December weather forecast
North Myrtle Beach, SC

Weather in December

December, the first month of the winter in North Myrtle Beach, is also a moderate month, with an average temperature ranging between max 58.5°F (14.7°C) and min 46.6°F (8.1°C).

Temperature

In North Myrtle Beach, South Carolina, the average high-temperature in December is essentially the same as in November - a moderate 58.5°F (14.7°C). In North Myrtle Beach, in December, the average low-temperature is 46.6°F (8.1°C).

Humidity

The months with the highest humidity in North Myrtle Beach are May, June, August and December, with an average relative humidity of 78%.

Rainfall

In December, in North Myrtle Beach, the rain falls for 7.6 days. Throughout December, 1.02" (26mm) 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

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, there are 0.3 snowfall days. Throughout the year, in North Myrtle Beach, South Carolina, there are 1.1 snowfall days.

Daylight

With an average of 9h and 57min of daylight, December has the shortest days of the year.
On the first day of December in North Myrtle Beach, South Carolina, sunrise is at 7:01 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:16 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

UV index

In December, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What are the most humid months in North Myrtle Beach?

The months with the highest humidity in North Myrtle Beach, South Carolina, are May, June, August and December, with an average relative humidity of 78%.

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

The average relative humidity in December in North Myrtle Beach, South Carolina, is 78%.

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

In North Myrtle Beach, South Carolina, in December, during 7.6 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it start to snow in North Myrtle Beach?

December is the first month it typically snows. Throughout December, there are 0.3 snowfall days.

What is the month with the shortest days in North Myrtle Beach?

The month with the shortest days in North Myrtle Beach, South Carolina, is December, with an average of 9h and 57min of daylight.

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

In December, the average day length in North Myrtle Beach, South Carolina, is 9h and 57min.

What time are sunrise and sunset in December in North Myrtle Beach?

On the first day of December in North Myrtle Beach, sunrise is at 7:01 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:16 pm EST.

What is the month with the least sunshine in North Myrtle Beach?

The months with the least sunshine in North Myrtle Beach are January and December, with an average of 5.6h of sunshine.

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

In North Myrtle Beach, the average sunshine duration in December is 5.6h.

What is the UV index intensity in December in North Myrtle Beach?

In North Myrtle Beach, South Carolina, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
North Myrtle Beach, SC

Average temperature in December - North Myrtle Beach, SC
  • Average high temperature in December: 58.5°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 December: 46.6°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 December
North Myrtle Beach, SC

Average pressure in December - North Myrtle Beach, SC
  • Average pressure in December: 30.13"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 December
North Myrtle Beach, SC

Average wind speed in December - North Myrtle Beach, SC
  • Average wind speed in December: 9.3mph

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 December
North Myrtle Beach, SC

Average humidity in December - North Myrtle Beach, SC
  • Average humidity in December: 78%

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 December
North Myrtle Beach, SC

Average rainfall in December - North Myrtle Beach, SC
  • Average rainfall in December: 1.02"

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 December
North Myrtle Beach, SC

Average rainfall days in December - North Myrtle Beach, SC
  • Average rainfall days in December: 7.6 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 December
North Myrtle Beach, SC

Average snowfall days in December - North Myrtle Beach, SC
  • Average snowfall days in December: 0.3 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 December /
Average sunshine in December
North Myrtle Beach, SC

Average daylight in December / Average sunshine in December - North Myrtle Beach, SC
  • Average daylight in December: 9h and 57min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 57min).

  • Average sunshine in December: 5h and 36min

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 December
North Myrtle Beach, SC

Average sunshine days in December - North Myrtle Beach, SC
  • Average sunshine days in December: 20.9 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 December
North Myrtle Beach, SC

Average UV index in December - North Myrtle Beach, SC
  • Average UV index in December: 4

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 December
North Myrtle Beach, SC

Average cloud cover in December - North Myrtle Beach, SC
  • Average cloud cover in December: 40

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 December
North Myrtle Beach, SC

Average visibility in December - North Myrtle Beach, SC
  • Average visibility in December: 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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