July weather forecast
Hatteras, NC

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Weather in July

HatterasJuly weather is robustly summer, with the subsequent month of August maintaining similar heat levels. More daylight at 14.5 hours means more time for outdoor pursuits. The month sees a decrease in the percentage of cloud cover indicating clear skies. On the down side, the UV index ventures dangerously into 7, so sunbathing must be done responsibly. One unique factor about July is the increase in rainfall with 1.02" (26mm) spreading over 13.5 days.

Temperature

During the warmest month, July, temperatures average a high of 81.5°F (27.5°C) and a low of 78.4°F (25.8°C).

Heat index

July's mean heat index is appraised at a hot 87.8°F (31°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The months with the highest humidity are May through July, with an average relative humidity of 79%.

Rainfall

In July, in Hatteras, North Carolina, the rain falls for 13.5 days. Throughout July, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 100.9 rainfall days, and 8.58" (218mm) of precipitation is accumulated.

Snowfall

In Hatteras, snow does not fall in April through November.

Ocean temperature

July and August, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater in Hatteras.
Note: For swimming, diving, or other water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In Hatteras, the average length of the day in July is 14h and 16min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:21 pm. On the last day of July, in Hatteras, sunrise is at 6:11 am and sunset at 8:06 pm EDT.

Sunshine

June and July, with an average of 10.9h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Hatteras, North Carolina, are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 7 during July leads to these advisories:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
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Frequently asked questions

What part of the year is the hottest in Hatteras?

July, with an average high of 81.5°F (27.5°C) and a low of 78.4°F (25.8°C), signifies the warmest month of the year in Hatteras.

What is the usual temperature for Hatteras in July?

Hatteras in July has an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 78.4°F (25.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 87.8°F (31°C).

What is the most humid month in Hatteras?

The months with the highest humidity in Hatteras, North Carolina, are May through July, with an average relative humidity of 79%.

What is the average humidity in July in Hatteras?

In Hatteras, the average relative humidity in July is 79%.

How much does it rain in Hatteras in July?

In Hatteras, in July, it is raining for 13.5 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in Hatteras?

In Hatteras, North Carolina, snow does not fall in April through November.

When is 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 July in Hatteras?

In Hatteras, the average seawater temperature in July is 80.6°F (27°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in July in Hatteras?

In Hatteras, North Carolina, the average day length in July is 14h and 16min.

What time are sunrise and sunset in July in Hatteras?

On the first day of July, sunrise is at 5:52 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:06 pm EDT.

What is the month with the most sunshine in Hatteras?

June and July, with an average of 10.9h of sunshine, are months with the most sunshine in Hatteras, North Carolina.

How many hours of sunshine does Hatteras have in July?

The average sunshine duration in July in Hatteras is 10.9h.

What are the months 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 in Hatteras, North Carolina.

What is the UV index reading in July in Hatteras?

The average daily maximum UV index in July in Hatteras, North Carolina, is 7. 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Hatteras, NC

Average temperature in July - Hatteras, NC
  • Average high temperature in July: 81.5°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 July: 78.4°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 July
Hatteras, NC

Average pressure in July - Hatteras, NC
  • Average pressure in July: 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 July
Hatteras, NC

Average wind speed in July - Hatteras, NC
  • Average wind speed in July: 13.5mph

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 July
Hatteras, NC

Average humidity in July - Hatteras, NC
  • Average humidity in July: 79%

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 July
Hatteras, NC

Average rainfall in July - Hatteras, NC
  • Average rainfall in July: 1.02"

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 July
Hatteras, NC

Average rainfall days in July - Hatteras, NC
  • Average rainfall days in July: 13.5 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 July
Hatteras, NC

Average snowfall days in July - Hatteras, NC
  • Average snowfall days in July: 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 July
Hatteras, NC

Average sea temperature in July - Hatteras, NC
  • Average sea temperature in July: 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 July /
Average sunshine in July
Hatteras, NC

Average daylight in July / Average sunshine in July - Hatteras, NC
  • Average daylight in July: 14h 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 July: 10h and 5min

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 July
Hatteras, NC

Average sunshine days in July - Hatteras, NC
  • Average sunshine days in July: 11.3 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 July
Hatteras, NC

Average UV index in July - Hatteras, NC
  • Average UV index in July: 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 July
Hatteras, NC

Average cloud cover in July - Hatteras, NC
  • Average cloud cover in July: 27

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 July
Hatteras, NC

Average visibility in July - Hatteras, NC
  • Average visibility in July: 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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