadena / Troy

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.

July is the hottest month for Troy with an average high temperature of 83.0°, which ranks it as warmer than most places in Michigan. In Troy, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Troy are June, August and September.

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

January has the coldest nighttime temperatures for Troy with an average of 17.5°. This is warmer 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 Troy, there are 7.1 days annually when the high temperature is over 90°, which is hotter 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 Troy, there are 132.6 days annually when the nighttime low temperature falls below freezing, 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.

In Troy, there are 3.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most 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.


June is the wettest month in Troy with 3.4 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Autumn with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 32.7 inches in Troy means that it is drier than most places in Michigan.

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.

December is the rainiest month in Troy with 11.9 days of rain, and February is the driest month with only 9.2 rainy days. There are 124.8 rainy days annually in Troy, 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.

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

An annual snowfall of 32.6 inches in Troy means that it is one of the least snowy places in Michigan.

Any measurable snowfall is a rare occurance in Pasadena.

January is the snowiest month in Troy with 9.9 inches of snow, and 6 months of the year have significant snowfall.