Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average high-temperature in August, at a still hot 88.9°F (31.6°C), reveals a modest deviation from July's 90.3°F (32.4°C). The nights of August anticipate an average low-temperature of 68.2°F (20.1°C).Heat index
The heat index value for August is calculated to be a blisteringly hot 104°F (40°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In August, the average relative humidity is 72%.Rainfall
In Williamston, in August, during 17.4 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, in Williamston, there are 158.8 rainfall days, and 38.35" (974mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Williamston, the average length of the day in August is 13h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:31 pm. On the last day of August, sunrise is at 7:02 am and sunset at 7:57 pm EDT.
Sunshine
In Williamston, the average sunshine in August is 10h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 6 in August suggests the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Williamston have in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Williamston, SC
- Average high temperature in August: 88.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in August: 68.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in August
Williamston, SC
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Williamston, SC
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Williamston, SC
- Average humidity in August: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Williamston, SC
- Average rainfall in August: 3.82"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in August
Williamston, SC
- Average rainfall days in August: 17.4 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in August
Williamston, SC
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Williamston, SC
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Williamston, SC
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in August
Williamston, SC
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in August
Williamston, SC
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Williamston, SC
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in August
Williamston, SC
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Williamston, South Carolina, USA
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