Myrtle Beach
South Carolina, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
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
January, like December, is another mild winter month in Myrtle Beach, South Carolina, with average temperature fluctuating between 36.7°F (2.6°C) and 56.3°F (13.5°C).

Temperature

January is the coldest month, with an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 36.7°F (2.6°C).

Rainfall

In Myrtle Beach, during 8.5 rainfall days, 3.3" (84.1mm) of precipitation is typically accumulated. In Myrtle Beach, South Carolina, during the entire year, the rain falls for 92.8 days and collects up to 48.3" (1225.7mm) of precipitation.

Snowfall

In January, in Myrtle Beach, South Carolina, it doesn't snow. December is the latest month when it typically snows. Throughout the year, 0.7" (17.7mm) of snow is accumulated.

Ocean temperature

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).

Daylight

In January, the average length of the day is 10.2h.

Sunshine

January, November and December, with an average of 6h of sunshine, are months with the least sunshine in Myrtle Beach.

UV index

Months with the lowest UV index in Myrtle Beach are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
The average daily UV index of 3 in January transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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.

What is the coldest month in Myrtle Beach?

With an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 36.7°F (2.6°C), January is the coldest month.

What is the temperature in January in Myrtle Beach?

The average high-temperature, in January, in Myrtle Beach, South Carolina, is 56.3°F (13.5°C), while the average low-temperature is 36.7°F (2.6°C).

How much does it rain in Myrtle Beach in January?

In January, in Myrtle Beach, the rain falls for 8.5 days. Throughout January, 3.3" (84.1mm) of precipitation is accumulated.

Does it snow in Myrtle Beach in January?

In January, in Myrtle Beach, it doesn't snow. December is the latest month when it typically snows.

How cold is the water in January in Myrtle Beach?

In Myrtle Beach, the average seawater temperature in January is 60.8°F (16°C). 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).

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

The average length of the day in January is 10.2h.

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

January, November and December, with an average of 6h of sunshine, are months with the least sunshine in Myrtle Beach, South Carolina.

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

In Myrtle Beach, South Carolina, the average sunshine in January is 6h.

What are the months with the lowest UV index in Myrtle Beach?

Months with the lowest UV index are January and December, with an average maximum UV index of 3.

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

In Myrtle Beach, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in January - Myrtle Beach, SC
  • Average high temperature in January: 56.3°F

The warmest month (with the highest average high temperature) is July (87.7°F).
The month with the lowest average high temperature is January (56.3°F).

  • Average low temperature in January: 36.7°F

The month with the highest average low temperature is July (72.8°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

Average rainfall in January - Myrtle Beach, SC
  • Average rainfall in January: 3.3"

The wettest month (with the highest rainfall) is September (6.3").
Driest months (with the lowest rainfall) are April and November (2.5").

Average rainfall days in January - Myrtle Beach, SC
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is August (10.6 days).
The month with the lowest number of rainy days is November (5.7 days).

Average snowfall in January - Myrtle Beach, SC
  • Average snowfall in January: 0"

The month with the highest snowfall is December (0.6").
Months with the lowest snowfall are January, March, April, May, June, July, August, September, October and November (0").

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

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

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).

Average daylight in January / Average sunshine in January - Myrtle Beach, SC
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 6h

Months with most sunshine are April, May, June and July (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 6).

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

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).