2025 Compare Climate & Weather:
Clayton, GA vs San Francisco, CA

Highlights

On average, there are 259 sunny days per year in San Francisco. Clayton averages 212 sunny days per year. The US average is 205 sunny days.

San Francisco, California gets 24.6 inches of rain, on average, per year. Clayton, Georgia gets 66.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Francisco averages 0 inches of snow per year. Clayton averages 3.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Francisco, California
Summer High: the July high is around 67.2 degrees
Winter Low: the January low is 45.5
Rain: averages 24.6 inches of rain a year
Snow: averages 0 inches of snow a year

Clayton, Georgia
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 26.1
Rain: averages 66.9 inches of rain a year
Snow: averages 3.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Francisco is 8.5 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Clayton is 7.6 (10=best), which means it is one of the most pleasant places in Georgia.

Today's Weather - Clayton, GA

54°F

Today's Weather - San Francisco, CA

53°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Clayton / San Francisco

July is the hottest month for Clayton with an average high temperature of 85.3°, which ranks it as one of the coolest places in Georgia. In Clayton, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Clayton are September, May and June.

September is the hottest month for San Francisco with an average high temperature of 69.9°, which ranks it as one of the coolest places in California. In San Francisco, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Francisco are September, October and August.

January has the coldest nighttime temperatures for Clayton with an average of 26.1°. This is one of the coldest places in Georgia.

January has the coldest nighttime temperatures for San Francisco with an average of 45.5°. This is one of the warmest places in California.

In Clayton, there are 11.0 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

In San Francisco, there are 1.9 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Clayton, there are 95.5 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Georgia.

In San Francisco, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Clayton, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

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

December is the wettest month in Clayton with 6.3 inches of rain, and the driest month is October with 4.7 inches. The wettest season is Spring with 28% of yearly precipitation and 24% occurs in Summer, which is the driest season. The annual rainfall of 66.9 inches in Clayton means that it is one of the wettest places in Georgia.


January is the wettest month in San Francisco with 4.8 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 24.6 inches in San Francisco means that it is wetter than most places in California.

July is the rainiest month in Clayton with 12.8 days of rain, and October is the driest month with only 7.8 rainy days. There are 128.5 rainy days annually in Clayton, which is one of the rainiest places in Georgia. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

December is the rainiest month in San Francisco with 11.7 days of rain, and July is the driest month with only 0.6 rainy days. There are 72.3 rainy days annually in San Francisco, which is rainier 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.

An annual snowfall of 3.8 inches in Clayton means that it is one of the snowiest places in Georgia.

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

January is the snowiest month in Clayton with 1.4 inches of snow, and 4 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in San Francisco.