August weather forecast
Old Zion, TN

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Weather in August

August, the last month of the summer in Old Zion, is also a moderately hot month, with an average temperature fluctuating between 64.2°F (17.9°C) and 85.5°F (29.7°C).

Temperature

The onset of August brings an average high-temperature of a still moderately hot 85.5°F (29.7°C), nearly matching the July temperature. In August, the nighttime temperature lowers to an average of 64.2°F (17.9°C).

Heat index

August's average heat index is estimated at a torrid 96.8°F (36°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in August is 77%.

Rainfall

In Old Zion, in August, it is raining for 17.4 days, with typically 3.07" (78mm) of accumulated precipitation. In Old Zion, during the entire year, the rain falls for 168.8 days and collects up to 34.06" (865mm) of precipitation.

Snowfall

In Old Zion, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 29min.
On the first day of the month, sunrise is at 5:50 am and sunset at 7:46 pm. On the last day of August, in Old Zion, sunrise is at 6:13 am and sunset at 7:10 pm CDT.

Sunshine

In Old Zion, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 in August translates into these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

An average high-temperature, in August, in Old Zion, is 85.5°F (29.7°C) and the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 96.8°F (36°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How much does it rain in August?

In Old Zion, during August, the rain falls for 17.4 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When it does not snow?

In Old Zion, snow does not fall in May through October.

How many hours of daylight does Old Zion have in August?

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

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:50 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:10 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.3h.

What are the months with 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 intensity in August in Old Zion?

In Old Zion, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from 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
Old Zion, TN

Average temperature in August - Old Zion, TN
  • Average high temperature in August: 85.5°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in August
Old Zion, TN

Average pressure in August - Old Zion, TN
  • Average pressure in August: 30"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in August
Old Zion, TN

Average wind speed in August - Old Zion, TN
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in August
Old Zion, TN

Average humidity in August - Old Zion, TN
  • Average humidity in August: 77%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).

Average rainfall in August
Old Zion, TN

Average rainfall in August - Old Zion, TN
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Old Zion, TN

Average rainfall days in August - Old Zion, TN
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in August
Old Zion, TN

Average snowfall in August - Old Zion, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Old Zion, TN

Average snowfall days in August - Old Zion, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.9 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
Old Zion, TN

Average daylight in August / Average sunshine in August - Old Zion, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in August
Old Zion, TN

Average sunshine days in August - Old Zion, TN
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in August
Old Zion, TN

Average UV index in August - Old Zion, 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
Old Zion, TN

Average cloud cover in August - Old Zion, TN
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in August
Old Zion, TN

Average visibility in August - Old Zion, TN
  • Average visibility in August: 5mi

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

Old Zion, Tennessee, USA

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