2025 Compare Climate & Weather:
Baldwinsville, NY vs Castro Valley, CA

Highlights

On average, there are 261 sunny days per year in Castro Valley. Baldwinsville averages 162 sunny days per year. The US average is 205 sunny days.

Castro Valley, California gets 21.3 inches of rain, on average, per year. Baldwinsville, New York gets 42.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Castro Valley averages 0 inches of snow per year. Baldwinsville averages 101.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Castro Valley, California
Summer High: the July high is around 75.6 degrees
Winter Low: the January low is 41.6
Rain: averages 21.3 inches of rain a year
Snow: averages 0 inches of snow a year

Baldwinsville, New York
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 14.2
Rain: averages 42.3 inches of rain a year
Snow: averages 101.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Castro Valley is 8.6 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Baldwinsville is 6.3 (10=best), which means it is less comfortable than most places in New York.

Today's Weather - Baldwinsville, NY

51°F

Today's Weather - Castro Valley, CA

57°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Baldwinsville / Castro Valley

July is the hottest month for Baldwinsville with an average high temperature of 80.5°, which ranks it as cooler than most places in New York. In Baldwinsville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Baldwinsville are August, June and July.

September is the hottest month for Castro Valley with an average high temperature of 77.3°, which ranks it as cooler than most places in California. In Castro Valley, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castro Valley are September, August and July.

January has the coldest nighttime temperatures for Baldwinsville with an average of 14.2°. This is colder than most places in New York.

January has the coldest nighttime temperatures for Castro Valley with an average of 41.6°. This is warmer than most places in California.

In Baldwinsville, there are 3.5 days annually when the high temperature is over 90°, which is cooler than most places in New York.

In Castro Valley, there are 12.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Baldwinsville, there are 139.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New York.

In Castro Valley, there are 3.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Baldwinsville, there are 5.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New York.

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

October is the wettest month in Baldwinsville with 4.0 inches of rain, and the driest month is February with 2.6 inches. The wettest season is Winter with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 42.3 inches in Baldwinsville means that it is drier than most places in New York.


February is the wettest month in Castro Valley with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 21.3 inches in Castro Valley means that it is wetter than most places in California.

January is the rainiest month in Baldwinsville with 17.2 days of rain, and August is the driest month with only 11.0 rainy days. There are 164.6 rainy days annually in Baldwinsville, 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 21% chance of a rainy day.

December is the rainiest month in Castro Valley with 11.6 days of rain, and July is the driest month with only 0.1 rainy days. There are 66.0 rainy days annually in Castro Valley, which is rainier than most places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 2% chance of a rainy day.

An annual snowfall of 101.2 inches in Baldwinsville means that it is snowier than most places in New York.

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

January is the snowiest month in Baldwinsville with 28.3 inches of snow, and 6 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Castro Valley.