August weather forecast
North Charleston, SC

August arrives with slight relief from the peak summer heat, yet the weather in North Charleston, South Carolina, maintains its warm trend. The month's thermometer readings record an average high of 88.3°F (31.3°C) and a low averaging 76.3°F (24.6°C). August’s weather moderates slightly from the July heatwave, while still being marginally warmer than the upcoming month of September. The weather maintains its typical summer pattern of humid days with a substantial amount of daily sunshine hours. Nevertheless, the city remains a hotspot for tourism, thanks to its alluring beaches.

Temperature

In August, North Charleston notes an average high-temperature of a still hot 88.3°F (31.3°C), hardly different from the preceding month. In the month of August, North Charleston experiences an average low-temperature of 76.3°F (24.6°C).

Heat index

August's mean heat index is computed to be an extremely hot 104°F (40°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In August, the average relative humidity is 76%.

Rainfall

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

Snowfall

In North Charleston, snow does not fall in March through November.

Daylight

The average length of the day in August in North Charleston is 13h and 20min.
On the first day of August, 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.

Sunshine

In North Charleston, South Carolina, the average sunshine in August is 10.7h.

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 unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 7 in August translates into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.