August weather forecast
Riverland, SC

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Weather in August

The last month of the summer, August, is another tropical month in Riverland, South Carolina, with an average temperature ranging between min 78.4°F (25.8°C) and max 86°F (30°C).

Temperature

August's onset records a minor alteration in the average high-temperature to a still hot 86°F (30°C) from July's 86.2°F (30.1°C). August nights witness a slight temperature decrease, averaging at a moderately hot 78.4°F (25.8°C).

Heat index

The heat index value for August is evaluated at a torrid 98.6°F (37°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In August, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is August, when the rain falls for 17.3 days and typically aggregates up to 1.93" (49mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

In Riverland, the average length of the day in August is 13h and 19min.
On the first day of the month, sunrise is at 6:34 am and sunset at 8:17 pm. On the last day of August, in Riverland, South Carolina, sunrise is at 6:54 am and sunset at 7:45 pm EDT.

Sunshine

In Riverland, the average sunshine in August is 10.9h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in August interprets into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In August, the average high-temperature and low-temperature are 86°F (30°C) and 78.4°F (25.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 98.6°F (37°C).

What is the average humidity in August?

In Riverland, the average relative humidity in August is 77%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in August?

In Riverland, during August, the rain falls for 17.3 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow?

February through November are months without snowfall in Riverland.

How many hours of daylight does Riverland have in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:34 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 7:45 pm EDT.

How many hours of sunshine does Riverland have in August?

The average sunshine duration in August in Riverland is 10.9h.

When is the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk 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
Riverland, SC

Average temperature in August - Riverland, SC
  • Average high temperature in August: 86°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in August: 78.4°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

Average pressure in August
Riverland, SC

Average pressure in August - Riverland, SC
  • Average pressure in August: 29.99"Hg

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

Average wind speed in August
Riverland, SC

Average wind speed in August - Riverland, SC
  • Average wind speed in August: 8.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity in August
Riverland, SC

Average humidity in August - Riverland, SC
  • Average humidity in August: 77%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).

Average rainfall in August
Riverland, SC

Average rainfall in August - Riverland, SC
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in August
Riverland, SC

Average rainfall days in August - Riverland, SC
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).

Average snowfall days in August
Riverland, SC

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

The month with the highest number of snowfall days is January (0.2 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
Riverland, SC

Average daylight in August / Average sunshine in August - Riverland, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in August
Riverland, SC

Average sunshine days in August - Riverland, SC
  • Average sunshine days in August: 8.5 days

The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).

Average UV index in August
Riverland, SC

Average UV index in August - Riverland, 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
Riverland, SC

Average cloud cover in August - Riverland, SC
  • Average cloud cover in August: 27

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

Average visibility in August
Riverland, SC

Average visibility in August - Riverland, 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).

Riverland, South Carolina, USA

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