August weather forecast
Upper Spencer, KY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Upper Spencer, Kentucky, with an average temperature ranging between min 63.7°F (17.6°C) and max 84.2°F (29°C).

Temperature

August's arrival shows an average high-temperature of a still moderately hot 84.2°F (29°C), hardly different from the previous month. In Upper Spencer, an average nighttime temperature of 63.7°F (17.6°C) is expected during August.

Heat index

The average heat index in August is estimated at a tropical 93.2°F (34°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. 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', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The least humid month is August, with an average relative humidity of 75%.

Rainfall

In August, the rain falls for 15.2 days. Throughout August, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 169.6 rainfall days, and 35.67" (906mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of August, sunrise is at 6:39 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 8:05 pm EDT.

Sunshine

In Upper Spencer, the average sunshine in August is 9.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

August temperatures vary between a high-temperature of 84.2°F (29°C) and a low-temperature of 63.7°F (17.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 93.2°F (34°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 75%.

What is the average humidity in August?

In August, the average relative humidity is 75%.

How much does it rain in August?

In August, the rain falls for 15.2 days. Throughout August, 2.56" (65mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 35min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:39 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 8:05 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 9.9h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In Upper Spencer, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents 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
Upper Spencer, KY

Average temperature in August - Upper Spencer, KY
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in August
Upper Spencer, KY

Average pressure in August - Upper Spencer, KY
  • Average pressure in August: 30"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Upper Spencer, KY

Average wind speed in August - Upper Spencer, KY
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
Upper Spencer, KY

Average humidity in August - Upper Spencer, KY
  • Average humidity in August: 75%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in August
Upper Spencer, KY

Average rainfall in August - Upper Spencer, KY
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in August
Upper Spencer, KY

Average rainfall days in August - Upper Spencer, KY
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in August
Upper Spencer, KY

Average snowfall in August - Upper Spencer, KY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Upper Spencer, KY

Average snowfall days in August - Upper Spencer, KY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Upper Spencer, KY

Average daylight in August / Average sunshine in August - Upper Spencer, 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 month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Upper Spencer, KY

Average sunshine days in August - Upper Spencer, KY
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.4 days).

Average UV index in August
Upper Spencer, KY

Average UV index in August - Upper Spencer, 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).

Average cloud cover in August
Upper Spencer, KY

Average cloud cover in August - Upper Spencer, KY
  • Average cloud cover in August: 31

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Upper Spencer, KY

Average visibility in August - Upper Spencer, KY
  • Average visibility in August: 6mi

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

Upper Spencer, Kentucky, USA

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