2025 Compare Climate & Weather:
Dunwoody, GA vs Suwanee, GA

Highlights

On average, there are 220 sunny days per year in Suwanee. Dunwoody averages 221 sunny days per year. The US average is 205 sunny days.

Suwanee, Georgia gets 54 inches of rain, on average, per year. Dunwoody, Georgia gets 53.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Suwanee averages 1.2 inches of snow per year. Dunwoody averages 1.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Suwanee, Georgia
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 30
Rain: averages 54 inches of rain a year
Snow: averages 1.2 inches of snow a year

Dunwoody, Georgia
Summer High: the July high is around 87 degrees
Winter Low: the January low is 30.7
Rain: averages 53.5 inches of rain a year
Snow: averages 1.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Suwanee is 7.5 (10=best), which means it is more comfortable than most places in Georgia.

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

Today's Weather - Dunwoody, GA

68°F

Today's Weather - Suwanee, GA

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Dunwoody / Suwanee

July is the hottest month for Dunwoody with an average high temperature of 87.0°, which ranks it as one of the coolest places in Georgia. In Dunwoody, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dunwoody are May, September and April.

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

January has the coldest nighttime temperatures for Dunwoody with an average of 30.7°. This is colder than most places in Georgia.

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

In Dunwoody, there are 23.1 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

In Suwanee, there are 28.0 days annually when the high temperature is over 90°, which is cooler than most places in Georgia.

In Dunwoody, there are 58.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

In Suwanee, there are 64.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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

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

March is the wettest month in Dunwoody with 5.1 inches of rain, and the driest month is April with 3.7 inches. The wettest season is Spring with 26% of yearly precipitation and 24% occurs in Winter, which is the driest season. The annual rainfall of 53.5 inches in Dunwoody means that it is wetter than most places in Georgia.


March is the wettest month in Suwanee with 5.1 inches of rain, and the driest month is October with 3.7 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 54.0 inches in Suwanee means that it is one of the wettest places in Georgia.

July is the rainiest month in Dunwoody with 10.4 days of rain, and October is the driest month with only 6.7 rainy days. There are 105.9 rainy days annually in Dunwoody, which is rainier than most places in Georgia. The rainiest season is Spring when it rains 27% of the time and the driest is Winter with only a 20% chance of a rainy day.

January is the rainiest month in Suwanee with 10.5 days of rain, and October is the driest month with only 6.9 rainy days. There are 108.6 rainy days annually in Suwanee, 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.

An annual snowfall of 1.1 inches in Dunwoody means that it is snowier than most places in Georgia.

An annual snowfall of 1.2 inches in Suwanee means that it is snowier than most places in Georgia.

January is the snowiest month in Dunwoody with 0.4 inches of snow, and no months of the year have significant snowfall.

January is the snowiest month in Suwanee with 0.5 inches of snow, and 1 month of the year have significant snowfall.