August weather forecastSpartanburg, SC
August
Weather in August
August weather in Spartanburg continues to bear the summer warmth, but with a slight dip in temperatures. The shift from July to August brings a marginally cooler atmosphere, as the average high temperature records at 89.4°F (31.9°C). However, the humidity remains, making the weather feel warmer than it actually is. August also has the highest rainfall in a month. Spartanburg in August blends warm temperatures with high humidity, making it a truly tropical month.Temperature
The shift into August uncovers an average high-temperature of a still tropical 89.4°F (31.9°C), subtly different from the previous month. Spartanburg experiences an average low-temperature of 68.5°F (20.3°C) in the month of August.Heat index
August's mean heat index is calculated to be a blisteringly hot 104°F (40°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In August, the average relative humidity is 70%.Rainfall
In Spartanburg, South Carolina, in August, during 15.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Spartanburg, during the entire year, the rain falls for 145.5 days and collects up to 28.98" (736mm) of precipitation.Snowfall
In Spartanburg, snow does not fall in April through November.Daylight
The average length of the day in August is 13h and 26min.On the first day of August in Spartanburg, sunrise is at 6:37 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:55 pm EDT.
Sunshine
In August, the average sunshine is 10.4h.UV index
The months with the highest UV index in Spartanburg are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Spartanburg, SC
- Average high temperature in August: 89.4°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in August: 68.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in August
Spartanburg, SC
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Spartanburg, SC
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in August
Spartanburg, SC
- Average humidity in August: 70%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).
Average rainfall in August
Spartanburg, SC
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in August
Spartanburg, SC
- Average rainfall days in August: 15.8 days
The months with the highest number of rainy days are July and August (15.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in August
Spartanburg, SC
- Average snowfall in August: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Spartanburg, SC
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.3 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
Spartanburg, SC
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in August
Spartanburg, SC
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in August
Spartanburg, SC
- Average UV index in August: 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 August
Spartanburg, SC
- Average cloud cover in August: 32
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in August
Spartanburg, 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).
