August weather forecast
Edisto Beach, SC

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Weather in August

August offers similar conditions to July, with high heat and humidity making it feel like a prolonged summer. Visitors continue to flock to Edisto Beach to enjoy the last month of summer before fall arrives. Frequent late afternoon thunderstorms help balance out the high temperatures, bringing a refreshing change. Rainfall remains significantly high at 1.73" (44mm), the most for the year.

Temperature

The arrival of August is marked by an average high-temperature of a still hot 88.7°F (31.5°C), bearing a close resemblance to July. During the month of August, Edisto Beach's nighttime temperature lowers to an average of 76.1°F (24.5°C).

Heat index

August's average heat index is computed to be an extremely hot 105.8°F (41°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

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

Rainfall

August is the month with the most rainfall. Rain falls for 16.9 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

In Edisto Beach, snow does not fall in February through November.

Daylight

In Edisto Beach, South Carolina, the average length of the day in August is 13h and 19min.
On the first day of August, sunrise is at 6:36 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 7:46 pm EDT.

Sunshine

The average sunshine in August is 10.8h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during August translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

The high-temperature during August is 88.7°F (31.5°C) and the low-temperature is 76.1°F (24.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 105.8°F (41°C).

What is the average humidity in August?

The average relative humidity in August is 76%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 1.73" (44mm) of precipitation.

How many days does it rain in August?

In Edisto Beach, in August, during 16.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow?

In Edisto Beach, snow does not fall in February through November.

How many hours of daylight does Edisto Beach have in August?

In August, the average day length is 13h and 19min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:36 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 7:46 pm EDT.

How many hours of sunshine does Edisto Beach have in August?

The average sunshine duration in August is 10.8h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

How high is the UV index in August?

The average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Edisto Beach, SC

Average temperature in August - Edisto Beach, SC
  • Average high temperature in August: 88.7°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°F).

  • Average low temperature in August: 76.1°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in August
Edisto Beach, SC

Average pressure in August - Edisto Beach, 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).

Average wind speed in August
Edisto Beach, SC

Average wind speed in August - Edisto Beach, SC
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in August
Edisto Beach, SC

Average humidity in August - Edisto Beach, 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%).

Average rainfall in August
Edisto Beach, SC

Average rainfall in August - Edisto Beach, SC
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in August
Edisto Beach, SC

Average rainfall days in August - Edisto Beach, SC
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).

Average snowfall days in August
Edisto Beach, SC

Average snowfall days in August - Edisto Beach, SC
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Edisto Beach, SC

Average daylight in August / Average sunshine in August - Edisto Beach, 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 6min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in August
Edisto Beach, SC

Average sunshine days in August - Edisto Beach, SC
  • Average sunshine days in August: 9.6 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).

Average UV index in August
Edisto Beach, SC

Average UV index in August - Edisto Beach, SC
  • Average UV index in August: 7

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

Average cloud cover in August
Edisto Beach, SC

Average cloud cover in August - Edisto Beach, SC
  • Average cloud cover in August: 27

The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in August
Edisto Beach, SC

Average visibility in August - Edisto Beach, 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).

Edisto Beach, South Carolina, USA

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