August weather forecast
Rocky Hill, TN

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Weather in August

August, the last month of the summer in Rocky Hill, is another tropical month, with an average temperature ranging between max 86.7°F (30.4°C) and min 64.4°F (18°C).

Temperature

Entering August, Rocky Hill's average high-temperature reads a still hot 86.7°F (30.4°C), indicating a close resemblance to the previous month's climate. Despite substantial daily fluctuations, the average low-temperature in Rocky Hill is a refreshing 64.4°F (18°C) during August.

Heat index

The average heat index in August is evaluated at a fiery hot 98.6°F (37°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The least humid month is August, with an average relative humidity of 72%.

Rainfall

In August, the rain falls for 14.4 days. Throughout August, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

In Rocky Hill, Tennessee, snow does not fall in April through September.

Daylight

The average length of the day in August is 13h and 29min.
On the first day of August, sunrise is at 6:44 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:04 pm EDT.

Sunshine

The average sunshine in August in Rocky Hill is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

An average high-temperature, in August, in Rocky Hill, is 86.7°F (30.4°C) and the average low-temperature is 64.4°F (18°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is evaluated at 98.6°F (37°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 72%.

What is the average humidity in August?

In August, the average relative humidity is 72%.

How many days does it rain in August?

In Rocky Hill, in August, it is raining for 14.4 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Rocky Hill?

April through September are months without snowfall.

What is the average length of the day in August?

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 6:44 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:04 pm EDT.

How many hours of sunshine does Rocky Hill have in August?

The average sunshine duration in August is 10.1h.

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 Rocky Hill, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Rocky Hill, TN

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

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in August: 64.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in August
Rocky Hill, TN

Average pressure in August - Rocky Hill, 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
Rocky Hill, TN

Average wind speed in August - Rocky Hill, TN
  • Average wind speed in August: 3.6mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in August
Rocky Hill, TN

Average humidity in August - Rocky Hill, TN
  • Average humidity in August: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in August
Rocky Hill, TN

Average rainfall in August - Rocky Hill, TN
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in August
Rocky Hill, TN

Average rainfall days in August - Rocky Hill, TN
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in August
Rocky Hill, TN

Average snowfall in August - Rocky Hill, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in August
Rocky Hill, TN

Average snowfall days in August - Rocky Hill, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.4 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
Rocky Hill, TN

Average daylight in August / Average sunshine in August - Rocky Hill, 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 1min

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
Rocky Hill, TN

Average sunshine days in August - Rocky Hill, TN
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in August
Rocky Hill, TN

Average UV index in August - Rocky Hill, 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
Rocky Hill, TN

Average cloud cover in August - Rocky Hill, TN
  • Average cloud cover in August: 28

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in August
Rocky Hill, TN

Average visibility in August - Rocky Hill, TN
  • Average visibility in August: 6mi

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

Rocky Hill, Tennessee, USA

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