2025 Compare Climate & Weather:
Rochester, NY vs Walnut Creek, CA

Highlights

On average, there are 262 sunny days per year in Walnut Creek. Rochester averages 165 sunny days per year. The US average is 205 sunny days.

Walnut Creek, California gets 19.6 inches of rain, on average, per year. Rochester, New York gets 33.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Walnut Creek averages 0 inches of snow per year. Rochester averages 77.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Walnut Creek, California
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 39.5
Rain: averages 19.6 inches of rain a year
Snow: averages 0 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Walnut Creek is 8.5 (10=best), which means it is more comfortable than most places in California.

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.

Today's Weather - Rochester, NY

41°F

Today's Weather - Walnut Creek, CA

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rochester / Walnut Creek

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.

July is the hottest month for Walnut Creek with an average high temperature of 85.8°, which ranks it as cooler than most places in California. In Walnut Creek, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Walnut Creek are May, October and June.

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.

January has the coldest nighttime temperatures for Walnut Creek with an average of 39.5°. This is warmer than most 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 Walnut Creek, there are 36.5 days annually when the high temperature is over 90°, which is about average compared to other 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 Walnut Creek, there are 9.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most 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.

In Walnut Creek, 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 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 wettest month in Walnut Creek with 3.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 19.6 inches in Walnut Creek means that it is about average compared to other places in California.

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.

December is the rainiest month in Walnut Creek with 11.1 days of rain, and July is the driest month with only 0.1 rainy days. There are 62.2 rainy days annually in Walnut Creek, which is rainier than most places in California. The rainiest season is Spring when it rains 52% of the time and the driest is Autumn with only a 2% chance of a rainy day.

An annual snowfall of 77.3 inches in Rochester means that it is snowier than most places in New York.

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

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

Any measurable snowfall is a rare occurance in Walnut Creek.