Climate and monthly weather forecast
Roswell, GA

A breathtaking nature scene in the Blue Wall spot with the Old Mills State Park in Roswell, Georgia
A breathtaking nature scene in the Blue Wall spot with the Old Mills State Park in Roswell, Georgia

Weather in January

January, the same as December, in Roswell, Georgia, is another chilly winter month, with an average temperature varying between 34.2°F (1.2°C) and 49.3°F (9.6°C). January is the coldest month, with an average high-temperature of 49.3°F (9.6°C) and an average low-temperature of 34.2°F (1.2°C). Weather in January »

Weather in February

The last month of the winter, February, is a fresh month in Roswell, Georgia, with an average temperature fluctuating between 37.9°F (3.3°C) and 54.5°F (12.5°C). In Roswell, the average high-temperature in February is practically the same as in January - a fresh 54.5°F (12.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Roswell, Georgia, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 44.8°F (7.1°C). In March, the average high-temperature slightly increases from a fresh 54.5°F (12.5°C) in February to an enjoyable 62.2°F (16.8°C). Weather in March »

Weather in April

April is an agreeable spring month in Roswell, Georgia, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 72°F (22.2°C). In Roswell, the average high-temperature in April rises from an enjoyable 62.2°F (16.8°C) in March to a pleasant 72°F (22.2°C). Weather in April »

Weather in May

May, the last month of the spring in Roswell, is a moderately hot month, with an average temperature ranging between min 60.6°F (15.9°C) and max 80.2°F (26.8°C). In Roswell, Georgia, the average high-temperature in May marginally rises from an agreeable 72°F (22.2°C) in April to a moderately hot 80.2°F (26.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Roswell, Georgia, with an average temperature fluctuating between 87.4°F (30.8°C) and 67.6°F (19.8°C). In June, the average high-temperature slightly increases from a moderately hot 80.2°F (26.8°C) in May to a hot 87.4°F (30.8°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Roswell, Georgia, with an average temperature fluctuating between 90.3°F (32.4°C) and 71.2°F (21.8°C). With an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 71.2°F (21.8°C), July is the warmest month. In July, the average heat index is calculated to be an extremely hot 105.4°F (40.8°C). Weather in July »

Weather in August

August, the last month of the summer in Roswell, is also a hot month, with an average temperature varying between 70.3°F (21.3°C) and 89.4°F (31.9°C). In August, the average high-temperature is relatively the same as in July - a still hot 89.4°F (31.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Roswell, Georgia, with an average temperature fluctuating between 83.8°F (28.8°C) and 65.3°F (18.5°C). In September, the average high-temperature marginally drops from a tropical 89.4°F (31.9°C) in August to a moderately hot 83.8°F (28.8°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Roswell, Georgia, with an average temperature varying between 53.2°F (11.8°C) and 72.3°F (22.4°C). In Roswell, Georgia, the average high-temperature in October drops from a moderately hot 83.8°F (28.8°C) in September to an agreeable 72.3°F (22.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Roswell, Georgia, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 43.5°F (6.4°C). In November, the average high-temperature decreases from a pleasant 72.3°F (22.4°C) in October to an enjoyable 60.8°F (16°C). Weather in November »

Weather in December

December, the first month of the winter in Roswell, is also a fresh month, with temperature in the range of an average high of 53.4°F (11.9°C) and an average low of 39°F (3.9°C). In December, the average high-temperature slightly decreases from an enjoyable 60.8°F (16°C) in November to a fresh 53.4°F (11.9°C). Weather in December »
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FAQ

What is the coldest month in Roswell?

January is the coldest month, with an average high-temperature of 49.3°F (9.6°C) and an average low-temperature of 34.2°F (1.2°C).

How much does it rain in Roswell?

In Roswell, during the entire year, the rain falls for 183.1 days and collects up to 45.12" (1146mm) of precipitation.

When does it snow in Roswell?

January through March, November and December are months with snowfall in Roswell.

When does it snow the most in Roswell?

January is the month with the most snowfall. Snow falls for 1.5 days and accumulates 1.18" (30mm) of snow.

How much does it snow in Roswell?

Throughout the year, in Roswell, there are 4.2 snowfall days, and 2.95" (75mm) of snow is accumulated.

When is Daylight Saving Time (DST) in Roswell?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Roswell, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Roswell?

April through October are months without snowfall.

What is the month with the highest UV index in Roswell?

The months with the highest UV index in Roswell, Georgia, are May through August, with an average maximum UV index of 6.

When are the longest days in Roswell?

With an average of 14h and 23min of daylight, June has the longest days of the year in Roswell.

What is the warmest month in Roswell?

The warmest month is July, with an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 71.2°F (21.8°C).

What are the least humid months in Roswell?

The months with the lowest humidity in Roswell are July and August, with an average relative humidity of 68%.

What month has the most sunshine in Roswell?

The month with the most sunshine in Roswell is July, with an average of 10.5h of sunshine.

What is the wettest month in Roswell?

The month with the most rainfall is August, when the rain falls for 20.3 days and typically aggregates up to 5.55" (141mm) of precipitation.

What is the driest month in Roswell?

The month with the least rainfall in Roswell is October, when the rain falls for 10.3 days and typically collects 2.36" (60mm) of precipitation.

What is the most humid month in Roswell?

December is the most humid month in Roswell, with an average relative humidity of 77%.

What is the month with the shortest days in Roswell?

With an average of 9h and 56min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Roswell?

December has the least sunshine of the year in Roswell, Georgia, with an average of 5h of sunshine.

What is the month with the lowest UV index in Roswell?

December is the month with the lowest UV index, with an average maximum UV index of 2.

Average temperature
Roswell, GA

Average temperature - Roswell, GA

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.3°F).

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

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Average pressure
Roswell, GA

Average pressure - Roswell, GA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed
Roswell, GA

Average wind speed - Roswell, GA

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity
Roswell, GA

Average humidity - Roswell, GA

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (68%).

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Average rainfall
Roswell, GA

Average rainfall - Roswell, GA

The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is October (2.36").

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Average rainfall days
Roswell, GA

Average rainfall days - Roswell, GA

The month with the highest number of rainy days is July (20.8 days).
The months with the least rainy days are October and November (10.3 days).

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Average snowfall
Roswell, GA

Average snowfall - Roswell, GA

The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Roswell, GA

Average snowfall days - Roswell, GA

The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Roswell, GA

Average daylight / Average sunshine - Roswell, GA

The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days
Roswell, GA

Average sunshine days - Roswell, GA

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (8 days).

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Average visibility
Roswell, GA

Average visibility - Roswell, 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).

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