August weather forecast
Fort Mill, SC

Share

Weather in August

Although not as torrid as July, August still brings along its share of summer heat. The high temperatures hover around 88.7°F (31.5°C), contrasted by cooler nighttime temperatures around 69.4°F (20.8°C). Notably, it is the wettest month of the year, with a peak rainfall of 3.23" (82mm). Despite these showers, it boasts of 10.2 hours of sunshine, living up to summer’s reputation for long, sunny days. The air also remains relatively calm, with average wind speeds dropping to the lowest point for the year at 4.7mph (7.6km/h).

Temperature

Entering August, Fort Mill's average high-temperature reads a still hot 88.7°F (31.5°C), indicating a close resemblance to the previous month's climate. In the month of August, Fort Mill witnesses a consistent average low-temperature of 69.4°F (20.8°C).

Heat index

For August, the heat index is appraised at a sweltering 102.2°F (39°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. 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 relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In August, the average relative humidity in Fort Mill is 70%.

Rainfall

August is the month with the most rainfall in Fort Mill. Rain falls for 16 days and accumulates 3.23" (82mm) of precipitation.

Snowfall

In Fort Mill, snow does not fall in April through November.

Daylight

In August, the average length of the day in Fort Mill is 13h and 26min.
On the first day of August, sunrise is at 6:33 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 7:51 pm EDT.

Sunshine

In Fort Mill, South Carolina, the average sunshine in August is 10.2h.

UV index

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
[Resources]

Frequently asked questions

How hot is it in Fort Mill in August?

The high-temperature in Fort Mill during August is 88.7°F (31.5°C) and the low-temperature is 69.4°F (20.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is appraised at 102.2°F (39°C).

What is the average humidity in August in Fort Mill?

In August, the average relative humidity in Fort Mill, South Carolina, is 70%.

What is the rainiest month in Fort Mill?

The month with the most rainfall in Fort Mill is August, when the rain falls for 16 days and typically aggregates up to 3.23" (82mm) of precipitation.

How much does it rain in Fort Mill in August?

In Fort Mill, South Carolina, in August, during 16 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Fort Mill?

In Fort Mill, snow does not fall in April through November.

What is the average length of the day in August in Fort Mill?

In August, the average day length is 13h and 26min.

When are sunrise and sunset in August in Fort Mill?

In August, on the first day of the month, sunrise is at 6:33 am and sunset at 8:26 pm. On the last day of the month, in Fort Mill, sunrise is at 6:56 am and sunset at 7:51 pm EDT.

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

In Fort Mill, the average sunshine duration in August is 10.2h.

What is the UV index reading in August in Fort Mill?

In August, the average daily maximum UV index in Fort Mill, South Carolina, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Fort Mill, SC

Average temperature in August - Fort Mill, SC
  • Average high temperature in August: 88.7°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in August: 69.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

[Resources]

Average pressure in August
Fort Mill, SC

Average pressure in August - Fort Mill, SC
  • Average pressure in August: 30"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).

[Resources]

Average wind speed in August
Fort Mill, SC

Average wind speed in August - Fort Mill, SC
  • Average wind speed in August: 4.7mph

The windiest months (with the highest average wind speed) are February and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

[Resources]

Average humidity in August
Fort Mill, SC

Average humidity in August - Fort Mill, SC
  • Average humidity in August: 70%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (69%).

[Resources]

Average rainfall in August
Fort Mill, SC

Average rainfall in August - Fort Mill, SC
  • Average rainfall in August: 3.23"

The wettest month (with the highest rainfall) is August (3.23").
The driest months (with the least rainfall) are September and October (1.81").

[Resources]

Average rainfall days in August
Fort Mill, SC

Average rainfall days in August - Fort Mill, SC
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.3 days).

[Resources]

Average snowfall in August
Fort Mill, SC

Average snowfall in August - Fort Mill, SC
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in August
Fort Mill, SC

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

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

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

Average daylight in August / Average sunshine in August - Fort Mill, SC
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 10h and 1min

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 18min).

[Resources]

Average sunshine days in August
Fort Mill, SC

Average sunshine days in August - Fort Mill, SC
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (11.8 days).

[Resources]

Average UV index in August
Fort Mill, SC

Average UV index in August - Fort Mill, SC
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

[Resources]

Average cloud cover in August
Fort Mill, SC

Average cloud cover in August - Fort Mill, SC
  • Average cloud cover in August: 34

The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).

[Resources]

Average visibility in August
Fort Mill, SC

Average visibility in August - Fort Mill, 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).

[Resources]

Fort Mill, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location