August weather forecast
Spartanburg, SC

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Panorama of downtown Spartanburg in South Carolina
Panorama of downtown Spartanburg in South Carolina

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

With the onset of August, the average high-temperature stands at a still hot 89.4°F (31.9°C), closely aligned with July's 91.4°F (33°C). Spartanburg experiences an average temperature drop to a pleasant 68.5°F (20.3°C) during August nights.

Heat index

For most parts of August, the heat index is appraised at a blisteringly hot 104°F (40°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In August, the average relative humidity in Spartanburg is 70%.

Rainfall

In Spartanburg, South Carolina, in August, it is raining for 15.8 days, with typically 2.76" (70mm) of accumulated precipitation. In Spartanburg, South Carolina, during the entire year, the rain falls for 145.5 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

April through November are months without snowfall in Spartanburg.

Daylight

In Spartanburg, the average length of the day in August is 13h and 26min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:30 pm. On the last day of August, sunrise is at 7:00 am and sunset at 7:55 pm EDT.

Sunshine

In Spartanburg, the average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Spartanburg. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 6 in August leads to these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot does it get in Spartanburg in August?

The high-temperature during August is 89.4°F (31.9°C) and the low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 104°F (40°C).

What is the average humidity in August in Spartanburg?

The average relative humidity in August in Spartanburg is 70%.

How much does it rain in Spartanburg in August?

In Spartanburg, South Carolina, during August, the rain falls for 15.8 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Spartanburg?

In Spartanburg, South Carolina, snow does not fall in April through November.

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

In Spartanburg, South Carolina, the average day length in August is 13h and 26min.

When are sunrise and sunset in August in Spartanburg?

In August, on the first day of the month, 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.

How long on average sun shines in August in Spartanburg?

In August, the average sunshine duration in Spartanburg is 10.4h.

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

The months with the highest UV index in Spartanburg, South Carolina, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Spartanburg?

In August, the average daily maximum UV index in Spartanburg, South Carolina, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Spartanburg, SC

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).

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Average pressure in August
Spartanburg, SC

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).

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Average wind speed in August
Spartanburg, SC

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).

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Average humidity in August
Spartanburg, SC

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%).

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Average rainfall in August
Spartanburg, SC

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").

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Average rainfall days in August
Spartanburg, SC

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).

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Average snowfall in August
Spartanburg, SC

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").

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Average snowfall days in August
Spartanburg, SC

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).

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Average daylight in August /
Average sunshine in August
Spartanburg, SC

Average daylight in August / Average sunshine in August - Spartanburg, SC
  • Average daylight in August: 13h and 2min

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 2min

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).

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Average sunshine days in August
Spartanburg, SC

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).

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Average UV index in August
Spartanburg, SC

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).

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Average cloud cover in August
Spartanburg, SC

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).

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Average visibility in August
Spartanburg, SC

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).

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Spartanburg, South Carolina, USA

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