Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The advent of August signifies a minor shift to an average high-temperature of a still hot 86.5°F (30.3°C), aligning closely with July. Rockcastle sees an average low-temperature of 67.3°F (19.6°C) during August.Heat index
The heat index value during August is evaluated at a very hot 98.6°F (37°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In August, the average relative humidity is 76%.Rainfall
In Rockcastle, during August, the rain falls for 14.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Rockcastle, during the entire year, the rain falls for 160.8 days and collects up to 35.79" (909mm) of precipitation.Snowfall
In Rockcastle, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:58 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in August in Rockcastle is 10.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August in Rockcastle?
How long on average sun shines in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Rockcastle, KY
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in August: 67.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in August
Rockcastle, KY
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Rockcastle, KY
- Average wind speed in August: 5.3mph
The windiest months (with the highest average wind speed) are February and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in August
Rockcastle, KY
- Average humidity in August: 76%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Rockcastle, KY
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is February (4.45").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in August
Rockcastle, KY
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in August
Rockcastle, 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 and September (0").
Average snowfall days in August
Rockcastle, KY
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (4.8 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
Rockcastle, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in August
Rockcastle, KY
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in August
Rockcastle, 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).
Average cloud cover in August
Rockcastle, KY
- Average cloud cover in August: 29
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in August
Rockcastle, KY
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Rockcastle, Kentucky, USA
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