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

August weather forecast and climate
Grantville, GA

The last month of the summer, August, is another hot month in Grantville, Georgia, with average temperature varying between 69.6°F (20.9°C) and 88.3°F (31.3°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still hot 88.3°F (31.3°C). In August, in Grantville, the average low-temperature is 69.6°F (20.9°C).

Heat index

In August, the average heat index is calculated to an extremely hot 104.2°F (40.1°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, metabolic differences, clothing, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

In August, the average relative humidity is 75%.

Rainfall

August is the month with the most rainfall in Grantville. Rain falls for 13.4 days and accumulates 1.1" (28mm) of precipitation.

Snowfall

In Grantville snow does not fall in February, April through December.

Daylight

The average length of the day in Grantville is 13.3h.

Sunshine

In Grantville, the average sunshine is 9.2h.

UV index

In August, the average daily maximum UV index in Grantville is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
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 August in Grantville?

In Grantville, in August, the average high-temperature is 88.3°F (31.3°C), and the average low-temperature is 69.6°F (20.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that factores the actual air temperature with the relative humidity, is estimated at 104.2°F (40.1°C).

What is the average humidity in August in Grantville?

In Grantville, Georgia, the average relative humidity in August is 75%.

How many days does it rain in August in Grantville?

In Grantville, in August, it is raining for 13.4 days, with typically 1.1" (28mm) of accumulated precipitation.

What is the rainiest month in Grantville?

August is the month with the most rainfall in Grantville. Rain falls for 13.4 days and accumulates 1.1" (28mm) of precipitation.

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 August in Grantville?

In August, the average length of the day in Grantville is 13.3h.

How long on average sun shines in August in Grantville?

In August, the average sunshine in Grantville, Georgia, is 9.2h.

What is the UV index intensity in August in Grantville?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in August - Grantville, GA
  • Average high temperature in August: 88.3°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 August: 69.6°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 August - Grantville, GA
  • Average humidity in August: 75%

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

Average rainfall in August - Grantville, GA
  • Average rainfall in August: 1.1"

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 August - Grantville, GA
  • Average rainfall days in August: 13.4 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 August - Grantville, GA
  • Average snowfall in August: 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 August - Grantville, GA
  • Average snowfall days in August: 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 August / Average sunshine in August - Grantville, GA
  • Average daylight in August: 13.3h

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 August: 9.2h

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 August - Grantville, GA
  • Average UV index in August: 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).