August weather forecast
Blythewood, SC

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Weather in August

In August, Blythewood starts transitioning from the peak summer experiences of July. This month shows a decrease in average temperatures, moving from 70.7°F (21.5°C) to 89.6°F (32°C). Despite being a high summer month, it has less sunshine hours than July. However, there is an increase in rainfall compared to July. The additional rain coupled with smaller temperature drops does not diminish the lively summer atmosphere Blythewood is known for during August.

Temperature

The average high-temperature in August, at a still hot 89.6°F (32°C), reveals a modest deviation from July's 91.6°F (33.1°C). In August, the average low-temperature is a pleasant 70.7°F (21.5°C).

Heat index

During August, the heat index is evaluated at a blisteringly hot 105.8°F (41°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Blythewood, the average relative humidity in August is 72%.

Rainfall

In Blythewood, in August, during 16.7 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Blythewood, during the entire year, the rain falls for 160.7 days and collects up to 32.13" (816mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 23min.
On the first day of the month, sunrise is at 6:35 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:57 am and sunset at 7:50 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The average high-temperature, in August, in Blythewood, is 89.6°F (32°C), while the average low-temperature is 70.7°F (21.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 105.8°F (41°C).

What is the average humidity in August?

In August, the average relative humidity is 72%.

How much does it rain in August?

In Blythewood, in August, during 16.7 rainfall days, 3.39" (86mm) of precipitation is typically accumulated.

When it does not snow?

In Blythewood, snow does not fall in April through October.

How many hours of daylight does Blythewood have in August?

In August, the average day length is 13h and 23min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:35 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 7:50 pm EDT.

How long on average sun shines in August?

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

How high is the UV index in August?

In Blythewood, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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
Blythewood, SC

Average temperature in August - Blythewood, SC
  • Average high temperature in August: 89.6°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in August: 70.7°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in August
Blythewood, SC

Average pressure in August - Blythewood, SC
  • Average pressure in August: 30"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 (29.97"Hg).

Average wind speed in August
Blythewood, SC

Average wind speed in August - Blythewood, SC
  • Average wind speed in August: 4.8mph

The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Blythewood, SC

Average humidity in August - Blythewood, SC
  • Average humidity in August: 72%

The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).

Average rainfall in August
Blythewood, SC

Average rainfall in August - Blythewood, SC
  • Average rainfall in August: 3.39"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
Blythewood, SC

Average rainfall days in August - Blythewood, SC
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).

Average snowfall in August
Blythewood, SC

Average snowfall in August - Blythewood, SC
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Blythewood, SC

Average snowfall days in August - Blythewood, SC
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in August
Blythewood, SC

Average sunshine days in August - Blythewood, SC
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in August
Blythewood, SC

Average UV index in August - Blythewood, SC
  • Average UV index in August: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in August
Blythewood, SC

Average cloud cover in August - Blythewood, SC
  • Average cloud cover in August: 32

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in August
Blythewood, SC

Average visibility in August - Blythewood, 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).

Blythewood, South Carolina, USA

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