August weather forecast
Riverwood, TN

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Weather in August

The last month of the summer, August, is another tropical month in Riverwood, Tennessee, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 86.9°F (30.5°C).

Temperature

The average high-temperature during August is a still hot 86.9°F (30.5°C), almost matching the conditions of the preceding month. An average nighttime temperature of 67.6°F (19.8°C) is noted during the month of August.

Heat index

The heat index in August is evaluated at a very hot 100.4°F (38°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
One should consider that heat index numbers are for shaded settings and light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Riverwood, in August, during 13.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 123.1 rainfall days, and 12.76" (324mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 29min.
On the first day of the month, sunrise is at 5:53 am and sunset at 7:49 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:13 pm CDT.

Sunshine

In August, the average sunshine is 10.4h.

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 threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

Is it hot during August?

In Riverwood, in August, the average high-temperature is 86.9°F (30.5°C), and the average low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 100.4°F (38°C).

What is the average humidity in August?

In August, the average relative humidity is 75%.

How much does it rain in August?

In Riverwood, Tennessee, in August, during 13.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow?

In Riverwood, snow does not fall in April through October.

What is the average length of the day in August?

In August, the average day length is 13h and 29min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:53 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:13 pm CDT.

How long on average sun shines in August?

In Riverwood, the average sunshine duration in August is 10.4h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Riverwood, TN

Average temperature in August - Riverwood, 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
Riverwood, TN

Average pressure in August - Riverwood, 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
Riverwood, TN

Average wind speed in August - Riverwood, 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
Riverwood, TN

Average humidity in August - Riverwood, 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
Riverwood, TN

Average rainfall in August - Riverwood, 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
Riverwood, TN

Average rainfall days in August - Riverwood, 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
Riverwood, TN

Average snowfall in August - Riverwood, 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
Riverwood, TN

Average snowfall days in August - Riverwood, 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
Riverwood, TN

Average daylight in August / Average sunshine in August - Riverwood, TN
  • Average daylight in August: 13h and 3min

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 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
Riverwood, TN

Average sunshine days in August - Riverwood, 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
Riverwood, TN

Average UV index in August - Riverwood, 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
Riverwood, TN

Average cloud cover in August - Riverwood, 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
Riverwood, TN

Average visibility in August - Riverwood, 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).

Riverwood, Tennessee, USA

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