Climate and monthly weather forecast
Marietta, NC

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Weather in January

January, like December, in Marietta, North Carolina, is a cool winter month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 36.7°F (2.6°C). January is the coldest month of the year, registering average temperatures as high as 52.3°F (11.3°C) and as low as 36.7°F (2.6°C). Weather in January »

Weather in February

February, the last month of the winter in Marietta, is a refreshing month, with an average temperature ranging between min 39°F (3.9°C) and max 56.8°F (13.8°C). Marietta's entry into February measures an average high-temperature of a refreshing 56.8°F (13.8°C), closely parallel to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Marietta, North Carolina, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 45.3°F (7.4°C). Marietta's transition into March is marked by a minor temperature shift, moving from a moderate 56.8°F (13.8°C) in February to a comfortable 63.1°F (17.3°C). Weather in March »

Weather in April

April is an agreeable spring month in Marietta, North Carolina, with an average temperature ranging between max 72.1°F (22.3°C) and min 54.1°F (12.3°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a refreshing 63.1°F (17.3°C) in March to a pleasant 72.1°F (22.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Marietta, North Carolina, with an average temperature fluctuating between 62.6°F (17°C) and 79.7°F (26.5°C). With the onset of May, Marietta experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 72.1°F (22.3°C) in April to a moderately hot 79.7°F (26.5°C). Weather in May »

Weather in June

June, the first month of the summer in Marietta, is a tropical month, with an average temperature varying between 69.4°F (20.8°C) and 86.4°F (30.2°C). With the onset of June, Marietta's weather sees a minor temperature rise, transitioning from a moderately hot 79.7°F (26.5°C) in May to a hot 86.4°F (30.2°C). Weather in June »

Weather in July

July, the same as June, in Marietta, North Carolina, is another tropical summer month, with an average temperature fluctuating between 72.1°F (22.3°C) and 89.4°F (31.9°C). The temperatures reach their highest averages in July, with highs of 89.4°F (31.9°C) and lows of 72.1°F (22.3°C). For July, the heat index is estimated at a blisteringly hot 109.4°F (43°C). Weather in July »

Weather in August

August, the last month of the summer in Marietta, is another tropical month, with an average temperature fluctuating between 71.4°F (21.9°C) and 87.8°F (31°C). The transition from July to August sees an average high-temperature of a still hot 87.8°F (31°C), indicating a minor variance from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in Marietta, is still a warm month, with an average temperature fluctuating between 83.3°F (28.5°C) and 66.4°F (19.1°C). Marietta sees the arrival of September with an average high-temperature of a warm 83.3°F (28.5°C), indicating a subtle variation from August. Weather in September »

Weather in October

October, like September, in Marietta, North Carolina, is a moderately hot autumn month, with an average temperature ranging between max 73.4°F (23°C) and min 55.6°F (13.1°C). October indicates a shift in the average high-temperature, from September's moderately hot 83.3°F (28.5°C) to a still warm 73.4°F (23°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Marietta, North Carolina, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 62.2°F (16.8°C). Onset of November comes with a temperature decline, the average high falling from a warm 73.4°F (23°C) in October to a refreshing 62.2°F (16.8°C). Weather in November »

Weather in December

December, the first month of the winter in Marietta, is also a moderate month, with an average temperature fluctuating between 41°F (5°C) and 56.5°F (13.6°C). Marietta's progression into December involves a minor drop in the average high-temperature, slightly receding from an enjoyable 62.2°F (16.8°C) in November to a still refreshing 56.5°F (13.6°C). Weather in December »
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Frequently asked questions

What are the coldest months in Marietta?

In Marietta, January records the average lowest temperatures, peaking at 52.3°F (11.3°C) and reaching a low of 36.7°F (2.6°C).

What is the least humid month in Marietta?

The least humid month in Marietta is January, with an average relative humidity of 73%.

What is the driest month in Marietta?

The month with the least rainfall is January, when the rain falls for 11.1 days and typically collects 1.5" (38mm) of precipitation.

How many days does it rain in Marietta?

Throughout the year, in Marietta, North Carolina, there are 167.8 rainfall days, and 32.68" (830mm) of precipitation is accumulated.

When does it snow in Marietta?

January through March and December are months with snowfall.

How many days does it snow in Marietta?

In Marietta, during the entire year, snow falls for 1.4 days and aggregates up to 0.83" (21mm) of snow.

What is the month with the least sunshine in Marietta?

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Marietta, North Carolina.

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

The month with the lowest UV index in Marietta is January, with an average maximum UV index of 2.

When does it snow the most in Marietta?

February is the month with the most snowfall in Marietta. Snow falls for 0.6 days and accumulates 0.39" (10mm) of snow.

When is Daylight Saving Time (DST) in Marietta?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Marietta, North Carolina, 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 Marietta?

April through November are months without snowfall.

What are the most humid months in Marietta?

The months with the highest humidity in Marietta are May, June, August and September, with an average relative humidity of 78%.

When are the longest days in Marietta?

June has the longest days of the year, with an average of 14h and 24min of daylight.

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

The months with the highest UV index in Marietta are June and July, with an average maximum UV index of 7.

What part of the year is the hottest in Marietta?

With average high temperatures of 89.4°F (31.9°C) and lows of 72.1°F (22.3°C), July is the warmest month.

What month has the most sunshine in Marietta?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

What is the wettest month in Marietta?

August is the month with the most rainfall in Marietta. Rain falls for 18.7 days and accumulates 3.74" (95mm) of precipitation.

What is the month with the shortest days in Marietta?

December has the shortest days of the year in Marietta, with an average of 9h and 54min of daylight.

Average temperature
Marietta, NC

Average temperature - Marietta, NC

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (52.3°F).

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

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Average pressure
Marietta, NC

Average pressure - Marietta, NC

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed
Marietta, NC

Average wind speed - Marietta, NC

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity
Marietta, NC

Average humidity - Marietta, NC

The months with the highest relative humidity are May, June, August and September (78%).
The month with the lowest relative humidity is January (73%).

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Average rainfall
Marietta, NC

Average rainfall - Marietta, NC

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days
Marietta, NC

Average rainfall days - Marietta, NC

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall
Marietta, NC

Average snowfall - Marietta, NC

The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Marietta, NC

Average snowfall days - Marietta, NC

The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Marietta, NC

Average daylight / Average sunshine - Marietta, NC

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days
Marietta, NC

Average sunshine days - Marietta, NC

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.2 days).

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Average visibility
Marietta, NC

Average visibility - Marietta, NC

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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Marietta, North Carolina, USA

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