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

August weather forecast and climate
Grayson, GA

August, the last month of the summer, in Grayson, is another hot month, with average temperature varying between 70.2°F (21.2°C) and 89.1°F (31.7°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still tropical 89.1°F (31.7°C). In August, the average low-temperature is 70.2°F (21.2°C).

Heat index

In August, the average heat index is appraised at a very hot 103.8°F (39.9°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, pregnancy, differences in body mass, height, and shape, 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, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in Grayson, Georgia, is 71%.

Rainfall

The month with the most rainfall is August when the rain falls for 18.3 days and typically aggregates up to 3.78" (96mm) of precipitation.

Snowfall

In Grayson snow does not fall in April through October.

Daylight

In August, the average length of the day in Grayson is 13.4h.

Sunshine

In August, the average sunshine is 9.4h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Grayson?

The average high-temperature, in August, is 89.1°F (31.7°C), while the average low-temperature is 70.2°F (21.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, in August is estimated at 103.8°F (39.9°C).

What is the average humidity in August in Grayson?

The average relative humidity in August is 71%.

How much does it rain in Grayson in August?

In Grayson, Georgia, during August, the rain falls for 18.3 days and regularly aggregates up to 3.78" (96mm) of precipitation.

What is the wettest month in Grayson?

The month with the most rainfall in Grayson is August when the rain falls for 18.3 days and typically aggregates up to 3.78" (96mm) of precipitation.

When it does not snow in Grayson?

In Grayson, Georgia, snow does not fall in April through October.

What is the average length of the day in August in Grayson?

In Grayson, the average length of the day in August is 13.4h.

How many hours of sunshine does Grayson have in August?

In Grayson, Georgia, the average sunshine in August is 9.4h.

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

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

How high is the UV index in August in Grayson?

The average daily maximum UV index in August in Grayson, Georgia, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in August - Grayson, GA
  • Average high temperature in August: 89.1°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.8°F).

  • Average low temperature in August: 70.2°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 (34.9°F).

Average humidity in August - Grayson, GA
  • Average humidity in August: 71%

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

Average rainfall in August - Grayson, GA
  • Average rainfall in August: 3.78"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (1.46").

Average rainfall days in August - Grayson, GA
  • Average rainfall days in August: 18.3 days

The month with the highest number of rainy days is July (18.8 days).
Months with the least rainy days are October and November (9.4 days).

Average snowfall in August - Grayson, GA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.43").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August - Grayson, GA
  • Average snowfall days in August: 0 days

Months with the highest number of snowfall days are January and February (0.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Grayson, GA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 9.4h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5h).

Average UV index in August - Grayson, GA
  • Average UV index in August: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).