Hilton Head Island

South Carolina Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in South Carolina, the United States of America in December.

Planning a journey to South Carolina, the United States of America this December and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in South Carolina in December

South Carolina, the United States of America is a region in the United States of America. South Carolina, the United States of America offers a broad spectrum of weather patterns. In December, one might encounter temperatures that range from cold to pleasant, and precipitation levels ranging from moderate to heavy. During December, winter is in full swing.

Temperatures

During the day the temperature is cold in Rosenheim at 4°C (39°F) and pleasant in Hardeeville at 19°C (66°F). As night falls, temperatures generally drop to 6°C (43°F) in Hardeeville and -3°C (27°F) in Rosenheim.

To learn more about the conditions in specific areas of South Carolina, the United States of America, check out the map below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Hilton Head Island with an average of 78 mm (3.1 in) to heavy rainfall in Seneca with 162 mm (6.4 in).

Average sunshine

Sunshine amounts are decent in most places. Hilton Head Island gets approximately 187 hours of sunlight in December, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore South Carolina by month

Pick a month to see the average temperature, rainfall and sunshine in South Carolina — and find the best time to visit. (based on Hilton Head Island)

Best Places to Visit in South Carolina in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Carolina.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in South Carolina

What is the weather like in December for some of the most popular destinations in South Carolina, the United States of America?

Temperature range in South Carolina (December)

Precipitation variation in South Carolina (December)

Hilton Head Island

In December Hilton Head Island generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
10°C (50°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
181 hours
187 hours
187 hours
Monthly rainfall
50 mm (2 in)
78 mm (3.1 in)
66 mm (2.6 in)
Monthly rainy days
7 days
10 days
10 days
Weather conditions

Charleston

In December Charleston generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
19°C (66°F)
18°C (64°F)
15°C (59°F)
Min temperature
9°C (48°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
188 hours
170 hours
181 hours
Monthly rainfall
75 mm (3 in)
84 mm (3.3 in)
70 mm (2.8 in)
Monthly rainy days
8 days
10 days
10 days
Weather conditions

Rosenheim

In December Rosenheim generally has low temperatures with maximum daytime temperatures around 4°C (39°F), minimum nighttime temperatures around -3°C (27°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
8°C (46°F)
4°C (39°F)
4°C (39°F)
Min temperature
0°C (32°F)
-3°C (27°F)
-4°C (25°F)
Monthly sun hours
88 hours
63 hours
68 hours
Monthly snow/rainfall
89 mm (3.5 in)
94 mm (3.7 in)
88 mm (3.5 in)
Monthly rainy days
14 days
16 days
16 days
Weather conditions

Mount Pleasant

In December Mount Pleasant generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
10°C (50°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
188 hours
170 hours
181 hours
Monthly rainfall
77 mm (3 in)
86 mm (3.4 in)
74 mm (2.9 in)
Monthly rainy days
8 days
10 days
10 days
Weather conditions

Edisto Island

In December Edisto Island generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
9°C (48°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
188 hours
170 hours
181 hours
Monthly rainfall
67 mm (2.6 in)
90 mm (3.5 in)
76 mm (3 in)
Monthly rainy days
8 days
10 days
9 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in South Carolina, in the United States of America.

Popular cities in December

Day & night temperatures, rainfall and average weather in South Carolina in December.

City Weather Day temp Night temp Rainfall
Hilton Head Island 18°C (64°F) 8°C (46°F) 78 mm (3.1 in)
Charleston 18°C (64°F) 8°C (46°F) 84 mm (3.3 in)
Rosenheim 4°C (39°F) -3°C (27°F) 94 mm (3.7 in)
Mount Pleasant 18°C (64°F) 8°C (46°F) 86 mm (3.4 in)
Edisto Island 18°C (64°F) 8°C (46°F) 90 mm (3.5 in)
Myrtle Beach 16°C (61°F) 5°C (41°F) 84 mm (3.3 in)

South Carolina weather in December: frequently asked questions

What is the weather like in South Carolina, the United States of America in December?

In December, South Carolina, the United States of America generally has pleasant weather conditions. Hilton Head Island sees daytime temperatures near 18°C (64°F), with nights cooling to roughly 8°C (46°F).

What is the average temperature in South Carolina, the United States of America in December?

Average temperatures in South Carolina, the United States of America during December range from a nighttime low near 8°C (46°F) to a daytime high around 18°C (64°F) in Hilton Head Island.

Does South Carolina, the United States of America get a lot of rain in December?

Not particularly. Hilton Head Island averages just 78 mm (3.1 in) of rain in December, making it a mostly dry month for South Carolina, the United States of America.

Is December a Good Time to Visit South Carolina, the United States of America?

Given the typically pleasant weather conditions in Hilton Head Island, December might be a good time to visit South Carolina, the United States of America. However, the weather conditions may vary depending on your destination.

On average, the best time to visit South Carolina, the United States of America is in March, April, May, October and November with generally perfect weather in Hilton Head Island. The weather in August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in South Carolina.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.