August weather forecast
Erwin, TN

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Weather in August

August, the last month of the summer in Erwin, is also a moderately hot month, with an average temperature varying between 81°F (27.2°C) and 57.7°F (14.3°C).

Temperature

On the advent of August, Erwin's average high-temperature exhibits a minor adjustment to a still warm 81°F (27.2°C) from July's 82°F (27.8°C). During August, Erwin detects a significant contrast from its daytime temperatures, with nights averaging at a moderate 57.7°F (14.3°C).

Heat index

The heat index value for August is evaluated at a tropical 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In Erwin, the average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 17.3 days. Throughout August, 2.8" (71mm) of precipitation is accumulated. In Erwin, during the entire year, the rain falls for 173.4 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

May through September are months without snowfall in Erwin.

Daylight

In August, the average length of the day is 13h and 29min.
On the first day of August, sunrise is at 6:37 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:58 pm EDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

June and August, with an average maximum UV index of 6, are months with the highest UV index in Erwin. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What are the temperatures in Erwin in August?

In Erwin, in August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in August in Erwin?

In August, the average relative humidity is 78%.

How many days does it rain in August in Erwin?

In Erwin, Tennessee, in August, during 17.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Erwin?

In Erwin, snow does not fall in May through September.

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

In August, the average day length in Erwin is 13h and 29min.

What time are sunrise and sunset in August in Erwin?

In August, on the first day of the month, sunrise is at 6:37 am and sunset at 8:34 pm. On the last day of the month, in Erwin, sunrise is at 7:01 am and sunset at 7:58 pm EDT.

How many hours of sunshine does Erwin have in August?

The average sunshine duration in August is 10.1h.

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

The months with the highest UV index are June and August, with an average maximum UV index of 6.

How high is the UV index in August in Erwin?

In Erwin, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Erwin, TN

Average temperature in August - Erwin, TN
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in August
Erwin, TN

Average pressure in August - Erwin, 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).

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Average wind speed in August
Erwin, TN

Average wind speed in August - Erwin, TN
  • Average wind speed in August: 3.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in August
Erwin, TN

Average humidity in August - Erwin, TN
  • Average humidity in August: 78%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in August
Erwin, TN

Average rainfall in August - Erwin, TN
  • Average rainfall in August: 2.8"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in August
Erwin, TN

Average rainfall days in August - Erwin, TN
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in August
Erwin, TN

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

The month with the highest snowfall is December (3.7").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Erwin, TN

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

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Erwin, TN

Average daylight in August / Average sunshine in August - Erwin, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in August
Erwin, TN

Average sunshine days in August - Erwin, TN
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index in August
Erwin, TN

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

The months with the highest UV index are June 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
Erwin, TN

Average cloud cover in August - Erwin, TN
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 34).

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Average visibility in August
Erwin, TN

Average visibility in August - Erwin, TN
  • Average visibility in August: 5mi

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

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Erwin, Tennessee, USA

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