2025 Compare Climate & Weather:
San Luis Obispo, CA vs Atlanta, GA

Highlights

On average, there are 217 sunny days per year in Atlanta. San Luis Obispo averages 287 sunny days per year. The US average is 205 sunny days.

Atlanta, Georgia gets 51.5 inches of rain, on average, per year. San Luis Obispo, California gets 20 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Atlanta averages 1.4 inches of snow per year. San Luis Obispo averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Atlanta, Georgia
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 32.6
Rain: averages 51.5 inches of rain a year
Snow: averages 1.4 inches of snow a year

San Luis Obispo, California
Summer High: the July high is around 73.7 degrees
Winter Low: the January low is 42.8
Rain: averages 20 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - San Luis Obispo, CA

61°F

Today's Weather - Atlanta, GA

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Luis Obispo / Atlanta

September is the hottest month for San Luis Obispo with an average high temperature of 75.3°, which ranks it as one of the coolest places in California. In San Luis Obispo, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Luis Obispo are September, August and July.

July is the hottest month for Atlanta with an average high temperature of 88.3°, which ranks it as cooler than most places in Georgia. In Atlanta, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Atlanta are May, September and April.

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

January has the coldest nighttime temperatures for Atlanta with an average of 32.6°. This is about average compared to other places in Georgia.

In San Luis Obispo, there are 6.3 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Atlanta, there are 31.5 days annually when the high temperature is over 90°, which is cooler than most places in Georgia.

In San Luis Obispo, there are 3.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Atlanta, there are 46.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Georgia.

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

February is the wettest month in San Luis Obispo with 4.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.0 inches in San Luis Obispo means that it is about average compared to other places in California.


July is the wettest month in Atlanta with 5.1 inches of rain, and the driest month is October with 3.5 inches. The wettest season is Autumn with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 51.5 inches in Atlanta means that it is wetter than most places in Georgia.

February is the rainiest month in San Luis Obispo with 9.2 days of rain, and July is the driest month with only 0.4 rainy days. There are 50.5 rainy days annually in San Luis Obispo, which is about average compared to other places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 3% chance of a rainy day.

July is the rainiest month in Atlanta with 11.2 days of rain, and October is the driest month with only 7.0 rainy days. There are 109.3 rainy days annually in Atlanta, which is rainier than most places in Georgia. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 20% chance of a rainy day.

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

An annual snowfall of 1.4 inches in Atlanta means that it is snowier than most places in Georgia.

Any measurable snowfall is a rare occurance in San Luis Obispo.

January is the snowiest month in Atlanta with 0.6 inches of snow, and 1 month of the year have significant snowfall.