August weather forecast
Myrtle Grove, SC

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Weather in August

August, the last month of the summer in Myrtle Grove, is another tropical month, with temperature in the range of an average low of 76.3°F (24.6°C) and an average high of 88.3°F (31.3°C).

Temperature

During August, Myrtle Grove records an average high-temperature of a still tropical 88.3°F (31.3°C), marking a slight divergence from July's 89.6°F (32°C). In Myrtle Grove, August nights witness a steady temperature drop to a warm 76.3°F (24.6°C).

Heat index

For August, the heat index is appraised at a blistering 104°F (40°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in August in Myrtle Grove is 76%.

Rainfall

The month with the most rainfall in Myrtle Grove is August, when the rain falls for 22.7 days and typically aggregates up to 4.29" (109mm) of precipitation.

Snowfall

March through November are months without snowfall in Myrtle Grove.

Daylight

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 8:18 pm. On the last day of August, sunrise is at 6:54 am and sunset at 7:45 pm EDT.

Sunshine

In Myrtle Grove, the average sunshine in August is 10.7h.

UV index

The months with the highest UV index in Myrtle Grove are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In August, the maximum UV index of 7 transforms into these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

How hot does it get in Myrtle Grove in August?

In Myrtle Grove, 88.3°F (31.3°C) is the average high-temperature and 76.3°F (24.6°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 104°F (40°C).

What is the average humidity in August in Myrtle Grove?

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

What is the rainiest month in Myrtle Grove?

The month with the most rainfall in Myrtle Grove is August, when the rain falls for 22.7 days and typically aggregates up to 4.29" (109mm) of precipitation.

How many days does it rain in August in Myrtle Grove?

In Myrtle Grove, during August, the rain falls for 22.7 days and regularly aggregates up to 4.29" (109mm) of precipitation.

When it does not snow in Myrtle Grove?

In Myrtle Grove, snow does not fall in March through November.

How many hours of daylight does Myrtle Grove have in August?

The average day length in August is 13h and 19min.

When are sunrise and sunset in August in Myrtle Grove?

On the first day of August in Myrtle Grove, South Carolina, 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 7:45 pm EDT.

How long on average sun shines in August in Myrtle Grove?

In August, the average sunshine duration is 10.7h.

When is the highest UV index in Myrtle Grove?

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 in Myrtle Grove?

The average daily maximum UV index in August in Myrtle Grove, South Carolina, is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Myrtle Grove, SC

Average temperature in August - Myrtle Grove, SC
  • Average high temperature in August: 88.3°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in August: 76.3°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 (42.8°F).

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Average pressure in August
Myrtle Grove, SC

Average pressure in August - Myrtle Grove, 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).

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Average wind speed in August
Myrtle Grove, SC

Average wind speed in August - Myrtle Grove, SC
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in August
Myrtle Grove, SC

Average humidity in August - Myrtle Grove, SC
  • Average humidity in August: 76%

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

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Average rainfall in August
Myrtle Grove, SC

Average rainfall in August - Myrtle Grove, SC
  • Average rainfall in August: 4.29"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in August
Myrtle Grove, SC

Average rainfall days in August - Myrtle Grove, SC
  • Average rainfall days in August: 22.7 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall days in August
Myrtle Grove, SC

Average snowfall days in August - Myrtle Grove, SC
  • Average snowfall days in August: 0 days

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

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Average daylight in August /
Average sunshine in August
Myrtle Grove, SC

Average daylight in August / Average sunshine in August - Myrtle Grove, 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
Myrtle Grove, SC

Average sunshine days in August - Myrtle Grove, SC
  • Average sunshine days in August: 6.1 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).

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Average UV index in August
Myrtle Grove, SC

Average UV index in August - Myrtle Grove, 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).

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Average cloud cover in August
Myrtle Grove, SC

Average cloud cover in August - Myrtle Grove, SC
  • Average cloud cover in August: 29

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).

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Average visibility in August
Myrtle Grove, SC

Average visibility in August - Myrtle Grove, 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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Myrtle Grove, South Carolina, USA

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