May weather forecast
Marietta, GA

Weather in May

The last month of the spring, May, is a warm month in Marietta, Georgia, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 80.8°F (27.1°C).

Temperature

In May, the average high-temperature marginally rises from a pleasant 72.5°F (22.5°C) in April to a warm 80.8°F (27.1°C). The average low-temperature, in Marietta, is 61.2°F (16.2°C).

Heat index

In May, the average heat index is computed to be 84.2°F (29°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, differences in body mass, height, and shape, wind, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In May, the average relative humidity in Marietta, Georgia, is 71%.

Rainfall

In May, the rain falls for 17.6 days. Throughout May, 3.94" (100mm) of precipitation is accumulated. Throughout the year, in Marietta, there are 177.1 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.

Snowfall

In Marietta, snow does not fall in April through November.

Daylight

In Marietta, the average length of the day in May is 13h and 56min.
On the first day of May in Marietta, sunrise is at 6:48 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:43 pm EDT.

Sunshine

In Marietta, the average sunshine in May is 9.7h.

UV index

The months with the highest UV index in Marietta, Georgia, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Marietta?

In Marietta, Georgia, in May, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 61.2°F (16.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 84.2°F (29°C).

What is the average humidity in May in Marietta?

The average relative humidity in May in Marietta, Georgia, is 71%.

How many days does it rain in May in Marietta?

In May, in Marietta, Georgia, the rain falls for 17.6 days. Throughout May, 3.94" (100mm) of precipitation is accumulated.

When it does not snow in Marietta?

In Marietta, Georgia, snow does not fall in April through November.

How many hours of daylight does Marietta have in May?

The average day length in May in Marietta is 13h and 56min.

When are sunrise and sunset in May in Marietta?

On the first day of May in Marietta, sunrise is at 6:48 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Marietta have in May?

The average sunshine duration in May in Marietta, Georgia, is 9.7h.

What are the months with the highest UV index in Marietta?

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

What is the UV index reading in May in Marietta?

In Marietta, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Marietta, GA

Average temperature in May - Marietta, GA
  • Average high temperature in May: 80.8°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in May: 61.2°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

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Average pressure in May
Marietta, GA

Average pressure in May - Marietta, GA
  • Average pressure in May: 30.03"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).

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Average wind speed in May
Marietta, GA

Average wind speed in May - Marietta, GA
  • Average wind speed in May: 5.9mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in May
Marietta, GA

Average humidity in May - Marietta, GA
  • Average humidity in May: 71%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in May
Marietta, GA

Average rainfall in May - Marietta, GA
  • Average rainfall in May: 3.94"

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

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Average rainfall days in May
Marietta, GA

Average rainfall days in May - Marietta, GA
  • Average rainfall days in May: 17.6 days

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

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Average snowfall in May
Marietta, GA

Average snowfall in May - Marietta, GA
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Marietta, GA

Average snowfall days in May - Marietta, GA
  • Average snowfall days in May: 0 days

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

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Average daylight in May /
Average sunshine in May
Marietta, GA

Average daylight in May / Average sunshine in May - Marietta, GA
  • Average daylight in May: 13h and 56min

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).

  • Average sunshine in May: 9h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in May
Marietta, GA

Average sunshine days in May - Marietta, GA
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in May
Marietta, GA

Average UV index in May - Marietta, GA
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Marietta, GA

Average cloud cover in May - Marietta, GA
  • Average cloud cover in May: 34

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in May
Marietta, GA

Average visibility in May - Marietta, GA
  • Average visibility in May: 6mi

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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