August weather forecast
Thornhill, KY

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Weather in August

August, the last month of the summer in Thornhill, is another warm month, with an average temperature fluctuating between 85.6°F (29.8°C) and 65.5°F (18.6°C).

Temperature

Thornhill, Kentucky, starts August with an average high-temperature of a warm 85.6°F (29.8°C), hinting at a minimal fluctuation from July. During the nights in August, an average low-temperature of 65.5°F (18.6°C) is observed.

Heat index

August's mean heat index is appraised at a fiery hot 95°F (35°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The least humid month is August, with an average relative humidity of 73%.

Rainfall

In August, the rain falls for 14.6 days. Throughout August, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 168.9 rainfall days, and 34.09" (866mm) of precipitation is accumulated.

Snowfall

In Thornhill, Kentucky, snow does not fall in May through October.

Daylight

In August, the average length of the day in Thornhill, Kentucky, is 13h and 36min.
On the first day of August, sunrise is at 6:45 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:13 pm EDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard 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:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

How hot is August in Thornhill?

August temperatures in Thornhill, Kentucky, vary between a high-temperature of 85.6°F (29.8°C) and a low-temperature of 65.5°F (18.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 95°F (35°C).

What is the least humid month in Thornhill?

The least humid month is August, with an average relative humidity of 73%.

What is the average humidity in August in Thornhill?

The average relative humidity in August in Thornhill, Kentucky, is 73%.

How many days does it rain in August in Thornhill?

In Thornhill, Kentucky, in August, it is raining for 14.6 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow in Thornhill?

May through October are months without snowfall in Thornhill, Kentucky.

How many hours of daylight does Thornhill have in August?

The average day length in August in Thornhill is 13h and 36min.

When are sunrise and sunset in August in Thornhill?

On the first day of August in Thornhill, Kentucky, sunrise is at 6:45 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:13 pm EDT.

How long on average sun shines in August in Thornhill?

In Thornhill, the average sunshine duration in August is 9.8h.

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

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

How high is the UV index in August in Thornhill?

In Thornhill, 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 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
Thornhill, KY

Average temperature in August - Thornhill, 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 (38.8°F).

  • Average low temperature in August: 65.5°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in August
Thornhill, KY

Average pressure in August - Thornhill, KY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Thornhill, KY

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

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in August
Thornhill, KY

Average humidity in August - Thornhill, KY
  • Average humidity in August: 73%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (73%).

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Average rainfall in August
Thornhill, KY

Average rainfall in August - Thornhill, KY
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Thornhill, KY

Average rainfall days in August - Thornhill, KY
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (10.6 days).

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Average snowfall in August
Thornhill, KY

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

The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Thornhill, KY

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

The month with the highest number of snowfall days is January (8.3 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
Thornhill, KY

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in August
Thornhill, KY

Average sunshine days in August - Thornhill, KY
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in August
Thornhill, KY

Average UV index in August - Thornhill, 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, November and December (UV index 2).

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Average cloud cover in August
Thornhill, KY

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Thornhill, KY

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

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

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Thornhill, Kentucky, USA

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