2025 Compare Climate & Weather:
Gilbert, AZ vs Sunnyvale, TX

Highlights

On average, there are 230 sunny days per year in Sunnyvale. Gilbert averages 296 sunny days per year. The US average is 205 sunny days.

Sunnyvale, Texas gets 40.3 inches of rain, on average, per year. Gilbert, Arizona gets 9.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sunnyvale averages 0.6 inches of snow per year. Gilbert averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sunnyvale, Texas
Summer High: the July high is around 95 degrees
Winter Low: the January low is 35.4
Rain: averages 40.3 inches of rain a year
Snow: averages 0.6 inches of snow a year

Gilbert, Arizona
Summer High: the July high is around 105 degrees
Winter Low: the January low is 39.8
Rain: averages 9.4 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sunnyvale is 7.1 (10=best), which means it is about average compared to other places in Texas.

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

Today's Weather - Gilbert, AZ

77°F

Today's Weather - Sunnyvale, TX

75°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Gilbert / Sunnyvale

July is the hottest month for Gilbert with an average high temperature of 105.0°, which ranks it as warmer than most places in Arizona. In Gilbert, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gilbert are March, November and February.

August is the hottest month for Sunnyvale with an average high temperature of 95.8°, which ranks it as warmer than most places in Texas. In Sunnyvale, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sunnyvale are October, April and May.

December has the coldest nighttime temperatures for Gilbert with an average of 38.5°. This is warmer than most places in Arizona.

January has the coldest nighttime temperatures for Sunnyvale with an average of 35.4°. This is about average compared to other places in Texas.

In Gilbert, there are 167.5 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Sunnyvale, there are 90.1 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.

In Gilbert, there are 11.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Sunnyvale, there are 30.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

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

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

August is the wettest month in Gilbert with 1.4 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 37% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 9.4 inches in Gilbert means that it is drier than most places in Arizona.


May is the wettest month in Sunnyvale with 5.2 inches of rain, and the driest month is August with 1.9 inches. The wettest season is Summer with 30% of yearly precipitation and 21% occurs in Autumn, which is the driest season. The annual rainfall of 40.3 inches in Sunnyvale means that it is wetter than most places in Texas.

August is the rainiest month in Gilbert with 4.4 days of rain, and June is the driest month with only 0.4 rainy days. There are 32.7 rainy days annually in Gilbert, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 35% of the time and the driest is Summer with only a 18% chance of a rainy day.

May is the rainiest month in Sunnyvale with 8.3 days of rain, and July is the driest month with only 4.0 rainy days. There are 74.5 rainy days annually in Sunnyvale, which is about average compared to other places in Texas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 20% chance of a rainy day.

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

An annual snowfall of 0.6 inches in Sunnyvale means that it is snowier than most places in Texas.

Any measurable snowfall is a rare occurance in Gilbert.

December is the snowiest month in Sunnyvale with 0.2 inches of snow, and no months of the year have significant snowfall.