August weather forecast
Lyman, SC

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Weather in August

August, the last month of the summer in Lyman, is another hot month, with an average temperature fluctuating between 67.8°F (19.9°C) and 89.2°F (31.8°C).

Temperature

Lyman transitions into August recording an average high-temperature of a still tropical 89.2°F (31.8°C), closely aligning with the preceding month's temperature. An average nighttime temperature of 67.8°F (19.9°C) is noted during the month of August.

Heat index

August's average heat index is calculated to be a torrid 102.2°F (39°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In August, the average relative humidity in Lyman is 69%.

Rainfall

In Lyman, during August, the rain falls for 15 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 141 rainfall days, and 28.5" (724mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Lyman, the average length of the day in August is 13h and 26min.
On the first day of August in Lyman, sunrise is at 6:38 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:56 pm EDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

The months with the highest UV index in Lyman are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

Is it hot in Lyman during August?

The high-temperature in Lyman during August is 89.2°F (31.8°C) and the low-temperature is 67.8°F (19.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 102.2°F (39°C).

What is the average humidity in August in Lyman?

The average relative humidity in August in Lyman is 69%.

How many days does it rain in August in Lyman?

In Lyman, South Carolina, in August, it is raining for 15 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Lyman?

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

How many hours of daylight does Lyman have in August?

In Lyman, South Carolina, the average day length in August is 13h and 26min.

When is the sunrise / sunset in August in Lyman?

On the first day of August, sunrise is at 6:38 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:56 pm EDT.

How many hours of sunshine does Lyman have in August?

In August, the average sunshine duration is 10.3h.

What is the month with the highest UV index in Lyman?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in August in Lyman?

In Lyman, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Lyman, SC

Average temperature in August - Lyman, SC
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.9°F).

  • Average low temperature in August: 67.8°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in August
Lyman, SC

Average pressure in August - Lyman, 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 (29.99"Hg).

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Average wind speed in August
Lyman, SC

Average wind speed in August - Lyman, SC
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in August
Lyman, SC

Average humidity in August - Lyman, SC
  • Average humidity in August: 69%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (67%).

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Average rainfall in August
Lyman, SC

Average rainfall in August - Lyman, SC
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.38").

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Average rainfall days in August
Lyman, SC

Average rainfall days in August - Lyman, SC
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in August
Lyman, SC

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

The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Lyman, SC

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

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Lyman, SC

Average daylight in August / Average sunshine in August - Lyman, 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 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 18min).

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Average sunshine days in August
Lyman, SC

Average sunshine days in August - Lyman, SC
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (13.3 days).

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Average UV index in August
Lyman, SC

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in August
Lyman, SC

Average cloud cover in August - Lyman, SC
  • Average cloud cover in August: 32

The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 28).

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Average visibility in August
Lyman, SC

Average visibility in August - Lyman, 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).

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Lyman, South Carolina, USA

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