Gunsan Weather in December
Gunsan in December averages 8°C (46°F) during the day and 1°C (34°F) at night. This is part of the winter season. Some rainfall is to be expected.
Rainfall in Gunsan in December
Expect around 11 days of rain based on historical data, with 35 mm (1.4 in) average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Gunsan in December
December in Gunsan sees highs of 8°C (46°F) and lows of 1°C (34°F) overnight. The winter season takes place during December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Gunsan in December
The month brings about 155 hours of sunlight, offering a comfortable mix of sun and overcast.December in Gunsan can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Gunsan's climate page.
Gunsan Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
8°C (46°F)
Chance of Rain
35%
Precipitation
35 mm (1.4 in)
Rainy days
11 days
Humidity
76% *
Sunshine
155 hours *
Percentage Sunshine
51% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gunsan typically drop from around 9°C (48°F) at the start of December to approximately 4°C (39°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 1°C (34°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Gunsan in December
Browse day-by-day weather records for Gunsan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gunsan historical weather extremes in December
Based on 49 years of weather observations in Gunsan between 1976 and 2025, these are the recorded extremes.
- The hottest December day on record in Gunsan reached 20°C (68°F) (December 8, 2023).
- On December 21, 2023, Gunsan saw its coldest December day with temperatures maxing out at -5°C (23°F).
- The lowest overnight temperature recorded in December was -14°C (7°F) (December 18, 2005).
Best Places in South Korea in December
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Gunsan in December
We recommend to layer up for chilly conditions in Gunsan in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Some rain is possible, so pack something to handle light showers. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Gunsan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Gunsan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Gunsan climate overview or explore weather in South Korea.
