2025 Compare Climate & Weather:
Poway, CA vs Chula Vista, CA

Highlights

On average, there are 261 sunny days per year in Chula Vista. Poway averages 267 sunny days per year. The US average is 205 sunny days.

Chula Vista, California gets 10.9 inches of rain, on average, per year. Poway, California gets 13.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chula Vista averages 0 inches of snow per year. Poway averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chula Vista, California
Summer High: the July high is around 78 degrees
Winter Low: the January low is 46.6
Rain: averages 10.9 inches of rain a year
Snow: averages 0 inches of snow a year

Poway, California
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 42.7
Rain: averages 13.3 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Poway is 8.9 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Poway, CA

87°F

Today's Weather - Chula Vista, CA

78°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Poway / Chula Vista

August is the hottest month for Poway with an average high temperature of 88.8°, which ranks it as about average compared to other places in California. In Poway, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Poway are May, October and June.

August is the hottest month for Chula Vista with an average high temperature of 79.6°, which ranks it as cooler than most places in California. In Chula Vista, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chula Vista are July, September and August.

December has the coldest nighttime temperatures for Poway with an average of 42.4°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Chula Vista with an average of 46.2°. This is one of the warmest places in California.

In Poway, there are 52.2 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Chula Vista, there are 10.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Poway, there are 4.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Chula Vista, there are 0.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Poway, 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 Chula Vista, 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 Poway with 3.0 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 56% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 13.3 inches in Poway means that it is drier than most places in California.


February is the wettest month in Chula Vista with 2.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 54% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 10.9 inches in Chula Vista means that it is drier than most places in California.

February is the rainiest month in Poway with 7.2 days of rain, and August is the driest month with only 0.4 rainy days. There are 42.0 rainy days annually in Poway, which is less rainy than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 4% chance of a rainy day.

February is the rainiest month in Chula Vista with 6.7 days of rain, and August is the driest month with only 0.4 rainy days. There are 37.4 rainy days annually in Chula Vista, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Poway.

Any measurable snowfall is a rare occurance in Chula Vista.