August weather forecastGraniteville, SC
August
Weather in August
August, the last month of the summer in Graniteville, is another tropical month, with temperature in the range of an average low of 72.5°F (22.5°C) and an average high of 90.5°F (32.5°C).Temperature
As Graniteville steps into August, the average high-temperature holds at a still tropical 90.5°F (32.5°C), hinting at a minor fluctuation from the prior month. Throughout the August nights, Graniteville encounters a low-temperature of 72.5°F (22.5°C).Heat index
August's average heat index is estimated at a blisteringly hot 107.6°F (42°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In August, the average relative humidity in Graniteville is 70%.Rainfall
In Graniteville, South Carolina, during August, the rain falls for 16.6 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Graniteville, during the entire year, the rain falls for 146.7 days and collects up to 27.2" (691mm) of precipitation.Snowfall
In Graniteville, South Carolina, snow does not fall in March through November.Daylight
In August, the average length of the day in Graniteville is 13h and 22min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:26 pm. On the last day of August, sunrise is at 7:01 am and sunset at 7:53 pm EDT.
Sunshine
In Graniteville, South Carolina, the average sunshine in August is 10.3h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index in Graniteville. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 7 in August translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Graniteville, SC
- Average high temperature in August: 90.5°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in August: 72.5°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in August
Graniteville, SC
- Average pressure in August: 29.99"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Graniteville, SC
- Average wind speed in August: 5.5mph
The windiest months (with the highest average wind speed) are February, March and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Graniteville, SC
- Average humidity in August: 70%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (69%).
Average rainfall in August
Graniteville, SC
- Average rainfall in August: 2.68"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in August
Graniteville, SC
- Average rainfall days in August: 16.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in August
Graniteville, SC
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Graniteville, SC
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The 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
Graniteville, SC
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in August
Graniteville, SC
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in August
Graniteville, SC
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in August
Graniteville, SC
- Average cloud cover in August: 31
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in August
Graniteville, SC
- Average visibility in August: 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).
