January weather forecast
Myrtle Beach, SC

The glorious Myrtle Beach in South Carolina, with lit city buildings
The glorious Myrtle Beach in South Carolina, with lit city buildings

Weather in January

January, the same as December, is another fresh winter month in Myrtle Beach, South Carolina, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 42.1°F (5.6°C).

Temperature

With an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 42.1°F (5.6°C), January is the coldest month.

Humidity

January and November, with an average relative humidity of 74%, are the least humid months in Myrtle Beach.

Rainfall

The month with the least rainfall is January, when the rain falls for 10.3 days and typically collects 1.02" (26mm) of precipitation.

Snowfall

Months with snowfall in Myrtle Beach are January, February and December. In January, in Myrtle Beach, South Carolina, it is snowing for 0.4 days. Throughout January, 0.04" (1mm) of snow is accumulated. Throughout the year, there are 1 snowfall days, and 0.16" (4mm) of snow is accumulated.

Ocean temperature

In January, the average ocean temperature is 60.8°F (16°C).
Note: For most, swimming in 60.8°F (16°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Myrtle Beach, the average length of the day in January is 10h and 13min.
On the first day of January, sunrise is at 7:20 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:45 pm EST.

Sunshine

In Myrtle Beach, the average sunshine in January is 5.7h.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in January interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the coldest month in Myrtle Beach?

The coldest month in Myrtle Beach, South Carolina, is January, with an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 42.1°F (5.6°C).

What is the temperature in January in Myrtle Beach?

The average high-temperature, in January, in Myrtle Beach, South Carolina, is 54.3°F (12.4°C), while the average low-temperature is 42.1°F (5.6°C).

What is the least humid month in Myrtle Beach?

January and November, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in January in Myrtle Beach?

In January, the average relative humidity in Myrtle Beach is 74%.

What is the driest month in Myrtle Beach?

The month with the least rainfall in Myrtle Beach, South Carolina, is January, when the rain falls for 10.3 days and typically collects 1.02" (26mm) of precipitation.

How much does it rain in Myrtle Beach in January?

In January, in Myrtle Beach, the rain falls for 10.3 days. Throughout January, 1.02" (26mm) of precipitation is accumulated.

How much does it snow in Myrtle Beach in January?

In January, it is snowing for 0.4 days. Throughout January, 0.04" (1mm) of snow is accumulated.

What is the ocean temperature in January in Myrtle Beach?

In January, the average ocean temperature in Myrtle Beach is 60.8°F (16°C). Swimming in 60.8°F (16°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in January in Myrtle Beach?

In January, the average day length in Myrtle Beach is 10h and 13min.

When are sunrise and sunset in January in Myrtle Beach?

On the first day of January, sunrise is at 7:20 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:45 pm EST.

How many hours of sunshine does Myrtle Beach have in January?

In Myrtle Beach, the average sunshine duration in January is 5.7h.

What is the month with the lowest UV index in Myrtle Beach?

With an average maximum UV index of 3, January is the month with the lowest UV index in Myrtle Beach, South Carolina.

How high is the UV index in January in Myrtle Beach?

In January, the average daily maximum UV index in Myrtle Beach is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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 January
Myrtle Beach, SC

Average temperature in January - Myrtle Beach, SC
  • Average high temperature in January: 54.3°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 (54.3°F).

  • Average low temperature in January: 42.1°F

The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).

[Resources]

Average pressure in January
Myrtle Beach, SC

Average pressure in January - Myrtle Beach, SC
  • Average pressure in January: 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).

[Resources]

Average wind speed in January
Myrtle Beach, SC

Average wind speed in January - Myrtle Beach, SC
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).

[Resources]

Average humidity in January
Myrtle Beach, SC

Average humidity in January - Myrtle Beach, SC
  • Average humidity in January: 74%

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

[Resources]

Average rainfall in January
Myrtle Beach, SC

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

The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (1.02").

[Resources]

Average rainfall days in January
Myrtle Beach, SC

Average rainfall days in January - Myrtle Beach, SC
  • Average rainfall days in January: 10.3 days

The months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.7 days).

[Resources]

Average snowfall in January
Myrtle Beach, SC

Average snowfall in January - Myrtle Beach, SC
  • Average snowfall in January: 0.04"

The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in January
Myrtle Beach, SC

Average snowfall days in January - Myrtle Beach, SC
  • Average snowfall days in January: 0.4 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).

[Resources]

Average sea temperature in January
Myrtle Beach, SC

Average sea temperature in January - Myrtle Beach, SC
  • Average sea temperature in January: 60.7°F

The best month for swimming (with the highest average sea temperature) is August (82.9°F).
The coldest month (with the lowest average sea temperature) is March (57.7°F).

[Resources]

Average daylight in January /
Average sunshine in January
Myrtle Beach, SC

Average daylight in January / Average sunshine in January - Myrtle Beach, SC
  • Average daylight in January: 10h and 13min

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 58min).

  • Average sunshine in January: 5h and 42min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days in January
Myrtle Beach, SC

Average sunshine days in January - Myrtle Beach, SC
  • Average sunshine days in January: 18.4 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (8.2 days).

[Resources]

Average UV index in January
Myrtle Beach, SC

Average UV index in January - Myrtle Beach, SC
  • Average UV index in January: 3

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).

[Resources]

Average cloud cover in January
Myrtle Beach, SC

Average cloud cover in January - Myrtle Beach, SC
  • Average cloud cover in January: 37

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

[Resources]

Average visibility in January
Myrtle Beach, SC

Average visibility in January - Myrtle Beach, SC
  • Average visibility in January: 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location