Roswell, GA 

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Climate in Roswell, GA

Roswell, GA has a humid subtropical climate with hot summers and mild winters. It experiences four distinct seasons throughout the year. As the city is located in the southern part of the United States, it typically gets more sunshine than northern regions. Rainfall is abundant throughout the year, usually in the form of thunderstorms during summer months and snowfall on occasion in winter months. The average high temperature for July is around 90°F (32°C) while the average low temperature for January is around 34°F (1°C). The city experience relatively low humidity which makes it comfortable to enjoy outdoor activities all year round.

Roswell, Georgia gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Roswell averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 221 sunny days per year in Roswell. The US average is 205 sunny days.

Roswell gets some kind of precipitation, on average, 107 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 30
Rain: averages 53 inches of rain a year
Snow: averages 2 inches of snow a year


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

7.2 / 6.7

Summer   /   Winter
May, September and October are the most pleasant months in Roswell, while January and December are the least comfortable months.

Climate Averages
  Roswell, GeorgiaUnited States
  53.2 in.38.1 in.
  1.6 in.27.8 in.
  106.9 days106.2 days
  221 days205 days
  1083 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Roswell with an average high temperature of 87.1°, which ranks it as one of the coolest places in Georgia. In Roswell, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Roswell are May, September and April.

In Roswell, there are 23.0 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

January has the coldest nighttime temperatures for Roswell with an average of 30.4°. This is colder than most places in Georgia.

In Roswell, there are 60.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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

Humidity in Roswell can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

March is the wettest month in Roswell with 5.1 inches of rain, and the driest month is April 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 53.2 inches in Roswell means that it is wetter than most places in Georgia.

January is the rainiest month in Roswell with 10.4 days of rain, and October is the driest month with only 6.7 rainy days. There are 106.9 rainy days annually in Roswell, 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 1.6 inches in Roswell means that it is snowier than most places in Georgia. January is the snowiest month in Roswell with 0.7 inches of snow, and 1 month of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Roswell    16 Reviews
    Review Rose - 9/25/2019
    I just moved here from out of state was excited because the area is beautiful, beautiful homes, parks, and schools have great ratings. Everyone seems nice when we are... Read More

    Start Your Review of Roswell

    Not my style - 11/8/2017
    While the public schools are good, they are constantly being under-funded and classroom sizes are increasing. You can get a decent home for the money here, but the area... Read More

    Great community feel - 8/21/2017
    We recently relocated (cross country) to Roswell, GA, and our family could not have found a better place. This is a family friendly town, with an abundance of activities... Read More

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