2025 Compare Climate & Weather:
Alpharetta, GA vs Pittsburgh, PA

Highlights

On average, there are 160 sunny days per year in Pittsburgh. Alpharetta averages 218 sunny days per year. The US average is 205 sunny days.

Pittsburgh, Pennsylvania gets 38.3 inches of rain, on average, per year. Alpharetta, Georgia gets 53.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Pittsburgh averages 27.7 inches of snow per year. Alpharetta averages 1.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Pittsburgh, Pennsylvania
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 21
Rain: averages 38.3 inches of rain a year
Snow: averages 27.7 inches of snow a year

Alpharetta, Georgia
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 30
Rain: averages 53.4 inches of rain a year
Snow: averages 1.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Pittsburgh is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

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

Today's Weather - Alpharetta, GA

69°F

Today's Weather - Pittsburgh, PA

51°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Alpharetta / Pittsburgh

July is the hottest month for Alpharetta with an average high temperature of 87.9°, which ranks it as cooler than most places in Georgia. In Alpharetta, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Alpharetta are May, September and October.

July is the hottest month for Pittsburgh with an average high temperature of 83.5°, which ranks it as about average compared to other places in Pennsylvania. In Pittsburgh, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pittsburgh are June, September and August.

January has the coldest nighttime temperatures for Alpharetta with an average of 30.0°. This is colder than most places in Georgia.

January has the coldest nighttime temperatures for Pittsburgh with an average of 21.0°. This is warmer than most places in Pennsylvania.

In Alpharetta, there are 27.3 days annually when the high temperature is over 90°, which is cooler than most places in Georgia.

In Pittsburgh, there are 8.8 days annually when the high temperature is over 90°, which is about average compared to other places in Pennsylvania.

In Alpharetta, there are 64.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

In Pittsburgh, there are 114.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Alpharetta, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

In Pittsburgh, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

March is the wettest month in Alpharetta with 5.1 inches of rain, and the driest month is April with 3.8 inches. The wettest season is Spring with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 53.4 inches in Alpharetta means that it is wetter than most places in Georgia.


May is the wettest month in Pittsburgh with 3.9 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 38.3 inches in Pittsburgh means that it is one of the driest places in Pennsylvania.

January is the rainiest month in Alpharetta with 10.5 days of rain, and October is the driest month with only 6.8 rainy days. There are 108.0 rainy days annually in Alpharetta, which is rainier than most places in Georgia. The rainiest season is Spring when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

January is the rainiest month in Pittsburgh with 14.5 days of rain, and August is the driest month with only 9.1 rainy days. There are 140.4 rainy days annually in Pittsburgh, which is about average compared to other places in Pennsylvania. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

An annual snowfall of 1.6 inches in Alpharetta means that it is snowier than most places in Georgia.

An annual snowfall of 27.7 inches in Pittsburgh means that it is less snowy than most places in Pennsylvania.

January is the snowiest month in Alpharetta with 0.7 inches of snow, and 1 month of the year have significant snowfall.

January is the snowiest month in Pittsburgh with 9.1 inches of snow, and 6 months of the year have significant snowfall.