August weather forecast
Surprise, TN

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Weather in August

August, the last month of the summer in Surprise, is another hot month, with an average temperature varying between 86.7°F (30.4°C) and 64.8°F (18.2°C).

Temperature

The onset of August brings with it an average high-temperature of a still hot 86.7°F (30.4°C), showing a negligible variation from the month before. Surprise's nighttime average of 64.8°F (18.2°C) during August reflects a substantial decrease from the daytime temperature.

Heat index

The heat index for August is calculated to be a very hot 98.6°F (37°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

With an average relative humidity of 74%, August is the least humid month in Surprise.

Rainfall

In Surprise, during August, the rain falls for 15.1 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Surprise, during the entire year, the rain falls for 159.4 days and collects up to 35.71" (907mm) of precipitation.

Snowfall

In Surprise, Tennessee, snow does not fall in May 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 6:47 am and sunset at 8:42 pm. On the last day of August, sunrise is at 7:10 am and sunset at 8:06 pm EDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

The months with the highest UV index in Surprise 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 ordinary person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

Is it hot in Surprise during August?

The high-temperature, in August, in Surprise, is 86.7°F (30.4°C), while the low-temperature averages to 64.8°F (18.2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 98.6°F (37°C).

What is the least humid month in Surprise?

August is the least humid month in Surprise, with an average relative humidity of 74%.

What is the average humidity in August in Surprise?

In Surprise, the average relative humidity in August is 74%.

How much does it rain in Surprise in August?

In Surprise, in August, during 15.1 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

When it does not snow in Surprise?

May through September are months without snowfall in Surprise, Tennessee.

How many hours of daylight does Surprise have in August?

In August, the average day length is 13h and 28min.

When are sunrise and sunset in August in Surprise?

On the first day of August in Surprise, sunrise is at 6:47 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 8:06 pm EDT.

How long on average sun shines in August in Surprise?

In Surprise, the average sunshine duration in August is 9.9h.

What is the month with the highest UV index in Surprise?

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 in Surprise?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Surprise, TN

Average temperature in August - Surprise, TN
  • Average high temperature in August: 86.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in August
Surprise, TN

Average pressure in August - Surprise, TN
  • Average pressure in August: 30.01"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in August
Surprise, TN

Average wind speed in August - Surprise, TN
  • Average wind speed in August: 4mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

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Average humidity in August
Surprise, TN

Average humidity in August - Surprise, TN
  • Average humidity in August: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in August
Surprise, TN

Average rainfall in August - Surprise, TN
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in August
Surprise, TN

Average rainfall days in August - Surprise, TN
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in August
Surprise, TN

Average snowfall in August - Surprise, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Surprise, TN

Average snowfall days in August - Surprise, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.1 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
Surprise, TN

Average daylight in August / Average sunshine in August - Surprise, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

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Average sunshine days in August
Surprise, TN

Average sunshine days in August - Surprise, TN
  • Average sunshine days in August: 14 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in August
Surprise, TN

Average UV index in August - Surprise, 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).

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Average cloud cover in August
Surprise, TN

Average cloud cover in August - Surprise, TN
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in August
Surprise, TN

Average visibility in August - Surprise, 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).

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Surprise, Tennessee, USA

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