May weather forecast
Stone Mountain, GA

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Weather in May

May, the last month of the spring in Stone Mountain, is a warm month, with an average temperature fluctuating between 80.8°F (27.1°C) and 61.2°F (16.2°C).

Temperature

The onset of May brings a minor temperature shift, with the average high-temperature moving from an agreeable 73°F (22.8°C) in April to a warm 80.8°F (27.1°C). The average temperature during May nights is registered at an enjoyable 61.2°F (16.2°C).

Heat index

In May, the heat index is appraised at 84.2°F (29°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in May is 72%.

Rainfall

In Stone Mountain, during May, the rain falls for 17 days and regularly aggregates up to 3.54" (90mm) of precipitation. In Stone Mountain, during the entire year, the rain falls for 182.9 days and collects up to 40.39" (1026mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 13h and 56min.
On the first day of the month, sunrise is at 6:46 am and sunset at 8:20 pm. On the last day of May, sunrise is at 6:26 am and sunset at 8:42 pm EDT.

Sunshine

The average sunshine in May is 9.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Stone Mountain. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 during May leads to these advisories:
Shun overexposure. Protection from sun ravages is indispensable. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Stone Mountain, records 80.8°F (27.1°C), while the low-temperature is 61.2°F (16.2°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 84.2°F (29°C).

What is the average humidity in May?

In May, the average relative humidity is 72%.

How many days does it rain in May?

In Stone Mountain, Georgia, in May, during 17 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Stone Mountain have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:46 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:42 pm EDT.

How many hours of sunshine does Stone Mountain have in May?

In May, the average sunshine duration is 9.9h.

When is the highest UV index?

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

What is the UV index reading in May?

In Stone Mountain, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Stone Mountain, GA

Average temperature in May - Stone Mountain, 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 (50.5°F).

  • Average low temperature in May: 61.2°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 (35.2°F).

Average pressure in May
Stone Mountain, GA

Average pressure in May - Stone Mountain, 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).

Average wind speed in May
Stone Mountain, GA

Average wind speed in May - Stone Mountain, GA
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in May
Stone Mountain, GA

Average humidity in May - Stone Mountain, GA
  • Average humidity in May: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

Average rainfall in May
Stone Mountain, GA

Average rainfall in May - Stone Mountain, GA
  • Average rainfall in May: 3.54"

The wettest month (with the highest rainfall) is August (5.35").
The driest month (with the least rainfall) is October (2.2").

Average rainfall days in May
Stone Mountain, GA

Average rainfall days in May - Stone Mountain, GA
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in May
Stone Mountain, GA

Average snowfall in May - Stone Mountain, GA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Stone Mountain, GA

Average snowfall days in May - Stone Mountain, GA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Stone Mountain, GA

Average daylight in May / Average sunshine in May - Stone Mountain, GA
  • Average daylight in May: 13h and 5min

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 May: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Stone Mountain, GA

Average sunshine days in May - Stone Mountain, GA
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.9 days).

Average UV index in May
Stone Mountain, GA

Average UV index in May - Stone Mountain, 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 and December (UV index 2).

Average cloud cover in May
Stone Mountain, GA

Average cloud cover in May - Stone Mountain, GA
  • Average cloud cover in May: 33

The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in May
Stone Mountain, GA

Average visibility in May - Stone Mountain, 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).

Stone Mountain, Georgia, USA

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