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
Transitioning into August, Rockvale experiences an average high-temperature of a still tropical 86.9°F (30.5°C), marking a minor shift from the preceding month. During August, Rockvale records a consistent average nighttime temperature of 67.6°F (19.8°C).Heat index
The average heat index in August is evaluated at a sweltering 100.4°F (38°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In August, the average relative humidity is 75%.Rainfall
In August, the rain falls for 13.3 days. Throughout August, 1.26" (32mm) of precipitation is accumulated. In Rockvale, during the entire year, the rain falls for 123.1 days and collects up to 12.76" (324mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Rockvale, Tennessee, the average length of the day in August is 13h and 28min.On the first day of August, sunrise is at 5:54 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:14 pm CDT.
Sunshine
The average sunshine in August in Rockvale is 10.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Rockvale. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. 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
How hot does it get in Rockvale in August?
What is the average humidity in August in Rockvale?
How many days does it rain in August in Rockvale?
When it does not snow in Rockvale?
What is the average length of the day in August in Rockvale?
What time are sunrise and sunset in August in Rockvale?
How long on average sun shines in August in Rockvale?
What are the months with the highest UV index in Rockvale?
What is the UV index intensity in August in Rockvale?
Average temperature in August
Rockvale, TN
- Average high temperature in August: 86.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in August: 67.6°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 (30.7°F).
Average pressure in August
Rockvale, TN
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in August
Rockvale, TN
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in August
Rockvale, TN
- Average humidity in August: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Rockvale, TN
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in August
Rockvale, TN
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in August
Rockvale, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Rockvale, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (3.8 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
Rockvale, TN
- Average daylight in August: 13h and 3min
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: 10h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Rockvale, TN
- Average sunshine days in August: 14.2 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in August
Rockvale, TN
- 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
Rockvale, TN
- Average cloud cover in August: 30
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in August
Rockvale, TN
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rockvale, Tennessee, USA
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