2025 Compare Climate & Weather:
Brentwood, TN vs Garden Grove, CA

Highlights

On average, there are 275 sunny days per year in Garden Grove. Brentwood averages 210 sunny days per year. The US average is 205 sunny days.

Garden Grove, California gets 13.3 inches of rain, on average, per year. Brentwood, Tennessee gets 52.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Garden Grove averages 0 inches of snow per year. Brentwood averages 3.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Garden Grove, California
Summer High: the July high is around 82.2 degrees
Winter Low: the January low is 46.3
Rain: averages 13.3 inches of rain a year
Snow: averages 0 inches of snow a year

Brentwood, Tennessee
Summer High: the July high is around 89.1 degrees
Winter Low: the January low is 26.1
Rain: averages 52.9 inches of rain a year
Snow: averages 3.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Garden Grove is 9.3 (10=best), which means it is one of the most pleasant places in California.

The annual BestPlaces Comfort Index for Brentwood is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

Today's Weather - Brentwood, TN

47°F

Today's Weather - Garden Grove, CA

56°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Brentwood / Garden Grove

July is the hottest month for Brentwood with an average high temperature of 89.1°, which ranks it as warmer than most places in Tennessee. In Brentwood, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Brentwood are May, September and October.

August is the hottest month for Garden Grove with an average high temperature of 84.1°, which ranks it as cooler than most places in California. In Garden Grove, there are 9 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Garden Grove are October, June and May.

January has the coldest nighttime temperatures for Brentwood with an average of 26.1°. This is about average compared to other places in Tennessee.

December has the coldest nighttime temperatures for Garden Grove with an average of 45.8°. This is one of the warmest places in California.

In Brentwood, there are 38.6 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In Garden Grove, there are 19.6 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Brentwood, there are 90.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Garden Grove, there are 0.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Brentwood, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Tennessee.

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

May is the wettest month in Brentwood with 6.1 inches of rain, and the driest month is August with 3.5 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 52.9 inches in Brentwood means that it is drier than most places in Tennessee.


February is the wettest month in Garden Grove with 3.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 13.3 inches in Garden Grove means that it is drier than most places in California.

May is the rainiest month in Brentwood with 12.0 days of rain, and September is the driest month with only 7.9 rainy days. There are 119.8 rainy days annually in Brentwood, which is rainier than most places in Tennessee. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

February is the rainiest month in Garden Grove with 6.6 days of rain, and August is the driest month with only 0.4 rainy days. There are 36.4 rainy days annually in Garden Grove, which is less rainy 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 4% chance of a rainy day.

An annual snowfall of 3.6 inches in Brentwood means that it is about average compared to other places in Tennessee.

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

January is the snowiest month in Brentwood with 1.6 inches of snow, and 2 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Garden Grove.