August weather forecast
Lake Vista, TN

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Weather in August

The last month of the summer, August, is also a hot month in Lake Vista, Tennessee, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 65.8°F (18.8°C).

Temperature

With the onset of August, the average high-temperature stands at a still hot 87.4°F (30.8°C), closely aligned with July's 88.9°F (31.6°C). Lake Vista, after hot August days, encounters a marked drop to an average nighttime temperature of 65.8°F (18.8°C).

Heat index

August's average heat index is estimated at a very hot 102.2°F (39°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Lake Vista, the average relative humidity in August is 75%.

Rainfall

In Lake Vista, Tennessee, in August, it is raining for 17.8 days, with typically 3.35" (85mm) of accumulated precipitation. In Lake Vista, during the entire year, the rain falls for 172.9 days and collects up to 40.35" (1025mm) of precipitation.

Snowfall

In Lake Vista, Tennessee, snow does not fall in May through October.

Daylight

The average length of the day in August in Lake Vista is 13h and 26min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:43 pm. On the last day of August, sunrise is at 7:13 am and sunset at 8:08 pm EDT.

Sunshine

In August, the average sunshine in Lake Vista is 9.4h.

UV index

The months with the highest UV index in Lake Vista are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

Is it hot in Lake Vista during August?

The high-temperature during August is 87.4°F (30.8°C) and the low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 102.2°F (39°C).

What is the average humidity in August in Lake Vista?

In August, the average relative humidity in Lake Vista, Tennessee, is 75%.

How many days does it rain in August in Lake Vista?

In Lake Vista, during August, the rain falls for 17.8 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow in Lake Vista?

May through October are months without snowfall in Lake Vista.

What is the average length of the day in August in Lake Vista?

In August, the average day length in Lake Vista is 13h and 26min.

What time are sunrise and sunset in August in Lake Vista?

On the first day of August in Lake Vista, sunrise is at 6:50 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:08 pm EDT.

How many hours of sunshine does Lake Vista have in August?

In Lake Vista, Tennessee, the average sunshine duration in August is 9.4h.

What is the month with the highest UV index in Lake Vista?

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

How high is the UV index in August in Lake Vista?

In Lake Vista, Tennessee, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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
Lake Vista, TN

Average temperature in August - Lake Vista, TN
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in August
Lake Vista, TN

Average pressure in August - Lake Vista, 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 (29.98"Hg).

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Average wind speed in August
Lake Vista, TN

Average wind speed in August - Lake Vista, TN
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

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Average humidity in August
Lake Vista, TN

Average humidity in August - Lake Vista, TN
  • Average humidity in August: 75%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Lake Vista, TN

Average rainfall in August - Lake Vista, TN
  • Average rainfall in August: 3.35"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").

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Average rainfall days in August
Lake Vista, TN

Average rainfall days in August - Lake Vista, TN
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in August
Lake Vista, TN

Average snowfall in August - Lake Vista, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Lake Vista, TN

Average snowfall days in August - Lake Vista, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Lake Vista, TN

Average daylight in August / Average sunshine in August - Lake Vista, TN
  • Average daylight in August: 13h and 2min

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: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in August
Lake Vista, TN

Average sunshine days in August - Lake Vista, TN
  • Average sunshine days in August: 11.2 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).

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Average UV index in August
Lake Vista, TN

Average UV index in August - Lake Vista, 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 and December (UV index 2).

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Average cloud cover in August
Lake Vista, TN

Average cloud cover in August - Lake Vista, TN
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in August
Lake Vista, TN

Average visibility in August - Lake Vista, TN
  • Average visibility in August: 6mi

The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).

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Lake Vista, Tennessee, USA

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