August weather forecast
Florence, SC

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The red bridge in the Snow Winter Forest area, in Florence, South Carolina
The red bridge in the Snow Winter Forest area, in Florence, South Carolina

Weather in August

Focusing on Florence's weather in August, the heat wave that initiated in July continues with barely any respite. The reduced sunshine hours prove deceptive as temperatures remain significantly high, showing a negligible cooling from the previous month. However, a unique characteristic in August compared to July is a noticeable increase in cloud cover. Despite the high temperatures, the month offers the lowest average wind speeds of the calendar year. The rainfall this month also reaches a high, witnessing a record 3.82" (97mm).

Temperature

Entering August, Florence's average high-temperature reads a still hot 88.3°F (31.3°C), indicating a close resemblance to the previous month's climate. Florence, in August, experiences an average temperature of 71.2°F (21.8°C) at night.

Heat index

In August, the average heat index is computed to be a scorching 105.8°F (41°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. 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 particularly relevant to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in August is 77%.

Rainfall

August is the month with the most rainfall. Rain falls for 19.3 days and accumulates 3.82" (97mm) of precipitation.

Snowfall

In Florence, snow does not fall in April through October.

Daylight

In Florence, South Carolina, the average length of the day in August is 13h and 23min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:52 am and sunset at 7:45 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

How hot does it get in August?

The high-temperature, in August, in Florence, records 88.3°F (31.3°C), while the low-temperature is 71.2°F (21.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 105.8°F (41°C).

What is the average humidity in August?

The average relative humidity in August is 77%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 19.3 days and typically aggregates up to 3.82" (97mm) of precipitation.

How much does it rain in August?

In Florence, during August, the rain falls for 19.3 days and regularly aggregates up to 3.82" (97mm) of precipitation.

When it does not snow?

In Florence, snow does not fall in April through October.

What is the average length of the day in August?

In Florence, the average day length in August is 13h and 23min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:30 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 7:45 pm EDT.

How many hours of sunshine does Florence have in August?

In August, the average sunshine duration is 10.4h.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Florence, SC

Average temperature in August - Florence, 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 (52.3°F).

  • Average low temperature in August: 71.2°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (37°F).

Average pressure in August
Florence, SC

Average pressure in August - Florence, SC
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Florence, SC

Average wind speed in August - Florence, SC
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Florence, SC

Average humidity in August - Florence, SC
  • Average humidity in August: 77%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in August
Florence, SC

Average rainfall in August - Florence, SC
  • Average rainfall in August: 3.82"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days in August
Florence, SC

Average rainfall days in August - Florence, SC
  • Average rainfall days in August: 19.3 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in August
Florence, SC

Average snowfall in August - Florence, SC
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Florence, SC

Average snowfall days in August - Florence, SC
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (0.8 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
Florence, SC

Average daylight in August / Average sunshine in August - Florence, 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 2min

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 30min).

Average sunshine days in August
Florence, SC

Average sunshine days in August - Florence, SC
  • Average sunshine days in August: 9.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in August
Florence, SC

Average UV index in August - Florence, SC
  • Average UV index in August: 6

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

Average cloud cover in August
Florence, SC

Average cloud cover in August - Florence, SC
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).

Average visibility in August
Florence, SC

Average visibility in August - Florence, 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).

Florence, South Carolina, USA

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