Chungcheongnam-Do Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Chungcheongnam-Do, South Korea in December.

Are you planning a trip a to Chungcheongnam-Do, South Korea in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Chungcheongnam-Do in December

Chungcheongnam-Do, South Korea is a region in South Korea. December in Chungcheongnam-Do generally has cold temperatures, with precipitation levels ranging from low to moderate. December falls during the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 6°C (43°F) and nighttime temperatures around -4°C (25°F) in Cheonan.

For a closer look at conditions across Chungcheongnam-Do, South Korea, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From low snow/rainfall in Sancheong with an average of 22 mm (0.9 in) to moderate snow/rainfall in Boryeong with 35 mm (1.4 in).

Average sunshine

Sunshine is moderately available across various locations. In Cheonan, you can expect around 159 hours of sunlight in December, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Chungcheongnam-Do by month

Pick a month to see the average temperature, rainfall and sunshine in Chungcheongnam-Do — and find the best time to visit. (based on Cheonan)

Best Places to Visit in Chungcheongnam-Do in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Chungcheongnam-Do.

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 Chungcheongnam-Do

What is the weather like in December for some of the most popular destinations in Chungcheongnam-Do, South Korea?

Temperature range in Chungcheongnam-Do (December)

Precipitation variation in Chungcheongnam-Do (December)

Cheonan

In December Cheonan generally has low temperatures with maximum daytime temperatures around 6°C (43°F), minimum nighttime temperatures around -4°C (25°F) and low monthly snow/rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
14°C (57°F)
6°C (43°F)
4°C (39°F)
Min temperature
3°C (37°F)
-4°C (25°F)
-5°C (23°F)
Monthly sun hours
166 hours
159 hours
173 hours
Monthly snow/rainfall
47 mm (1.9 in)
28 mm (1.1 in)
25 mm (1 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions

Buyeo

In December Buyeo generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around -2°C (28°F) and low monthly snow/rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
14°C (57°F)
7°C (45°F)
5°C (41°F)
Min temperature
4°C (39°F)
-2°C (28°F)
-4°C (25°F)
Monthly sun hours
162 hours
165 hours
165 hours
Monthly snow/rainfall
46 mm (1.8 in)
29 mm (1.1 in)
26 mm (1 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions

Boryeong

In December Boryeong generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 0°C (32°F) and moderate monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
14°C (57°F)
7°C (45°F)
5°C (41°F)
Min temperature
6°C (43°F)
0°C (32°F)
-3°C (27°F)
Monthly sun hours
148 hours
142 hours
156 hours
Monthly rainfall
51 mm (2 in)
35 mm (1.4 in)
30 mm (1.2 in)
Monthly rainy days
11 days
11 days
10 days
Weather conditions

Asan

In December Asan generally has low temperatures with maximum daytime temperatures around 6°C (43°F), minimum nighttime temperatures around -3°C (27°F) and low monthly snow/rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
14°C (57°F)
6°C (43°F)
4°C (39°F)
Min temperature
3°C (37°F)
-3°C (27°F)
-5°C (23°F)
Monthly sun hours
166 hours
159 hours
173 hours
Monthly snow/rainfall
47 mm (1.9 in)
28 mm (1.1 in)
25 mm (1 in)
Monthly rainy days
10 days
10 days
9 days
Weather conditions

Sancheong

In December Sancheong generally has low temperatures with maximum daytime temperatures around 6°C (43°F), minimum nighttime temperatures around -3°C (27°F) and low monthly snow/rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
13°C (55°F)
6°C (43°F)
3°C (37°F)
Min temperature
3°C (37°F)
-3°C (27°F)
-7°C (19°F)
Monthly snow/rainfall
44 mm (1.7 in)
22 mm (0.9 in)
23 mm (0.9 in)
Monthly rainy days
5 days
4 days
5 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Chungcheongnam-Do, in South Korea.

Popular cities in December

Day & night temperatures, rainfall and average weather in Chungcheongnam-Do in December.

City Weather Day temp Night temp Rainfall
Cheonan 6°C (43°F) -4°C (25°F) 28 mm (1.1 in)
Buyeo 7°C (45°F) -2°C (28°F) 29 mm (1.1 in)
Boryeong 7°C (45°F) 0°C (32°F) 35 mm (1.4 in)
Asan 6°C (43°F) -3°C (27°F) 28 mm (1.1 in)
Sancheong 6°C (43°F) -3°C (27°F) 22 mm (0.9 in)

Chungcheongnam-Do weather in December: frequently asked questions

What is the weather like in Chungcheongnam-Do, South Korea in December?

Expect unpleasant weather across Chungcheongnam-Do, South Korea in December. The popular destination of Cheonan averages 6°C (43°F) by day and -4°C (25°F) at night during this winter month.

What is the average temperature in Chungcheongnam-Do, South Korea in December?

Cheonan averages a daytime maximum of 6°C (43°F) in December, with overnight lows close to -4°C (25°F).

Does Chungcheongnam-Do, South Korea get a lot of snow/rain in December?

Rain is generally moderate to light in Chungcheongnam-Do, South Korea during December, with Cheonan averaging close to 28 mm (1.1 in).

Is December a Good Time to Visit Chungcheongnam-Do, South Korea?

In our view, December might not be the best time to travel to Chungcheongnam-Do, South Korea with often unpleasant weather in Cheonan.

Generally speaking, the best visiting conditions can be found in April, May and October offering mostly perfect weather in Cheonan. The weather in January, February, July and August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Chungcheongnam-Do.

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

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.

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