Chatham County, GA Climate


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United States / Georgia / / Chatham County / Cities / Zip Codes
Chatham County, GA has a humid subtropical climate, meaning that it typically experiences hot summers and mild winters. The average summer temperature is 80°F while the average winter temperature is around 55°F. Precipitation is fairly common year-round, with an average of approximately 50 inches per year. Summer months tend to be more humid than winter months, with July being the most humid month in the county on average. Overall, temperatures are quite pleasant throughout the year in Chatham County, making it a great place for people looking to enjoy outdoor activities.

Chatham County, Georgia gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chatham County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 214 sunny days per year in Chatham County. The US average is 205 sunny days.

Chatham County gets some kind of precipitation, on average, 103 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 91 degrees
Winter Low: the January low is 39
Rain: averages 49 inches of rain a year
Snow: averages 0 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Chatham County is 7.2 (10=best), which means it is less comfortable than most places in Georgia.

3.8 Summer - 7.9 Winter
October, April and May are the most pleasant months in Chatham County, while July and August are the least comfortable months.

  ClimateChatham, GeorgiaUnited States
  49.0 in.38.1 in.
  0.2 in.27.8 in.
  103.3 days106.2 days
  214 days205 days
  91.3°85.8°
  39.2°21.7°
  7.27
  54.3
  10 ft.2443 ft.
Climate
YOU SHOULD KNOW

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 Chatham County with an average high temperature of 91.3°, which ranks it as about average compared to other places in Georgia. In Chatham County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chatham County are October, April and May.
In Chatham County, there are 58.0 days annually when the high temperature is over 90°, which is about average compared to other places in Georgia.
January has the coldest nighttime temperatures for Chatham County with an average of 39.2°. This is one of the warmest places in Georgia.
In Chatham County, there are 19.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Georgia.
In Chatham County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Georgia.
Humidity in Chatham County can be stifling in the summer, but pleasant for most of the year. The most uncomfortably humid months are August, July and June. The humid season runs from May-September and the least humid months are October-April.
August is the wettest month in Chatham County with 6.8 inches of rain, and the driest month is November with 2.6 inches. The wettest season is Autumn with 37% of yearly precipitation and 19% occurs in Summer, which is the driest season. The annual rainfall of 49.0 inches in Chatham County means that it is about average compared to other places in Georgia.
August is the rainiest month in Chatham County with 12.5 days of rain, and May is the driest month with only 6.4 rainy days. There are 103.3 rainy days annually in Chatham County, which is rainier than most places in Georgia. The rainiest season is Autumn when it rains 34% of the time and the driest is Summer with only a 20% chance of a rainy day.
An annual snowfall of 0.2 inches in Chatham County means that it is about average compared to other places in Georgia. December is the snowiest month in Chatham County with 0.1 inches of snow, and no months of the year have significant snowfall.
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