Icheon
Weather by month
Current

Icheon Weather in January

Icheon in January averages 4°C (39°F) during the day and -7°C (19°F) at night. This is the driest month of the year, and part of the winter season.

Rainfall in Icheon in January

This is the driest month, making it a great choice for planning outdoor excursions, even if the weather is on the cooler side. The climate data from previous years indicates about 7 days of snow/rain, averaging 24 mm (0.9 in) for the month. 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 January

In January, expect low temperatures in Icheon, with highs of 4°C (39°F) and lows of -7°C (19°F) at night. January is in the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With lows of -7°C (19°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.

Sunshine in Icheon in January

The area enjoys a moderate level of sunlight, with around 166 hours. It's a good balance between sunny and cloudy days.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Icheon. Our weather planner can help you explore destinations with more pleasant weather conditions.

Icheon Temperature in January

Min Temperature
-7°C (19°F)
Max Temperature
4°C (39°F)
Chance of Rain
25%
Precipitation
24 mm (0.9 in)
Rainy days
7 days
Humidity
66% *
Sunshine
166 hours *
Percentage Sunshine
52% *
* Data from: Wonju, South Korea (45 KM, 28 Miles).

Icheon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Icheon - and find the best time to visit.

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Icheon typically stay consistent throughout January, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows typically ranging from -9°C (16°F) to -6°C (21°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather records for Icheon in January

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 January

Our historical data for Icheon spans 1976 to 2025, revealing these weather extremes.

  • On January 14, 2002, temperatures climbed to 16°C (61°F), marking the warmest January day on record.

Best Places in South Korea in January

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 January →

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).

What to Wear in Icheon in January

Dress warmly and in layers for your trip to Icheon in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Light rain is possible, so consider bringing a small umbrella or rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Icheon in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    2/10
  • Outdoor sports
    3/10

Icheon 3-Day Forecast

More climate data for Icheon

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

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