Icheon Weather in December
December in Icheon brings low temperatures around 6°C (43°F) during the day, dropping to -5°C (23°F) at night, with some snow/rainfall expected.
Rainfall in Icheon in December
On average, there are about 8 days with snow/rain during this month, averaging 28 mm (1.1 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Icheon in December
In December, Icheon gets low temperatures, with highs of 6°C (43°F). Nights cool to around -5°C (23°F). Winter occurs in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.
Sunshine in Icheon in December
The area experiences a moderate amount of sunshine, with approximately 155 hours of sunlight expected. This means a decent mix of sun and overcast.For Icheon itself, October generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Icheon's climate page.
Icheon Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
6°C (43°F)
Chance of Rain
27%
Precipitation
28 mm (1.1 in)
Rainy days
8 days
Humidity
70% *
Sunshine
155 hours *
Percentage Sunshine
51% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Icheon typically drop from around 7°C (45°F) at the start of December to approximately 2°C (36°F) by the end. Nights are very cold, with lows typically ranging from -8°C (18°F) to -3°C (27°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 Icheon in December
Browse day-by-day weather records for Icheon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Icheon historical weather extremes in December
Based on weather observations in Icheon between 1976 and 2025, these are the recorded extremes during December.
- Icheon recorded its highest December temperature of 18°C (64°F) on December 8, 2023.
- The coldest night in December in Icheon was on December 28, 1980, with a minimum of -19°C (-2°F).
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 Icheon in December
We recommend to layer up for chilly conditions in Icheon 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Icheon 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 Icheon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Icheon climate overview or explore weather in South Korea.
