August weather forecast
Waterville, TN

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Weather in August

The last month of the summer, August, is also a hot month in Waterville, Tennessee, with an average temperature varying between 87.4°F (30.8°C) and 65.8°F (18.8°C).

Temperature

Waterville's transition from July to August introduces an average high-temperature of a still hot 87.4°F (30.8°C), marking an insignificant variation from the 87.8°F (31°C). Waterville sees a large disparity in day to night temperatures in August, with the night temperature dropping to an average of 65.8°F (18.8°C).

Heat index

The heat index in August is computed to be a fiery hot 102.2°F (39°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The months with the lowest humidity are June through November, with an average relative humidity of 75%.

Rainfall

In Waterville, in August, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 26min.
On the first day of the month, sunrise is at 6:49 am and sunset at 8:42 pm. On the last day of August, in Waterville, Tennessee, sunrise is at 7:11 am and sunset at 8:07 pm EDT.

Sunshine

In August, the average sunshine is 9.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

How hot is August?

An average high-temperature, in August, in Waterville, is 87.4°F (30.8°C) and the average low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 102.2°F (39°C).

What is the least humid month?

The months with the lowest humidity are June through November, with an average relative humidity of 75%.

What is the average humidity in August?

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

How much does it rain in August?

In Waterville, in August, it is raining for 14.8 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Waterville have in August?

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

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:49 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:07 pm EDT.

How long on average sun shines in August?

In Waterville, the average sunshine duration in August is 9.6h.

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 in Waterville?

In Waterville, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes 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
Waterville, TN

Average temperature in August - Waterville, TN
  • Average high temperature in August: 87.4°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 (46.4°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in August
Waterville, TN

Average pressure in August - Waterville, 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).

Average wind speed in August
Waterville, TN

Average wind speed in August - Waterville, TN
  • Average wind speed in August: 3.8mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in August
Waterville, TN

Average humidity in August - Waterville, TN
  • Average humidity in August: 75%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in August
Waterville, TN

Average rainfall in August - Waterville, TN
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in August
Waterville, TN

Average rainfall days in August - Waterville, TN
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in August
Waterville, TN

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Waterville, TN

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

The month with the highest number of snowfall days is February (1.7 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
Waterville, TN

Average daylight in August / Average sunshine in August - Waterville, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in August
Waterville, TN

Average sunshine days in August - Waterville, TN
  • Average sunshine days in August: 12.9 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in August
Waterville, TN

Average UV index in August - Waterville, 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
Waterville, TN

Average cloud cover in August - Waterville, TN
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Waterville, TN

Average visibility in August - Waterville, TN
  • Average visibility in August: 6mi

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

Waterville, Tennessee, USA

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