August weather forecast
Runnymede, SC

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Weather in August

The last month of the summer, August, is also a hot month in Runnymede, South Carolina, with an average temperature fluctuating between 75.4°F (24.1°C) and 89.4°F (31.9°C).

Temperature

The introduction of August notes a subtle temperature variation to a still tropical 89.4°F (31.9°C) from July's 90.5°F (32.5°C). Runnymede records an average temperature drop to a warm 75.4°F (24.1°C) in August.

Heat index

In August, the heat index is calculated to be an extremely hot 107.6°F (42°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Runnymede, the average relative humidity in August is 76%.

Rainfall

August is the month with the most rainfall in Runnymede, South Carolina. Rain falls for 23.4 days and accumulates 6.22" (158mm) of precipitation.

Snowfall

In Runnymede, snow does not fall in March through November.

Daylight

In August, the average length of the day is 13h and 20min.
On the first day of August in Runnymede, sunrise is at 6:34 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 7:46 pm EDT.

Sunshine

The average sunshine in August in Runnymede is 10.6h.

UV index

The months with the highest UV index in Runnymede are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In August, the maximum UV index of 7 suggests this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

How hot does it get in Runnymede in August?

During August, Runnymede experiences an average high-temperature of 89.4°F (31.9°C) and a low-temperature of 75.4°F (24.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 107.6°F (42°C).

What is the average humidity in August in Runnymede?

The average relative humidity in August in Runnymede is 76%.

What is the rainiest month in Runnymede?

August is the month with the most rainfall in Runnymede. Rain falls for 23.4 days and accumulates 6.22" (158mm) of precipitation.

How many days does it rain in August in Runnymede?

In August, the rain falls for 23.4 days. Throughout August, 6.22" (158mm) of precipitation is accumulated.

When it does not snow in Runnymede?

March through November are months without snowfall in Runnymede.

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

In Runnymede, South Carolina, the average day length in August is 13h and 20min.

When is the sunrise / sunset in August in Runnymede?

On the first day of August in Runnymede, sunrise is at 6:34 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 7:46 pm EDT.

How many hours of sunshine does Runnymede have in August?

The average sunshine duration in August is 10.6h.

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

The months with the highest UV index in Runnymede, South Carolina, are June through August, with an average maximum UV index of 7.

What is the UV index intensity in August in Runnymede?

The average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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
Runnymede, SC

Average temperature in August - Runnymede, SC
  • Average high temperature in August: 89.4°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in August: 75.4°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in August
Runnymede, SC

Average pressure in August - Runnymede, SC
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in August
Runnymede, SC

Average wind speed in August - Runnymede, SC
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in August
Runnymede, SC

Average humidity in August - Runnymede, SC
  • Average humidity in August: 76%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

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Average rainfall in August
Runnymede, SC

Average rainfall in August - Runnymede, SC
  • Average rainfall in August: 6.22"

The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in August
Runnymede, SC

Average rainfall days in August - Runnymede, SC
  • Average rainfall days in August: 23.4 days

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in August
Runnymede, SC

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

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Runnymede, SC

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

The months with the highest number of snowfall days are January and February (0.3 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
Runnymede, SC

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

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 4min

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 36min).

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Average sunshine days in August
Runnymede, SC

Average sunshine days in August - Runnymede, SC
  • Average sunshine days in August: 5.8 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).

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Average UV index in August
Runnymede, SC

Average UV index in August - Runnymede, SC
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in August
Runnymede, SC

Average cloud cover in August - Runnymede, SC
  • Average cloud cover in August: 30

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in August
Runnymede, SC

Average visibility in August - Runnymede, 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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Runnymede, South Carolina, USA

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