Munsan Weather in December

What's the weather like in Munsan (Gyeonggi Province) in December 2025?

The climate in Munsan during December can be summarized as cold and dry.

December is in the winter in Munsan and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -6°C (22°F) is normal.

Munsan weather averages (imperial / metric)
Daytime temperature 3.4°C 38°F
Nightly temperature -5.6°C 22°F
Average temperature -1.1°C 30°F
Daily sunshine 5.7 hrs
Avg rainfall 21 mm 0.8 ins
Rainy days 7 days
Sea temperature 10.1°C 50.1°F
Humidity 67%
Windspeed 7.9kph 5 mph

On average December is the 2nd driest month of the year in Munsan with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

December temperatures in Munsan

Munsan average temperature in December

December rainfall

Munsan average rain in December

December hourly sunshine

Munsan average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Munsan in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Munsan weather stats

Munsan weather statistics
Hottest month: August 28.9°C 84°F
Driest month: January 20mm 0.8ins
Sunniest month: October 7.4hrs
Coldest month: January 0.4°C 32.7°F
Wettest month: July 348mm 13.7ins
Map showing location of Munsan (37.85944, 126.785) Munsan map pin © Google

Locations nearby

Top South Korea locations