August weather forecastRoan Mountain, TN
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Roan Mountain, Tennessee, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 78.6°F (25.9°C).Temperature
The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 78.6°F (25.9°C) from July's 80.1°F (26.7°C). Roan Mountain, during the month of August, experiences an average low-temperature of 57.7°F (14.3°C).Humidity
In Roan Mountain, the average relative humidity in August is 78%.Rainfall
In Roan Mountain, in August, during 18 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 178 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Roan Mountain is 13h and 29min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:59 am and sunset at 7:57 pm EDT.
Sunshine
The average sunshine in August is 10.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 5 during August translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Roan Mountain, TN
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in August: 57.7°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in August
Roan Mountain, TN
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in August
Roan Mountain, TN
- Average wind speed in August: 3.6mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in August
Roan Mountain, TN
- Average humidity in August: 78%
The months with the highest relative humidity are February, March, May and December (80%).
The months with the lowest relative humidity are June and November (77%).
Average rainfall in August
Roan Mountain, TN
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in August
Roan Mountain, TN
- Average rainfall days in August: 18 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in August
Roan Mountain, TN
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Roan Mountain, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Roan Mountain, TN
- 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: 10h and 6min
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: 5h and 12min).
Average sunshine days in August
Roan Mountain, TN
- Average sunshine days in August: 9.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9 days).
Average UV index in August
Roan Mountain, TN
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Roan Mountain, TN
- Average cloud cover in August: 36
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in August
Roan Mountain, TN
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
