Gunsan Weather in January
January in Gunsan brings low temperatures around 5°C (41°F) during the day, dropping to -2°C (28°F) at night, with the driest conditions of the year.
Rainfall in Gunsan in January
As the driest month, it's a good time for hiking and exploring the area, even if you'll need to layer up. Looking at the last 30 years, the data shows about 10 days with snow/rain, averaging 31 mm (1.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Gunsan in January
Daytime temperatures in Gunsan reach 5°C (41°F) in January, dropping to -2°C (28°F) at night. During January, you'll experience the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop below freezing to -2°C (28°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. During the coldest month of the year, be prepared to bundle up with heavy winter gear.
Sunshine in Gunsan 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 prefer dry days with pleasant temperatures, January may not be the ideal month to visit Gunsan. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 January
Min Temperature
-2°C (28°F)
Max Temperature
5°C (41°F)
Chance of Rain
33%
Precipitation
31 mm (1.2 in)
Rainy days
10 days
Humidity
76% *
Sunshine
166 hours *
Percentage Sunshine
52% *
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Gunsan typically stay consistent throughout January, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows around -4°C (25°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 for Gunsan in January
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 January
The extremes listed below come from historical weather data collected in Gunsan from 1976 through 2025.
- The warmest day in January was on January 8, 2001, with a maximum of 19°C (66°F).
- Gunsan experienced its chilliest January day on January 8, 2021, reaching only -9°C (16°F).
- The lowest overnight temperature recorded in January was -17°C (1°F) (January 8, 2021).
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
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tolerable
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What to Wear in Gunsan in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Pack a light rain jacket or compact umbrella for occasional showers. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Gunsan in January
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.
