Myrtle Beach Weather in December: Temperature, Precipitation, Wind

Temperature
11.4°C
52.5°F
High temperature
16.1°C
61°F
Low temperature
7°C
44.7°F
Feels like
10.6°C
51.1°F
Rainy days
12 days
Rainfall level
4.19mm
0.17 inch
Cloud coverage
25.8%
Wind speed
22.4km/h
13.9mph
Daylight time
9:57:25
UV index
4.5
1
partly cloudy day
14.7°C
58.0°F
2
partly cloudy day
18.7°C
66.0°F
3
rain
19.9°C
68.0°F
4
clear day
16.5°C
62.0°F
5
clear day
12.2°C
54.0°F
6
clear day
8.6°C
47.0°F
7
clear day
6.8°C
44.0°F
8
clear day
10.7°C
51.0°F
9
partly cloudy day
15.2°C
59.0°F
10
rain
17.5°C
64.0°F
11
rain
8.4°C
47.0°F
12
clear day
6.0°C
43.0°F
13
clear day
7.7°C
46.0°F
14
clear day
8.3°C
47.0°F
15
clear day
7.3°C
45.0°F
16
partly cloudy day
11.7°C
53.0°F
17
rain
15.4°C
60.0°F
18
rain
13.2°C
56.0°F
19
clear day
4.9°C
41.0°F
20
clear day
3.5°C
38.0°F
21
clear day
5.1°C
41.0°F
22
clear day
8.3°C
47.0°F
23
clear day
11.5°C
53.0°F
24
clear day
12.9°C
55.0°F
25
rain
16.3°C
61.0°F
26
rain
17.8°C
64.0°F
27
rain
17.7°C
64.0°F
28
rain
12.3°C
54.0°F
29
rain
9.3°C
49.0°F
30
rain
6.6°C
44.0°F
31
rain
7.7°C
46.0°F

Myrtle Beach, United States in December experiences mild winter conditions with occasional cool spells. The average temperature hovers around 11.4°C (52.5°F), with daytime highs reaching 16.1°C (61.0°F) and nighttime lows dipping to 7.0°C (44.7°F). Visitors to popular attractions like the Myrtle Beach Boardwalk and Broadway at the Beach feel temperatures cooler than the actual readings, with the average feels-like temperature at 10.6°C (51.1°F).

December in Myrtle Beach brings moderate humidity levels, averaging 76.1%. Precipitation occurs frequently, with an average of 4.19 mm (0.16 inches) of rainfall throughout the month. Rain falls on approximately 12 days, covering about 11% of the time. Snow is extremely rare, with no measurable snowfall or snow depth recorded.

Wind plays a significant role in Myrtle Beach’s December climate. Average wind speeds reach 22.4 km/h (13.9 mph), with gusts up to 35.0 km/h (21.7 mph). These breezy conditions contribute to the cooler feel along the Grand Strand beaches. Atmospheric pressure remains relatively stable at 1021.0 hPa.

Cloud cover in December is minimal, averaging only 25.8%. Visitors to Myrtle Beach SkyWheel enjoy clear skies for most of the month, with “clear-day” conditions prevailing. Visibility extends to an impressive 15.3 km (9.5 miles), allowing for expansive views of the Atlantic Ocean from oceanfront resorts.

UV index readings average 4.5, indicating moderate sun intensity. Beachgoers and golfers at Myrtle Beach’s numerous courses should still take precautions against sun exposure. The risk of severe weather remains low, with an average severe risk of 10.0.

Daylight hours in December are at their shortest, with sunrise occurring around 7:12 AM and sunset at approximately 5:10 PM. Despite the cooler temperatures, Myrtle Beach’s December climate remains relatively mild compared to many other U.S. destinations, making it an attractive option for winter getaways.

What is the temperature in Myrtle Beach in December?

Average air temperature in Myrtle Beach is 11.4°C (52.5°F) in December. The outside temperature in Myrtle Beach feels like 10.6°C (51.1°F) on a typical December day. The highest average temperature during sunny days is 16.1°C (61°F) and feels like 16°C (60.8°F). The lowest average temperature after dark is 7°C (44.7°F) which feels like 5.4°C (41.7°F).

Daily Temperature in Myrtle Beach in December 0°C / 32.0°F 5°C / 41.0°F 10°C / 50.0°F 15°C / 59.0°F 20°C / 68.0°F 25°C / 77.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How hot is Myrtle Beach in December?

The hot temperature in December in Myrtle Beach rises to 23.8°C (74.8°F) on sunny days with low cloud coverage and 76.1% humidity. During hottest days of December it feels like 23.8 °C (74.8°F). The average maximum temp in Myrtle Beach is 16.1°C (74.8°F) during day time in December.

How cold is Myrtle Beach in December?

The coldest temp in Myrtle Beach in December drops to -1.6°C (29.1°F) during the cold nights. With 22.4km/h (13.9mph) winds and 76.1% humidity it feels like -5.6°C (21.9°F) on the coldest nights. The average minimum temperature is 7°C (44.7°F) during night time in December.

Does it rain in Myrtle Beach in December?

Yes, it rains for 12 days in Myrtle Beach, United States in December averaging 4.19 mm of precipitation. Myrtle Beach has a 38.7% chance for rain throughout the entire month of December.

How much does it rain in Myrtle Beach throughout December?

Myrtle Beach has 4.19 mm (0.17 inch) of rain per day on average in December. It rains for an average of 12 days out of the entire month.

Is Myrtle Beach windy in December?

The average speed of wind in Myrtle Beach, United States during December is 22.4km/h (13.9mph) and average windgust is 35km/h (21.8mph). On some days in December wind can reach up to 52.1km/h (32.4mph).

Daily wind speed in Myrtle Beach in December 0km/h (0mph) 14km/h (9mph) 28km/h (17mph) 42km/h (26mph) 56km/h (35mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

What is the direction of the wind in Myrtle Beach in December?

Most days of December the wind is blowing from South direction in Myrtle Beach.

What are the humidity levels in Myrtle Beach in December?

The average humidity levels in Myrtle Beach in December are 76.1%. Daily humidity levels in Myrtle Beach range from 47.2% to 99.4% during December.

Daily humidity levels in Myrtle Beach in December 0% 25% 50% 75% 100% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How many hours of daylight are in Myrtle Beach in December?

Myrtle Beach has 9 hours 57 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Myrtle Beach in December is at 7:12:34 and the sunset is at 17:09:59.

What is the cloud coverage in Myrtle Beach in December?

Clouds cover 25.8% of the sky on average throughout December in Myrtle Beach. The cloud coverage ranges from 0% to 98.7% depending on the day of the month.

What is the UV level in December in Myrtle Beach?

The average UV index in Myrtle Beach is 4.5 in December. UV levels change throughout the month and range from 0 to 7.

What is the solar radiation in Myrtle Beach in December?

The average solar radiation is 94.2 W/m2 (Watts per square meter) in Myrtle Beach during December. However solar radiation levels change throughout the month and range from 3.1 W/m2 to 134.5 W/m2.

What is the solar energy during December in Myrtle Beach?

The average solar energy during December in Myrtle Beach is 8.1 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.2 MJ/m2, to 11.7 MJ/m2 during December.

Are there severe weather risks in Myrtle Beach in December?

Yes, there is a 10% risk for severe weather in Myrtle Beach, United States in December.

What is the air pressure in Myrtle Beach in December?

On average the air pressure in Myrtle Beach in December is 1021 mb (millibars). Throughout the month the sea level pressure ranges from 1003.1 mb to 1037.2 mb.

What is the visibility in Myrtle Beach in December?

The average daylight visibility in Myrtle Beach in December is 15.3 km (9.5 miles). Depending on the precipitation the visibility ranges from 9.8 km (6.1 miles) to 16 km (9.9 miles) throughout December.

What is the dew point in Myrtle Beach in December?

The average dew point in Myrtle Beach during December is 6.8°C (44.2°F).

Where is the data for Myrtle Beach climate in December coming from?

The climate data for Myrtle Beach, South Carolina, United States in December is collected from the following weather stations.

  • CONWAY HORRY CO AIRPORT, SC US
  • MYRTLE BEACH AFB, SC US
  • NORTH MYRTLE BEACH, SC US
  • CW0637 Myrtle Beach SC US
  • HORRY SC US
  • KCRE
  • KHYW
  • KMYR