2025 Compare Climate & Weather:
Lafayette, LA vs Alpharetta, GA

Highlights

On average, there are 218 sunny days per year in Alpharetta. Lafayette averages 217 sunny days per year. The US average is 205 sunny days.

Alpharetta, Georgia gets 53.4 inches of rain, on average, per year. Lafayette, Louisiana gets 61.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Alpharetta averages 1.6 inches of snow per year. Lafayette averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Lafayette, Louisiana
Summer High: the July high is around 91.1 degrees
Winter Low: the January low is 41.6
Rain: averages 61.6 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Lafayette is 6.8 (10=best), which means it is less comfortable than most places in Louisiana.

Today's Weather - Lafayette, LA

69°F

Today's Weather - Alpharetta, GA

63°F

Average Monthly High / Low (°F)

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

August is the hottest month for Lafayette with an average high temperature of 91.7°, which ranks it as cooler than most places in Louisiana. In Lafayette, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lafayette are April, October and November.

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.

January has the coldest nighttime temperatures for Lafayette with an average of 41.6°. This is warmer than most places in Louisiana.

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

In Lafayette, there are 73.4 days annually when the high temperature is over 90°, which is cooler than most places in Louisiana.

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

In Lafayette, there are 13.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Louisiana.

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

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.

June is the wettest month in Lafayette with 6.7 inches of rain, and the driest month is March with 3.9 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Summer, which is the driest season. The annual rainfall of 61.6 inches in Lafayette means that it is about average compared to other places in Louisiana.


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.

July is the rainiest month in Lafayette with 12.7 days of rain, and April is the driest month with only 6.4 rainy days. There are 108.0 rainy days annually in Lafayette, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.

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.

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

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

Any measurable snowfall is a rare occurance in Lafayette.

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