August weather forecast
Greenville, KY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Greenville, Kentucky, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 85.6°F (29.8°C).

Temperature

Transitioning into August, Greenville records an average high-temperature of a warm 85.6°F (29.8°C), almost identical to July's 86.5°F (30.3°C). In Greenville, in August, the average low-temperature is an enjoyable 66.6°F (19.2°C).

Heat index

During August, the heat index is estimated at a very hot 96.8°F (36°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. 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. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Greenville, the average relative humidity in August is 76%.

Rainfall

In Greenville, in August, it is raining for 15.2 days, with typically 2.09" (53mm) of accumulated precipitation. In Greenville, during the entire year, the rain falls for 150.9 days and collects up to 23.46" (596mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 33min.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:55 pm. On the last day of August, in Greenville, sunrise is at 6:19 am and sunset at 7:18 pm CDT.

Sunshine

In August, the average sunshine in Greenville is 10.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is it in Greenville in August?

The average high-temperature, in August, in Greenville, is 85.6°F (29.8°C), while the average low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 96.8°F (36°C).

What is the average humidity in August in Greenville?

In August, the average relative humidity in Greenville, Kentucky, is 76%.

How much does it rain in Greenville in August?

In August, in Greenville, Kentucky, the rain falls for 15.2 days. Throughout August, 2.09" (53mm) of precipitation is accumulated.

When it does not snow in Greenville?

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

How many hours of daylight does Greenville have in August?

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

When is the sunrise / sunset in August in Greenville?

On the first day of August, sunrise is at 5:54 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:18 pm CDT.

How long on average sun shines in August in Greenville?

In August, the average sunshine duration in Greenville, Kentucky, is 10.5h.

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

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

What is the UV index intensity in August in Greenville?

In August, the average daily maximum UV index in Greenville is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Greenville, KY

Average temperature in August - Greenville, KY
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in August: 66.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in August
Greenville, KY

Average pressure in August - Greenville, 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
Greenville, KY

Average wind speed in August - Greenville, KY
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in August
Greenville, KY

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Greenville, KY

Average rainfall in August - Greenville, KY
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is February (2.52").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in August
Greenville, KY

Average rainfall days in August - Greenville, KY
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in August
Greenville, KY

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

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Greenville, KY

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

The month with the highest number of snowfall days is January (4.8 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
Greenville, KY

Average daylight in August / Average sunshine in August - Greenville, KY
  • Average daylight in August: 13h and 3min

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 42min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in August
Greenville, KY

Average sunshine days in August - Greenville, KY
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in August
Greenville, KY

Average UV index in August - Greenville, 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
Greenville, KY

Average cloud cover in August - Greenville, KY
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in August
Greenville, KY

Average visibility in August - Greenville, KY
  • 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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Greenville, Kentucky, USA

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