2025 Compare Climate & Weather:
Pasadena, CA vs Rochester, NY

Highlights

On average, there are 165 sunny days per year in Rochester. Pasadena averages 286 sunny days per year. The US average is 205 sunny days.

Rochester, New York gets 33.4 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.

Rochester averages 77.3 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

Rochester, New York
Summer High: the July high is around 81.5 degrees
Winter Low: the January low is 17.3
Rain: averages 33.4 inches of rain a year
Snow: averages 77.3 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 Rochester is 6.6 (10=best), which means it is about average compared to other places in New York.

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

64°F

Today's Weather - Rochester, NY

53°F

Average Monthly High / Low (°F)

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

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 Rochester with an average high temperature of 81.5°, which ranks it as about average compared to other places in New York. In Rochester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rochester are June, August and July.

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 Rochester with an average of 17.3°. This is about average compared to other places in New York.

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 Rochester, there are 5.8 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

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 Rochester, there are 131.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New York.

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 Rochester, there are 4.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New York.

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.


September is the wettest month in Rochester with 3.4 inches of rain, and the driest month is February with 1.7 inches. The wettest season is Autumn with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 33.4 inches in Rochester means that it is one of the driest places in New York.

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.

January is the rainiest month in Rochester with 15.4 days of rain, and August is the driest month with only 10.0 rainy days. There are 141.5 rainy days annually in Rochester, which is rainier than most places in New York. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 22% 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 77.3 inches in Rochester means that it is snowier than most places in New York.

Any measurable snowfall is a rare occurance in Pasadena.

January is the snowiest month in Rochester with 22.3 inches of snow, and 6 months of the year have significant snowfall.