August weather forecastGreat Smoky Mountains National Park, TN

August
Weather in August
August heralds the waning of summer at the Great Smoky Mountains National Park. Cooler winds may be felt, signaling the approaching conclusion of the summer season. While temperatures retain their warm feel, rainfall takes a significant dip from a peaky July, dropping to 4.5" (114mm). The green canopies flourish under persistent sunshine that still dominates the majority of the day. Occasional shower notwithstanding, August offers warm yet calming weather conducive to various outdoor activities.Temperature
August registers an average high-temperature of a still pleasant 70°F (21.1°C), slightly varied from July's 71.1°F (21.7°C). An average low-temperature of 55°F (12.8°C) is anticipated throughout the nights during August.Rainfall
In Great Smoky Mountains National Park, during August, the rain falls for 11 days and regularly aggregates up to 4.53" (115mm) of precipitation. In Great Smoky Mountains National Park, Tennessee, during the entire year, the rain falls for 123 days and collects up to 72.13" (1832mm) of precipitation.Snowfall
In Great Smoky Mountains National Park, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 28min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:37 pm. On the last day of August, sunrise is at 7:05 am and sunset at 8:02 pm EDT.
Sunshine
In Great Smoky Mountains National Park, the average sunshine in August is 8h.UV index
In August, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 9 in August suggests the following recommendations:
Skin and eyes are vulnerable without protection. Ensure you always take precautions. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Great Smoky Mountains National Park, TN
- Average high temperature in August: 70°F
The warmest month (with the highest average high temperature) is July (71°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in August: 55°F
The months with the highest average low temperature are July and August (55°F).
The coldest month (with the lowest average low temperature) is January (20°F).
Average rainfall in August
Great Smoky Mountains National Park, TN
- Average rainfall in August: 4.5"
The wettest month (with the highest rainfall) is July (7.6").
The driest month (with the least rainfall) is October (4.3").
Average rainfall days in August
Great Smoky Mountains National Park, TN
- Average rainfall days in August: 11 days
The month with the highest number of rainy days is July (14 days).
The months with the least rainy days are September, October and November (8 days).
Average snowfall in August
Great Smoky Mountains National Park, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (18.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Great Smoky Mountains National Park, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Great Smoky Mountains National Park, TN
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 8h
The months with the most sunshine are May, June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 4h).
Average UV index in August
Great Smoky Mountains National Park, TN
- Average UV index in August: 9
The months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).





