August weather forecast
Fort Moultrie, SC

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Weather in August

August, the last month of the summer in Fort Moultrie, is also a moderately hot month, with an average temperature fluctuating between 85.8°F (29.9°C) and 78.1°F (25.6°C).

Temperature

The introduction of August sees an average high-temperature of a warm 85.8°F (29.9°C), hardly deviating from July. Fort Moultrie's nighttime temperature in August experiences a slight dip from daytime highs, falling to an average of 78.1°F (25.6°C).

Heat index

In August, the average heat index is appraised at a torrid 98.6°F (37°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 highly critical for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

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

Rainfall

August is the month with the most rainfall. Rain falls for 25.9 days and accumulates 8.23" (209mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

In Fort Moultrie, the average length of the day in August is 13h and 19min.
On the first day of August, sunrise is at 6:33 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 7:45 pm EDT.

Sunshine

In Fort Moultrie, 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 value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in August converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

During August, Fort Moultrie experiences an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 78.1°F (25.6°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 appraised at 98.6°F (37°C).

What is the average humidity in August?

The average relative humidity in August is 77%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 25.9 days and typically aggregates up to 8.23" (209mm) of precipitation.

How many days does it rain in August in Fort Moultrie?

In Fort Moultrie, in August, it is raining for 25.9 days, with typically 8.23" (209mm) of accumulated precipitation.

When it does not snow?

In Fort Moultrie, snow does not fall in March through December.

What is the average length of the day in August?

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 6:33 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 7:45 pm EDT.

How many hours of sunshine does Fort Moultrie have in August?

In Fort Moultrie, 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.

What is the UV index reading in August?

In Fort Moultrie, South Carolina, the average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
Fort Moultrie, SC

Average temperature in August - Fort Moultrie, SC
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in August: 78.1°F

The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).

Average pressure in August
Fort Moultrie, SC

Average pressure in August - Fort Moultrie, 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
Fort Moultrie, SC

Average wind speed in August - Fort Moultrie, SC
  • Average wind speed in August: 8.4mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

Average humidity in August
Fort Moultrie, SC

Average humidity in August - Fort Moultrie, 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 and March (73%).

Average rainfall in August
Fort Moultrie, SC

Average rainfall in August - Fort Moultrie, SC
  • Average rainfall in August: 8.23"

The wettest month (with the highest rainfall) is August (8.23").
The driest month (with the least rainfall) is January (1.42").

Average rainfall days in August
Fort Moultrie, SC

Average rainfall days in August - Fort Moultrie, SC
  • Average rainfall days in August: 25.9 days

The month with the highest number of rainy days is August (25.9 days).
The month with the least rainy days is November (8.5 days).

Average snowfall days in August
Fort Moultrie, SC

Average snowfall days in August - Fort Moultrie, SC
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in August /
Average sunshine in August
Fort Moultrie, SC

Average daylight in August / Average sunshine in August - Fort Moultrie, 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
Fort Moultrie, SC

Average sunshine days in August - Fort Moultrie, SC
  • Average sunshine days in August: 2.8 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (2.8 days).

Average UV index in August
Fort Moultrie, SC

Average UV index in August - Fort Moultrie, 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
Fort Moultrie, SC

Average cloud cover in August - Fort Moultrie, SC
  • Average cloud cover in August: 29

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

Average visibility in August
Fort Moultrie, SC

Average visibility in August - Fort Moultrie, 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).

Fort Moultrie, South Carolina, USA

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