Marietta
Georgia, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Marietta, GA

January, like December, is a frosty winter month in Marietta, Georgia, with average temperature varying between 49.6°F (9.8°C) and 34.2°F (1.2°C). January is the coldest month, with an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.2°F (1.2°C). Weather in January »

The last month of the winter, February, is a cool month in Marietta, Georgia, with average temperature varying between 54.9°F (12.7°C) and 38.1°F (3.4°C). In Marietta, the average high-temperature in February is relatively the same as in January - a cool 54.9°F (12.7°C). Weather in February »

The first month of the spring, March, is a comfortable month in Marietta, Georgia, with average temperature ranging between max 62.6°F (17°C) and min 45°F (7.2°C). In Marietta, the average high-temperature slightly increases, from a fresh 54.9°F (12.7°C) in February, to a comfortable 62.6°F (17°C). Weather in March »

April is an agreeable spring month in Marietta, Georgia, with average temperature ranging between max 72.5°F (22.5°C) and min 53.1°F (11.7°C). In April, the average high-temperature rises, from a comfortable 62.6°F (17°C) in March, to a pleasant 72.5°F (22.5°C). Weather in April »

May, the last month of the spring, in Marietta, is a moderately hot month, with temperature in the range of an average high of 80.8°F (27.1°C) and an average low of 61.2°F (16.2°C). In Marietta, Georgia, the average high-temperature in May slightly increases, from an agreeable 72.5°F (22.5°C) in April, to a moderately hot 80.8°F (27.1°C). Weather in May »

June, the first month of the summer, in Marietta, is a tropical month, with average temperature varying between 87.4°F (30.8°C) and 67.8°F (19.9°C). In Marietta, the average high-temperature slightly increases, from a moderately hot 80.8°F (27.1°C) in May, to a tropical 87.4°F (30.8°C). Weather in June »

July, the same as June, in Marietta, Georgia, is a hot summer month, with average temperature ranging between max 90.5°F (32.5°C) and min 71.4°F (21.9°C). The warmest month is July, with an average high-temperature of 90.5°F (32.5°C) and an average low-temperature of 71.4°F (21.9°C). In July, the average heat index is estimated at a scorching 106.7°F (41.5°C). Weather in July »

The last month of the summer, August, is another hot month in Marietta, Georgia, with temperature in the range of an average low of 70.3°F (21.3°C) and an average high of 89.4°F (31.9°C). In August, the average high-temperature is practically the same as in July - a still hot 89.4°F (31.9°C). Weather in August »

September, the first month of the autumn, in Marietta, is also a moderately hot month, with average temperature varying between 65.5°F (18.6°C) and 84°F (28.9°C). In September, the average high-temperature slightly decreases, from a hot 89.4°F (31.9°C) in August, to a warm 84°F (28.9°C). Weather in September »

October, like September, is an agreeable autumn month in Marietta, Georgia, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 53.6°F (12°C). In Marietta, the average high-temperature drops, from a moderately hot 84°F (28.9°C) in September, to a pleasant 72.7°F (22.6°C). Weather in October »

The last month of the autumn, November, is another comfortable month in Marietta, Georgia, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 61°F (16.1°C). In Marietta, the average high-temperature in November drops, from a pleasant 72.7°F (22.6°C) in October, to a comfortable 61°F (16.1°C). Weather in November »

December, the first month of the winter, in Marietta, is still a cool month, with average temperature fluctuating between 39°F (3.9°C) and 53.6°F (12°C). In December, the average high-temperature slightly decreases, from a comfortable 61°F (16.1°C) in November, to a cool 53.6°F (12°C). Weather in December »

What is the coldest month in Marietta?

The coldest month in Marietta is January, with an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.2°F (1.2°C).

How many days does it rain in Marietta?

In Marietta, during the entire year, the rain falls for 177.1 days and collects up to 41.93" (1065mm) of precipitation.

When does it snow in Marietta?

Months with snowfall in Marietta, Georgia, are January through March and December.

How many days does it snow in Marietta?

Throughout the year, there are 4.5 snowfall days, and 2.6" (66mm) of snow is accumulated.

What is the snowiest month in Marietta?

The month with the most snowfall in Marietta is January when snow falls for 1.6 days and typically aggregates up to 0.98" (25mm) of snow.

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

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Marietta.

When it does not snow in Marietta?

In Marietta snow does not fall in April through November.

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

Months with the highest UV index in Marietta are May through August, with an average maximum UV index of 6.

When are the longest days in Marietta?

With an average of 14.4h of daylight, June has the longest days of the year in Marietta, Georgia.

What is the warmest month in Marietta?

With an average high-temperature of 90.5°F (32.5°C) and an average low-temperature of 71.4°F (21.9°C), July is the warmest month.

What month has the most sunshine in Marietta?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

What is the least humid month in Marietta?

August is the least humid month in Marietta, Georgia, with an average relative humidity of 68%.

What is the rainiest month in Marietta?

August is the month with the most rainfall in Marietta. Rain falls for 18.8 days and accumulates 4.88" (124mm) of precipitation.

What is the driest month in Marietta?

October is the month with the least rainfall. Rain falls for 10.2 days and accumulates 2.24" (57mm) of precipitation.

What is the most humid month in Marietta?

With an average relative humidity of 78%, December is the most humid month in Marietta, Georgia.

What is the month with the shortest days in Marietta?

With an average of 9.9h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Marietta?

With an average of 5h of sunshine, December has the least sunshine of the year in Marietta, Georgia.
Average temperature - Marietta, GA
Average rainfall - Marietta, GA

The wettest month (with the highest rainfall) is August (4.88").
The driest month (with the lowest rainfall) is October (2.24").

Average rainfall days - Marietta, GA

The month with the highest number of rainy days is July (19.6 days).
The month with the lowest number of rainy days is November (9.5 days).

Average snowfall - Marietta, GA

The month with the highest snowfall is January (0.98").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days - Marietta, GA

The month with the highest number of snowfall days is January (1.6 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Marietta, GA
Average UV index - Marietta, GA