August weather forecast
Summersville, KY

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Weather in August

August, the last month of the summer in Summersville, is another warm month, with an average temperature ranging between min 65.1°F (18.4°C) and max 85.1°F (29.5°C).

Temperature

Summersville's weather in August, with an average high-temperature of a warm 85.1°F (29.5°C), subtly shifts from July's 86.2°F (30.1°C). Throughout the month of August, Summersville expects an average low of 65.1°F (18.4°C).

Heat index

August's heat index is estimated at a fiery hot 95°F (35°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. 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 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Summersville, in August, during 16.5 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 172.3 rainfall days, and 36.93" (938mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Summersville.

Daylight

In Summersville, the average length of the day in August is 13h and 33min.
On the first day of August in Summersville, sunrise is at 5:47 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:12 pm CDT.

Sunshine

With an average of 10.4h of sunshine, August has the most sunshine of the year.

UV index

The months with the highest UV index in Summersville are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

How hot is it in Summersville in August?

In August, in Summersville, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 65.1°F (18.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 95°F (35°C).

What is the average humidity in August in Summersville?

The average relative humidity in August in Summersville is 76%.

How many days does it rain in August in Summersville?

In Summersville, in August, it is raining for 16.5 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in Summersville?

In Summersville, snow does not fall in May through September.

How many hours of daylight does Summersville have in August?

In August, the average day length in Summersville, Kentucky, is 13h and 33min.

When are sunrise and sunset in August in Summersville?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 7:49 pm. On the last day of the month, in Summersville, sunrise is at 6:12 am and sunset at 7:12 pm CDT.

What month has the most sunshine in Summersville?

August has the most sunshine of the year in Summersville, Kentucky, with an average of 10.4h of sunshine.

How long on average sun shines in August in Summersville?

In August, the average sunshine duration is 10.4h.

What are the months with the highest UV index in Summersville?

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

What is the UV index intensity in August in Summersville?

The average daily maximum UV index in August in Summersville is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to 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
Summersville, KY

Average temperature in August - Summersville, KY
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in August: 65.1°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in August
Summersville, KY

Average pressure in August - Summersville, KY
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in August
Summersville, KY

Average wind speed in August - Summersville, KY
  • Average wind speed in August: 4.8mph

The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in August
Summersville, KY

Average humidity in August - Summersville, KY
  • Average humidity in August: 76%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Summersville, KY

Average rainfall in August - Summersville, KY
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in August
Summersville, KY

Average rainfall days in August - Summersville, KY
  • Average rainfall days in August: 16.5 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in August
Summersville, KY

Average snowfall in August - Summersville, KY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Summersville, KY

Average snowfall days in August - Summersville, KY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Summersville, KY

Average daylight in August / Average sunshine in August - Summersville, KY
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in August
Summersville, KY

Average sunshine days in August - Summersville, KY
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in August
Summersville, KY

Average UV index in August - Summersville, KY
  • 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, February and December (UV index 2).

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Average cloud cover in August
Summersville, KY

Average cloud cover in August - Summersville, KY
  • Average cloud cover in August: 30

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Summersville, KY

Average visibility in August - Summersville, KY
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

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Summersville, Kentucky, USA

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