August weather forecast
Castell Springs, TN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Castell Springs, Tennessee, with an average temperature fluctuating between 61.2°F (16.2°C) and 83.8°F (28.8°C).

Temperature

August's commencement is accompanied by an average high-temperature of a still warm 83.8°F (28.8°C), diverging marginally from July's 84.6°F (29.2°C). A noticeable temperature swing characterizes Castell Springs's August nights, dipping to an average of 61.2°F (16.2°C).

Heat index

The heat index value for August is appraised at a hot 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The months with the lowest humidity in Castell Springs are July and August, with an average relative humidity of 74%.

Rainfall

In Castell Springs, in August, during 17.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Castell Springs, there are 188.6 rainfall days, and 32.87" (835mm) of precipitation is accumulated.

Snowfall

In Castell Springs, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 30min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:36 pm. On the last day of August, sunrise is at 7:02 am and sunset at 8:00 pm EDT.

Sunshine

In Castell Springs, the average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Castell Springs?

August temperatures in Castell Springs, Tennessee, vary between a high-temperature of 83.8°F (28.8°C) and a low-temperature of 61.2°F (16.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 91.4°F (33°C).

What is the least humid month in Castell Springs?

July and August, with an average relative humidity of 74%, are the least humid months in Castell Springs, Tennessee.

What is the average humidity in August in Castell Springs?

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

How much does it rain in Castell Springs in August?

In Castell Springs, in August, it is raining for 17.4 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Castell Springs?

In Castell Springs, Tennessee, snow does not fall in May through September.

What is the average length of the day in August in Castell Springs?

The average day length in August in Castell Springs is 13h and 30min.

What time are sunrise and sunset in August in Castell Springs?

On the first day of August in Castell Springs, Tennessee, sunrise is at 6:38 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:00 pm EDT.

How long on average sun shines in August in Castell Springs?

The average sunshine duration in August in Castell Springs, Tennessee, is 10.4h.

What is the month with the highest UV index in Castell Springs?

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

What is the UV index intensity in August in Castell Springs?

The average daily maximum UV index in August in Castell Springs, Tennessee, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Castell Springs, TN

Average temperature in August - Castell Springs, TN
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in August
Castell Springs, TN

Average pressure in August - Castell Springs, TN
  • Average pressure in August: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in August
Castell Springs, TN

Average wind speed in August - Castell Springs, TN
  • Average wind speed in August: 3.7mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in August
Castell Springs, TN

Average humidity in August - Castell Springs, TN
  • Average humidity in August: 74%

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

Average rainfall in August
Castell Springs, TN

Average rainfall in August - Castell Springs, TN
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in August
Castell Springs, TN

Average rainfall days in August - Castell Springs, TN
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in August
Castell Springs, TN

Average snowfall in August - Castell Springs, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Castell Springs, TN

Average snowfall days in August - Castell Springs, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Castell Springs, TN

Average daylight in August / Average sunshine in August - Castell Springs, 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 42min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in August
Castell Springs, TN

Average sunshine days in August - Castell Springs, TN
  • Average sunshine days in August: 9.7 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in August
Castell Springs, TN

Average UV index in August - Castell Springs, 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
Castell Springs, TN

Average cloud cover in August - Castell Springs, TN
  • Average cloud cover in August: 28

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in August
Castell Springs, TN

Average visibility in August - Castell Springs, TN
  • Average visibility in August: 6mi

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

Castell Springs, Tennessee, USA

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