July weather forecast
North Myrtle Beach, SC

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Weather in July

North Myrtle Beach in July experiences the peak of the summer season. The hot temperatures from June spill over into July, marking it as the warmest month of the year. An important trait of July is the increased precipitation, lending a sense of unpredictable excitement to the summer heat. Being the heart of summer, the beach-front city enjoys extended vacation periods, with visitors flocking in hordes. With temperatures soaring up to 86.7°F (30.4°C), the beach proves to be a sanctuary, providing a gulp of refreshment.

Temperature

July proves to be the warmest month in North Myrtle Beach, recording an average peak temperature of 86.7°F (30.4°C) and a minimum temperature of 75.9°F (24.4°C).

Heat index

The heat index in July is estimated at a sweltering 100.4°F (38°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in July in North Myrtle Beach is 77%.

Rainfall

In July, the rain falls for 14.2 days. Throughout July, 1.14" (29mm) of precipitation is accumulated. In North Myrtle Beach, during the entire year, the rain falls for 115.4 days and collects up to 10.75" (273mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In July, the average length of the day in North Myrtle Beach is 14h and 8min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:29 pm. On the last day of July, in North Myrtle Beach, sunrise is at 6:26 am and sunset at 8:15 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 11h of sunshine.

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 threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during July translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the hottest time of year in North Myrtle Beach?

July is the warmest month in North Myrtle Beach, exhibiting average temperatures of 86.7°F (30.4°C) at the peak and 75.9°F (24.4°C) at the base.

How hot is July in North Myrtle Beach?

An average high-temperature, in July, in North Myrtle Beach, is 86.7°F (30.4°C) and the average low-temperature is 75.9°F (24.4°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 100.4°F (38°C).

What is the average humidity in July in North Myrtle Beach?

In North Myrtle Beach, South Carolina, the average relative humidity in July is 77%.

How many days does it rain in July in North Myrtle Beach?

In North Myrtle Beach, in July, during 14.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When it does not snow in North Myrtle Beach?

April through November are months without snowfall in North Myrtle Beach.

How many hours of daylight does North Myrtle Beach have in July?

The average day length in July in North Myrtle Beach, South Carolina, is 14h and 8min.

When are sunrise and sunset in July in North Myrtle Beach?

On the first day of July, sunrise is at 6:07 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:15 pm EDT.

What month has the most sunshine in North Myrtle Beach?

With an average of 11h of sunshine, July has the most sunshine of the year in North Myrtle Beach.

How long on average sun shines in July in North Myrtle Beach?

In July, the average sunshine duration is 11h.

What are the months with the highest UV index in North Myrtle Beach?

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

What is the UV index reading in July in North Myrtle Beach?

In July, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
North Myrtle Beach, SC

Average temperature in July - North Myrtle Beach, SC
  • Average high temperature in July: 86.7°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in July: 75.9°F

The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in July
North Myrtle Beach, SC

Average pressure in July - North Myrtle Beach, SC
  • Average pressure in July: 29.99"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in July
North Myrtle Beach, SC

Average wind speed in July - North Myrtle Beach, SC
  • Average wind speed in July: 8.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in July
North Myrtle Beach, SC

Average humidity in July - North Myrtle Beach, SC
  • Average humidity in July: 77%

The months with the highest relative humidity are May, June, August and December (78%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in July
North Myrtle Beach, SC

Average rainfall in July - North Myrtle Beach, SC
  • Average rainfall in July: 1.14"

The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in July
North Myrtle Beach, SC

Average rainfall days in July - North Myrtle Beach, SC
  • Average rainfall days in July: 14.2 days

The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall days in July
North Myrtle Beach, SC

Average snowfall days in July - North Myrtle Beach, SC
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (0.4 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 daylight in July /
Average sunshine in July
North Myrtle Beach, SC

Average daylight in July / Average sunshine in July - North Myrtle Beach, SC
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in July
North Myrtle Beach, SC

Average sunshine days in July - North Myrtle Beach, SC
  • Average sunshine days in July: 11.6 days

The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is August (10.8 days).

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Average UV index in July
North Myrtle Beach, SC

Average UV index in July - North Myrtle Beach, SC
  • 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
North Myrtle Beach, SC

Average cloud cover in July - North Myrtle Beach, SC
  • Average cloud cover in July: 26

The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in July
North Myrtle Beach, SC

Average visibility in July - North Myrtle Beach, SC
  • 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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North Myrtle Beach, South Carolina, USA

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