Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As November turns into December, the average high-temperatures rest at a still refreshing 14.6°C (58.3°F), showing a minor variation from the prior month. In Myrtle Beach, the December nights cool down to an average low of 8.3°C (46.9°F).Humidity
May, June, August and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Myrtle Beach, during December, the rain falls for 11.6 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 166.5 rainfall days, and 731mm (28.78") of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 1 snowfall days, and 4mm (0.16") of snow is accumulated.Ocean temperature
In Myrtle Beach, in December, the average water temperature is 17.4°C (63.3°F).Note: The majority of people do not enjoy swimming in 17.4°C (63.3°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:17 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 during December translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing in Myrtle Beach?
What is the ocean temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Myrtle Beach have in December?
What is the UV index intensity in December?
Average temperature in December
Myrtle Beach, SC
- Average high temperature in December: 14.6°C
The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (12.4°C).
- Average low temperature in December: 8.3°C
The month with the highest average low temperature is July (24.6°C).
The coldest month (with the lowest average low temperature) is January (5.6°C).
Average pressure in December
Myrtle Beach, SC
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).
Average wind speed in December
Myrtle Beach, SC
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is April (16.2km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity in December
Myrtle Beach, SC
- Average humidity in December: 78%
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%).
Average rainfall in December
Myrtle Beach, SC
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is August (115mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Myrtle Beach, SC
- Average rainfall days in December: 11.6 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).
Average snowfall in December
Myrtle Beach, SC
- Average snowfall in December: 1mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Myrtle Beach, SC
- Average snowfall days in December: 0.2 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).
Average sea temperature in December
Myrtle Beach, SC
- Average sea temperature in December: 17.4°C
The best month for swimming (with the highest average sea temperature) is August (28.3°C).
The coldest month (with the lowest average sea temperature) is March (14.3°C).
Average daylight in December /
Average sunshine in December
Myrtle Beach, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 4min
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).
Average sunshine days in December
Myrtle Beach, SC
- Average sunshine days in December: 17.7 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).
Average UV index in December
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).
Average cloud cover in December
Myrtle Beach, SC
- Average cloud cover in December: 40
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).
Average visibility in December
Myrtle Beach, SC
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Myrtle Beach, South Carolina, USA
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