August weather forecast
Belfast, TN

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Weather in August

August, the last month of the summer in Belfast, is another tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 67.5°F (19.7°C).

Temperature

Belfast in August witnesses an average high-temperature of a still tropical 86.5°F (30.3°C), indicating a slight variation from July's 87.4°F (30.8°C). Nighttime temperature dips to a mean of 67.5°F (19.7°C) during August.

Heat index

August's heat index is estimated at a very hot 98.6°F (37°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In Belfast, Tennessee, the average relative humidity in August is 76%.

Rainfall

In Belfast, Tennessee, during August, the rain falls for 17.5 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, in Belfast, there are 173.6 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Belfast.

Daylight

In Belfast, the average length of the day in August is 13h and 27min.
On the first day of August, sunrise is at 5:56 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:14 pm CDT.

Sunshine

In Belfast, Tennessee, the average sunshine in August is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Belfast. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot does it get in Belfast in August?

The high-temperature during August is 86.5°F (30.3°C) and the low-temperature is 67.5°F (19.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 98.6°F (37°C).

What is the average humidity in August in Belfast?

In Belfast, the average relative humidity in August is 76%.

How much does it rain in Belfast in August?

In Belfast, in August, during 17.5 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

When it does not snow in Belfast?

May through October are months without snowfall.

What is the average length of the day in August in Belfast?

In August, the average day length in Belfast is 13h and 27min.

When is the sunrise / sunset in August in Belfast?

On the first day of August in Belfast, Tennessee, sunrise is at 5:56 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:14 pm CDT.

How many hours of sunshine does Belfast have in August?

In August, the average sunshine duration is 10.1h.

What are the months with the highest UV index in Belfast?

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

What is the UV index reading in August in Belfast?

In August, the average daily maximum UV index in Belfast, Tennessee, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe 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
Belfast, TN

Average temperature in August - Belfast, TN
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in August: 67.5°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in August
Belfast, TN

Average pressure in August - Belfast, TN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in August
Belfast, TN

Average wind speed in August - Belfast, TN
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in August
Belfast, TN

Average humidity in August - Belfast, TN
  • Average humidity in August: 76%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Belfast, TN

Average rainfall in August - Belfast, TN
  • Average rainfall in August: 3.7"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in August
Belfast, TN

Average rainfall days in August - Belfast, TN
  • Average rainfall days in August: 17.5 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in August
Belfast, TN

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

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

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Average snowfall days in August
Belfast, TN

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

The month with the highest number of snowfall days is February (2.6 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
Belfast, TN

Average daylight in August / Average sunshine in August - Belfast, 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: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Belfast, TN

Average sunshine days in August - Belfast, TN
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in August
Belfast, TN

Average UV index in August - Belfast, TN
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Belfast, TN

Average cloud cover in August - Belfast, TN
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in August
Belfast, TN

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

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

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Belfast, Tennessee, USA

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