August weather forecast
Greer, SC

Following July's peak, August witnesses a slight drop in temperature, hinting at the approaching end of summer. The average day high remains high at 88.5°F (31.4°C) but reduces to 67.5°F (19.7°C) during the night. Despite this, August maintains its prevailing hot and humid summer pattern. As the month ends, late afternoon and evening showers might usher in, signaling the onset of rainfall. The region's residents look forward to the respite offered by the coming autumn.

Temperature

Upon the onset of August, Greer witnesses an average high-temperature of a still tropical 88.5°F (31.4°C), showing a close resemblance to the prior month. Throughout August, the average low-temperature dips to a refreshing 67.5°F (19.7°C).

Heat index

August's average heat index is estimated at a torrid 102.2°F (39°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In August, the average relative humidity is 71%.

Rainfall

In Greer, in August, during 16.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 150.2 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Greer, the average length of the day in August is 13h and 26min.
On the first day of August, sunrise is at 6:39 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:56 pm EDT.

Sunshine

In Greer, the average sunshine in August is 10.5h.

UV index

The months with the highest UV index in Greer, South Carolina, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.