2025 Compare Climate & Weather:
San Jose, CA vs Phoenix, AZ

Highlights

On average, there are 299 sunny days per year in Phoenix. San Jose averages 257 sunny days per year. The US average is 205 sunny days.

Phoenix, Arizona gets 9.2 inches of rain, on average, per year. San Jose, California gets 17.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Phoenix averages 0 inches of snow per year. San Jose averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Phoenix, Arizona
Summer High: the July high is around 104.5 degrees
Winter Low: the January low is 43.2
Rain: averages 9.2 inches of rain a year
Snow: averages 0 inches of snow a year

San Jose, California
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 41.6
Rain: averages 17.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Phoenix is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

The annual BestPlaces Comfort Index for San Jose is 8.8 (10=best), which means it is more comfortable than most places in California.

Today's Weather - San Jose, CA

67°F

Today's Weather - Phoenix, AZ

77°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Jose / Phoenix

August is the hottest month for San Jose with an average high temperature of 81.9°, which ranks it as cooler than most places in California. In San Jose, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Jose are June, September and May.

July is the hottest month for Phoenix with an average high temperature of 104.5°, which ranks it as warmer than most places in Arizona. In Phoenix, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Phoenix are March, November and April.

December has the coldest nighttime temperatures for San Jose with an average of 41.5°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Phoenix with an average of 42.2°. This is one of the warmest places in Arizona.

In San Jose, there are 16.9 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Phoenix, there are 163.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In San Jose, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Phoenix, there are 3.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

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

February is the wettest month in San Jose with 3.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 17.2 inches in San Jose means that it is about average compared to other places in California.


August is the wettest month in Phoenix with 1.1 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 9.2 inches in Phoenix means that it is drier than most places in Arizona.

December is the rainiest month in San Jose with 10.3 days of rain, and July is the driest month with only 0.2 rainy days. There are 61.8 rainy days annually in San Jose, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.

August is the rainiest month in Phoenix with 4.0 days of rain, and June is the driest month with only 0.4 rainy days. There are 33.1 rainy days annually in Phoenix, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 34% of the time and the driest is Summer with only a 20% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in San Jose.

Any measurable snowfall is a rare occurance in Phoenix.