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

May weather forecast and climate
Grantville, GA

The last month of the spring, May, is a moderately hot month in Grantville, Georgia, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 81°F (27.2°C).

Temperature

In Grantville, the average high-temperature in May slightly increases, from a pleasant 73°F (22.8°C) in April, to a warm 81°F (27.2°C). In Grantville, the average low-temperature is 60.4°F (15.8°C).

Heat index

In May, the average heat index is evaluated at 85.3°F (29.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the 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 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, clothing). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in May is 74%.

Rainfall

In Grantville, Georgia, during May, the rain falls for 10.1 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Grantville, during the entire year, the rain falls for 109.8 days and collects up to 8.82" (224mm) of precipitation.

Snowfall

February, April through December are months without snowfall in Grantville, Georgia.

Daylight

In Grantville, the average length of the day is 13.9h.

Sunshine

In May, the average sunshine is 10h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
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 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.

What is the temperature in May in Grantville?

In May, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 60.4°F (15.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines both air temperature and relative humidity, is appraised at 85.3°F (29.6°C).

What is the average humidity in May in Grantville?

In Grantville, Georgia, the average relative humidity in May is 74%.

How much does it rain in Grantville in May?

In Grantville, Georgia, in May, during 10.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When it does not snow in Grantville?

February, April through December are months without snowfall in Grantville, Georgia.

What is the average length of the day in May in Grantville?

In May, the average length of the day in Grantville, Georgia, is 13.9h.

How long on average sun shines in May in Grantville?

The average sunshine in May is 10h.

What is the UV index reading in May in Grantville?

The average daily maximum UV index in May in Grantville is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Grantville, GA
  • Average high temperature in May: 81°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (51.8°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average humidity in May - Grantville, GA
  • Average humidity in May: 74%

The month with the highest relative humidity is December (78%).
Months with the lowest relative humidity are October and November (72%).

Average rainfall in May - Grantville, GA
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in May - Grantville, GA
  • Average rainfall days in May: 10.1 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).

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

Months with the highest snowfall are January and March (0.04").
Months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0").

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

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

Average daylight in May / Average sunshine in May - Grantville, GA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 10h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.1h).

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).