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Contents
- The climate of Atlanta
- The Best Time to Visit Atlanta
- The Worst Time to Visit Atlanta
- Spring Weather in Atlanta
- Summer Weather in Atlanta
- Autumn Weather in Atlanta
- Winter Weather in Atlanta
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Beautiful sky and cityscape of Atlanta in Georgia, USA
The climate of Atlanta
Atlanta, Georgia, USA, falls under the Koppen Climate Classification Cfa, denoting a Humid Subtropical climate with no dry season. This geographical location greets residents and visitors with mild winters and hot humid summers. In the subtropical setting of Atlanta, weather variations are a primary aspect of day-to-day life.
An analysis of the Atlanta climate data uncovers an enhancing pattern. Temperatures see a surge from a comfortable 50.5°F (10.3°C) in January to a peak of 90.7°F (32.6°C) in July. The winter months of December to February experience the lowest temperatures, hovering between 34.9°F (1.6°C) and 38.7°F (3.7°C), while the summer months of June to August bask in the highest temperatures from 70.7°F (21.5°C) to 71.6°F (22°C).
In the realm of precipitation, Atlanta experiences her share of rainfall, with an annual average of around 1.07" (27mm) spread across an average of 12.02 days each month. July and August experience the highest precipitation levels from 2.05" (52mm) to 2.32" (59mm) spread over about 17 days, while September sees the least amount at around 0.55" (14mm).
An analysis of the Atlanta climate data uncovers an enhancing pattern. Temperatures see a surge from a comfortable 50.5°F (10.3°C) in January to a peak of 90.7°F (32.6°C) in July. The winter months of December to February experience the lowest temperatures, hovering between 34.9°F (1.6°C) and 38.7°F (3.7°C), while the summer months of June to August bask in the highest temperatures from 70.7°F (21.5°C) to 71.6°F (22°C).
In the realm of precipitation, Atlanta experiences her share of rainfall, with an annual average of around 1.07" (27mm) spread across an average of 12.02 days each month. July and August experience the highest precipitation levels from 2.05" (52mm) to 2.32" (59mm) spread over about 17 days, while September sees the least amount at around 0.55" (14mm).
The Best Time to Visit Atlanta
For optimal weather conditions, the best time to visit Atlanta comes during the spring and the fall. During these months, visitors get to enjoy mild temperatures and lesser precipitation compared to the summer months. The spring months of March to May present temperatures from 63.1°F (17.3°C) to 81°F (27.2°C) and rainfall averages of approximately 1.11" (28mm). The fall months, on the other hand, range from 53.8°F (12.1°C) to 84.2°F (29°C) in temperature and around 0.76" (19mm) in rainfall, making it an ideal time for outdoor activities.
The Worst Time to Visit Atlanta
Those not in favor of humid climates might want to avoid visiting Atlanta during the peak summer months of June through August. During this period, the city experiences its highest temperatures ranging from 87.8°F (31°C) to 90.7°F (32.6°C). The summer months also witness the most considerable amount of rainfall with an average of around 1.9" (48mm) spread over 15.53 days each month, making it less appealing for outdoor exploration.
Spring Weather in Atlanta
Spring in Atlanta is characterized by a steady rise in temperatures from an average low of 45.5°F (7.5°C) in March to an average high of 81°F (27.2°C) by May. Rainfall in spring averages approximately 1.08" (27mm) over about 11.63 days each month. Spring days in Atlanta are also lengthier, gaining over 2 hours of daylight from the start to the end of the season, increasing from an average of 12 hours in March to about 14 hours in May.
Summer Weather in Atlanta
Summers in Atlanta are hot and humid accompanied by the highest rainfall of the year. Temperatures during these months range from 87.8°F (31°C) to 90.7°F (32.6°C), promising abundant sunshine for nearly 14 hours a day. July and August record the highest rainfall from 2.05" (52mm) to 2.32" (59mm) dispersed over 16.5 days each month, potentially resulting in high humidity levels.
Autumn Weather in Atlanta
Autumn in Atlanta heralds a welcome change as temperatures begin to fall from an average high of 84.2°F (29°C) in September to an average of 53.8°F (12.1°C) by November. Rainfall patterns also mirror temperature patterns, descending from about 0.79" (20mm) over 7.6 days in October to 0.94" (24mm) over 6.9 days in November. The tempestuous summer weather gives way to more comfortable conditions, inviting locals and visitors alike to enjoy the beautiful fall foliage outdoors.
Winter Weather in Atlanta
Winter weather in Atlanta is relatively mild compared to other parts of the United States. Average high temperatures fluctuate from 50.5°F (10.3°C) in January to 53.8°F (12.1°C) in December, whereas lows range from 34.9°F (1.6°C) to 39.7°F (4.3°C). Although snowfall is relatively scarce with just 0.12" (3mm) in January and December, many winter days are overcast, with around 44% of days experiencing cloudy conditions. Winter also sees the shortest days of the year, with an average of 10 hours of daylight in December and January.
Weather in January
January's weather in Atlanta, Georgia commences the year with low temperatures hence, the need for a heavy coat. Exposed to highs of 50.5°F (10.3°C) and lows of 34.9°F (1.6°C), wintry weather persists. In comparison to December, January exhibits a slight uptick in temperature and daylight hours. Weather in January »
Weather in February
As the last winter month, February hosts a slight improvement in temperatures for loved ones celebrating Valentine’s Day. An uptick in temperature is noticeable, with a progression from 50.5°F (10.3°C) in January to 55°F (12.8°C). Weather in February »
Weather in March
March presents the initial bearing of spring weather with an enhancement in temperature and daylight hours. Compared to February, there's a substantial temperature increment to 63.1°F (17.3°C). Though rainfall slightly drops, carrying an umbrella becomes essential on some days. Weather in March »
Weather in April
April carries with it an outset of warmer days, ushering individuals towards outdoor activities. A noticeable rise in temperature to 72.9°F (22.7°C) is made when contrasted with March's conditions. There's a noticeable lengthening of the days, providing more time to partake in outdoor events. Weather in April »
Weather in May
May marks the onset of cumulative heat as spring flourishes wholly in Atlanta. Compared to April, there is an increase in temperature, with highs recorded at 81°F (27.2°C). In May, temperatures rise delightfully, offering excellent conditions for Memorial Day celebrations. Weather in May »
Weather in June
June invites residents and tourists to bask in the full swing of summer, offering long daylight hours. There is a sudden temperature spike compared to May, recording highs at 87.8°F (31°C). Longer days and pleasant evenings inspire outdoor celebrations, picnics, and alfresco dining. Weather in June »
Weather in July
As the mid-point of the year, July brings the city’s warmest weather, with highs peaking at 90.7°F (32.6°C), making it the hottest month. Even with an increase in temperature from June, Atlanta's residents still find respite in the town's numerous shaded parks. Weather in July »
Weather in August
August characterizes the latter phases of summer in Atlanta, experiencing a minor dip in temperature compared to July. Although the extreme temperature in August lowers slightly to 89.2°F (31.8°C), heat prevails, offering excellent swimming weather. Weather in August »
Weather in September
September brings about a semblance of relief from summer's intense heat, marking the arrival of early autumn. In light of the drop in temperature from August, highs reach 84.2°F (29°C), offering more cooling relief. Gradual changes in the environment begin to unearth, with shorter days and falling leaves. Weather in September »
Weather in October
October in Atlanta, Georgia welcomes autumn in full swing, accompanied by a substantial dip in temperature making fall jackets a regular in wardrobes. Compared to September's climatic conditions, the highest temperature drops to a comfortable 73.2°F (22.9°C). Weather in October »
Weather in November
November transitions Atlantans to cooler temperatures, encasing the city in late autumn hues. Contrasting the prior month’s weather, November records a stark decrease in temperature, with highs around 61.3°F (16.3°C). This month guarantees more indoor activities, owing to the steady decrease in temperature and daylight hours. Weather in November »
Weather in December
December rings in the winter season, with plummeting temperatures compelling locals and visitors to don scarves and gloves. From the temperatures spotted in November, there’s a drop in highs to an average of 53.8°F (12.1°C). Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Atlanta?
The coldest period in Atlanta, Georgia, tends to be January, when average temperatures fluctuate between a high of 50.5°F (10.3°C) and a low of 34.9°F (1.6°C).
How many days does it rain in Atlanta?
In Atlanta, Georgia, during the entire year, the rain falls for 134.6 days and collects up to 14.72" (374mm) of precipitation.
When does it snow in Atlanta?
Months with snowfall in Atlanta, Georgia, are January through March and December.
How many days does it snow in Atlanta?
Throughout the year, in Atlanta, there are 2.3 snowfall days, and 0.59" (15mm) of snow is accumulated.
What are the months with the lowest UV index in Atlanta?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Atlanta.
What is the snowiest month in Atlanta?
February is the month with the most snowfall. Snow falls for 0.9 days and accumulates 0.2" (5mm) of snow.
When is Daylight Saving Time (DST) in Atlanta?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Atlanta?
In Atlanta, Georgia, snow does not fall in April through November.
When are the longest days in Atlanta?
The month with the longest days in Atlanta is June, with an average of 14h and 24min of daylight.
What is the month with the most sunshine in Atlanta?
The months with the most sunshine in Atlanta are June and July, with an average of 10.7h of sunshine.
What is the warmest month in Atlanta?
The warmest temperatures in Atlanta occur during July, when averages reach a peak of 90.7°F (32.6°C) and a low of 71.6°F (22°C).
What is the least humid month in Atlanta?
The months with the lowest humidity in Atlanta, Georgia, are July and August, with an average relative humidity of 69%.
What is the rainiest month in Atlanta?
August is the month with the most rainfall in Atlanta. Rain falls for 17.1 days and accumulates 2.32" (59mm) of precipitation.
When is the highest UV index in Atlanta?
With an average maximum UV index of 7, August is the month with the highest UV index.
What is the driest month in Atlanta?
September is the month with the least rainfall in Atlanta, Georgia. Rain falls for 8.6 days and accumulates 0.55" (14mm) of precipitation.
What is the most humid month in Atlanta?
The most humid month in Atlanta is December, with an average relative humidity of 77%.
What is the month with the shortest days in Atlanta?
With an average of 10h and 0min of daylight, December has the shortest days of the year in Atlanta.
What is the month with the least sunshine in Atlanta?
With an average of 5.1h of sunshine, December has the least sunshine of the year.
Average temperature
Atlanta, GA
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (50.5°F).
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure
Atlanta, GA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed
Atlanta, GA
- Average wind speed in January:
8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Atlanta, GA
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall
Atlanta, GA
- Average rainfall in January:
1.02" - Average rainfall in February:
1.18" - Average rainfall in March:
0.87" - Average rainfall in April:
1.22" - Average rainfall in May:
1.14" - Average rainfall in June:
1.34"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.32" - Average rainfall in September:
0.55" - Average rainfall in October:
0.79" - Average rainfall in November:
0.94" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is August (2.32").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days
Atlanta, GA
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (6.9 days).
Average snowfall
Atlanta, GA
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Atlanta, GA
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Atlanta, GA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Atlanta, GA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
17 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
21 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Atlanta, GA
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Atlanta, GA
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Atlanta, GA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Atlanta, Georgia, USA
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