2025 Compare Climate & Weather:
Sunnyvale, CA vs Tampa, FL

Highlights

On average, there are 246 sunny days per year in Tampa. Sunnyvale averages 260 sunny days per year. The US average is 205 sunny days.

Tampa, Florida gets 50.6 inches of rain, on average, per year. Sunnyvale, California gets 15.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

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

Weather Highlights

Tampa, Florida
Summer High: the July high is around 90.3 degrees
Winter Low: the January low is 51.6
Rain: averages 50.6 inches of rain a year
Snow: averages 0 inches of snow a year

Sunnyvale, California
Summer High: the July high is around 80.3 degrees
Winter Low: the January low is 42.3
Rain: averages 15.4 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Tampa is 6.8 (10=best), which means it is about average compared to other places in Florida.

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

Today's Weather - Sunnyvale, CA

77°F

Today's Weather - Tampa, FL

90°F

Average Monthly High / Low (°F)

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

August is the hottest month for Sunnyvale with an average high temperature of 80.3°, which ranks it as cooler than most places in California. In Sunnyvale, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sunnyvale are June, September and July.

August is the hottest month for Tampa with an average high temperature of 90.3°, which ranks it as cooler than most places in Florida. In Tampa, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tampa are November, March and April.

December has the coldest nighttime temperatures for Sunnyvale with an average of 42.2°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Tampa with an average of 51.6°. This is warmer than most places in Florida.

In Sunnyvale, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Tampa, there are 74.0 days annually when the high temperature is over 90°, which is about average compared to other places in Florida.

In Sunnyvale, there are 2.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Tampa, there are 1.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Florida.

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 California.

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

February is the wettest month in Sunnyvale with 3.1 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 56% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 15.4 inches in Sunnyvale means that it is drier than most places in California.


August is the wettest month in Tampa with 8.0 inches of rain, and the driest month is November with 1.8 inches. The wettest season is Autumn with 45% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 50.6 inches in Tampa means that it is one of the driest places in Florida.

December is the rainiest month in Sunnyvale with 10.5 days of rain, and July is the driest month with only 0.2 rainy days. There are 62.6 rainy days annually in Sunnyvale, which is rainier than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 2% chance of a rainy day.

August is the rainiest month in Tampa with 15.8 days of rain, and April is the driest month with only 4.9 rainy days. There are 104.9 rainy days annually in Tampa, which is less rainy than most places in Florida. The rainiest season is Autumn when it rains 42% of the time and the driest is Summer with only a 16% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Sunnyvale.

Any measurable snowfall is a rare occurance in Tampa.