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
In Myrtle Beach, the average high-temperature in December is practically the same as in November - a mild 58.3°F (14.6°C). The average low-temperature, in Myrtle Beach, is 46.9°F (8.3°C).Humidity
May, June, August and December, with an average relative humidity of 78%, are the most humid months in Myrtle Beach.Rainfall
In December, the rain falls for 11.6 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. In Myrtle Beach, during the entire year, the rain falls for 166.5 days and collects up to 28.78" (731mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Myrtle Beach, there are 1 snowfall days, and 0.16" (4mm) of snow is accumulated.Ocean temperature
In Myrtle Beach, the average water temperature is 63.3°F (17.4°C).Note: For most, swimming in 63.3°F (17.4°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
The month with the shortest days in Myrtle Beach is December, with an average of 9h and 58min of daylight.On the first day of December in Myrtle Beach, sunrise is at 7:01 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:17 pm EST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year in Myrtle Beach.UV index
In Myrtle Beach, South Carolina, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 4 translate into the following recommendations:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in December in Myrtle Beach?
What are the most humid months in Myrtle Beach?
What is the average humidity in December in Myrtle Beach?
How many days does it rain in December in Myrtle Beach?
When does it start to snow in Myrtle Beach?
How cold is the water in December in Myrtle Beach?
What is the month with the shortest days in Myrtle Beach?
How many hours of daylight does Myrtle Beach have in December?
When is the sunrise / sunset in December in Myrtle Beach?
What is the month with the least sunshine in Myrtle Beach?
How long on average sun shines in December in Myrtle Beach?
What is the UV index intensity in December in Myrtle Beach?
Average temperature in December
Myrtle Beach, SC
- Average high temperature in December: 58.3°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 December: 46.9°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).
Average pressure in December
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).
Average wind speed in December
Myrtle Beach, SC
- Average wind speed in December: 9.3mph
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).
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: 2.64"
The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (1.02").
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: 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").
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: 63.3°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 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: 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).
Weather forecast for your location
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location
