August weather forecast
May, KY

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Weather in August

The last month of the summer, August, is also a moderately hot month in May, Kentucky, with an average temperature varying between 59.5°F (15.3°C) and 82.8°F (28.2°C).

Temperature

The high-temperature average in August for May is a still moderately hot 82.8°F (28.2°C), staying closely aligned with July's conditions. May's nighttime temperatures in August reflect a stark contrast to the day's highs, falling to an average low of 59.5°F (15.3°C).

Heat index

In August, the average heat index is computed to be a hot 89.6°F (32°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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.

Humidity

The average relative humidity in August is 77%.

Rainfall

In August, the rain falls for 18.4 days. Throughout August, 3.03" (77mm) of precipitation is accumulated. In May, during the entire year, the rain falls for 195.8 days and collects up to 40.35" (1025mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In May, the average length of the day in August is 13h and 33min.
On the first day of the month, sunrise is at 6:36 am and sunset at 8:38 pm. On the last day of August, sunrise is at 7:01 am and sunset at 8:01 pm EDT.

Sunshine

In May, the average sunshine in August is 9.8h.

UV index

May, June and 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 unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The high-temperature during August is 82.8°F (28.2°C) and the low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How many days does it rain in August?

In May, in August, it is raining for 18.4 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:36 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:01 pm EDT.

How many hours of sunshine does May have in August?

In August, the average sunshine duration is 9.8h.

When is the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
May, KY

Average temperature in August - May, KY
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in August
May, KY

Average pressure in August - May, KY
  • Average pressure in August: 30.02"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in August
May, KY

Average wind speed in August - May, KY
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in August
May, KY

Average humidity in August - May, KY
  • Average humidity in August: 77%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in August
May, KY

Average rainfall in August - May, KY
  • Average rainfall in August: 3.03"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in August
May, KY

Average rainfall days in August - May, KY
  • Average rainfall days in August: 18.4 days

The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).

Average snowfall in August
May, KY

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

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
May, KY

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

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - May, 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 36min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
May, KY

Average sunshine days in August - May, KY
  • Average sunshine days in August: 10.7 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).

Average UV index in August
May, KY

Average UV index in August - May, KY
  • Average UV index in August: 6

The months with the highest UV index are May, June 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
May, KY

Average cloud cover in August - May, KY
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
May, KY

Average visibility in August - May, KY
  • Average visibility in August: 5mi

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

May, Kentucky, USA

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