August weather forecastHarlan, KY
August
Weather in August
The last month of the summer, August, is another warm month in Harlan, Kentucky, with an average temperature ranging between min 60.6°F (15.9°C) and max 83.7°F (28.7°C).Temperature
The advent of August brings an average high-temperature of a still moderately hot 83.7°F (28.7°C), exhibiting minor difference from the previous month. Harlan records a consistent low-temperature average of 60.6°F (15.9°C) during August, indicating a significant difference from the daytime heat.Heat index
August's heat index is estimated at a tropical 91.4°F (33°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
April, June, August and November, with an average relative humidity of 77%, are the least humid months in Harlan.Rainfall
In Harlan, in August, it is raining for 17.6 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Harlan, there are 190.4 rainfall days, and 40.28" (1023mm) of precipitation is accumulated.Snowfall
In Harlan, snow does not fall in May through September.Daylight
In Harlan, the average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:39 pm. On the last day of August, sunrise is at 7:04 am and sunset at 8:02 pm EDT.
Sunshine
In Harlan, the average sunshine in August is 9.8h.UV index
The months with the highest UV index in Harlan are May, June and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during August leads to these advisories:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harlan, KY
- Average high temperature in August: 83.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in August: 60.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in August
Harlan, KY
- Average pressure in August: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Harlan, KY
- Average wind speed in August: 3.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Harlan, KY
- Average humidity in August: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, August and November (77%).
Average rainfall in August
Harlan, KY
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in August
Harlan, KY
- Average rainfall days in August: 17.6 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in August
Harlan, KY
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Harlan, KY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10 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
Harlan, KY
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Harlan, KY
- Average sunshine days in August: 11.2 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in August
Harlan, 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
Harlan, KY
- Average cloud cover in August: 33
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Harlan, 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).
