2025 Compare Climate & Weather:
Summerlin South, NV vs San Jose, CA

Highlights

On average, there are 257 sunny days per year in San Jose. Summerlin South averages 292 sunny days per year. The US average is 205 sunny days.

San Jose, California gets 17.2 inches of rain, on average, per year. Summerlin South, Nevada gets 5.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Jose averages 0 inches of snow per year. Summerlin South averages 1.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Summerlin South, Nevada
Summer High: the July high is around 103.4 degrees
Winter Low: the January low is 35
Rain: averages 5.1 inches of rain a year
Snow: averages 1.1 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Summerlin South is 7.5 (10=best), which means it is more comfortable than most places in Nevada.

Today's Weather - Summerlin South, NV

89°F

Today's Weather - San Jose, CA

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Summerlin South / San Jose

July is the hottest month for Summerlin South with an average high temperature of 103.4°, which ranks it as warmer than most places in Nevada. In Summerlin South, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Summerlin South are April, October and March.

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.

December has the coldest nighttime temperatures for Summerlin South with an average of 34.7°. This is warmer than most places in Nevada.

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

In Summerlin South, there are 125.7 days annually when the high temperature is over 90°, which is hotter than most places in Nevada.

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 Summerlin South, there are 27.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Nevada.

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 Summerlin South, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

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.

February is the wettest month in Summerlin South with 0.8 inches of rain, and the driest month is May with 0.1 inches. The wettest season is Spring with 37% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 5.1 inches in Summerlin South means that it is drier than most places in Nevada.


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.

February is the rainiest month in Summerlin South with 4.4 days of rain, and June is the driest month with only 0.7 rainy days. There are 26.7 rainy days annually in Summerlin South, which is less rainy than most places in Nevada. The rainiest season is Spring when it rains 38% of the time and the driest is Winter with only a 20% chance of a rainy day.

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.

An annual snowfall of 1.1 inches in Summerlin South means that it is less snowy than most places in Nevada.

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

December is the snowiest month in Summerlin South with 0.4 inches of snow, and no months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in San Jose.