August weather forecast
Hatteras, NC

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Weather in August

In Hatteras, August transitions seamlessly from July's sun-filled days, and preludes to a slightly cooler September. Sunshine hours remain relatively long, offering 10.7 hours of sunlight. Driving conditions remain optimal with a visibility of 6 miles. At 81°F (27.2°C), the sea holds onto July's hot temperatures. This is complemented with fairly strong winds and gusts; their average speeds fall at 12mph (19.3km/h) and 17.6mph (28.3km/h), respectively.

Temperature

The shift to August in Hatteras signals an average high-temperature of a still warm 81.1°F (27.3°C), subtly varied from July's 81.5°F (27.5°C). The month of August in Hatteras is marked by an average minimum temperature of 77.7°F (25.4°C), slightly cooler than its daytime counterpart.

Heat index

August's heat index is appraised at a hot 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In Hatteras, North Carolina, the average relative humidity in August is 78%.

Rainfall

The month with the most rainfall in Hatteras is August, when the rain falls for 13.3 days and typically aggregates up to 1.06" (27mm) of precipitation.

Snowfall

April through November are months without snowfall in Hatteras.

Ocean temperature

July and August, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater.
Note: Swimming, diving, and other water endeavors at temperatures between 77°F (25°C) and 84.2°F (29°C) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

In August, the average length of the day in Hatteras is 13h and 26min.
On the first day of August, sunrise is at 6:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August in Hatteras is 10.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during August leads to these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! Sand and water reflections can notably increase the UV radiation intensity.
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Frequently asked questions

What is the temperature in August in Hatteras?

During August, Hatteras experiences an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 77.7°F (25.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in August in Hatteras?

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

What is the wettest month in Hatteras?

The month with the most rainfall is August, when the rain falls for 13.3 days and typically aggregates up to 1.06" (27mm) of precipitation.

How many days does it rain in August in Hatteras?

In Hatteras, in August, during 13.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Hatteras?

April through November are months without snowfall in Hatteras, North Carolina.

What months are the ocean warmest in Hatteras?

The months with the warmest seawater are July and August, with an average ocean temperature of 80.6°F (27°C).

How warm is the water in August in Hatteras?

In Hatteras, North Carolina, the average seawater temperature in August is 80.6°F (27°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Hatteras have in August?

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

What time are sunrise and sunset in August in Hatteras?

On the first day of August, sunrise is at 6:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Hatteras have in August?

In August, the average sunshine duration in Hatteras is 10.7h.

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

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in August in Hatteras?

The average daily maximum UV index in August in Hatteras, North Carolina, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Hatteras, NC

Average temperature in August - Hatteras, NC
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in August: 77.7°F

The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in August
Hatteras, NC

Average pressure in August - Hatteras, NC
  • Average pressure in August: 30"Hg

The months with the highest atmospheric pressure are January, November and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in August
Hatteras, NC

Average wind speed in August - Hatteras, NC
  • Average wind speed in August: 12mph

The windiest month (with the highest average wind speed) is March (17mph).
The calmest month (with the lowest average wind speed) is August (12mph).

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Average humidity in August
Hatteras, NC

Average humidity in August - Hatteras, NC
  • Average humidity in August: 78%

The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Hatteras, NC

Average rainfall in August - Hatteras, NC
  • Average rainfall in August: 1.06"

The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in August
Hatteras, NC

Average rainfall days in August - Hatteras, NC
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall days in August
Hatteras, NC

Average snowfall days in August - Hatteras, NC
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January, February, March and December (0.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in August
Hatteras, NC

Average sea temperature in August - Hatteras, NC
  • Average sea temperature in August: 81°F

The best months for swimming (with the highest average sea temperature) are July and August (81°F).
The coldest month (with the lowest average sea temperature) is February (61°F).

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Average daylight in August /
Average sunshine in August
Hatteras, NC

Average daylight in August / Average sunshine in August - Hatteras, NC
  • 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: 10h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

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Average sunshine days in August
Hatteras, NC

Average sunshine days in August - Hatteras, NC
  • Average sunshine days in August: 11.4 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in August
Hatteras, NC

Average UV index in August - Hatteras, NC
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in August
Hatteras, NC

Average cloud cover in August - Hatteras, NC
  • Average cloud cover in August: 29

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in August
Hatteras, NC

Average visibility in August - Hatteras, NC
  • Average visibility in August: 6mi

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

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Hatteras, North Carolina, USA

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