Busan weather in January
January in Busan: cold, a little rain — a good time to visit.
#10 of 12 months in Busan · #369 of 604 destinations to visit in January · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Busan climate normals — January
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 34°F | |
| Feels like (high) | 3°C / 37°F | |
| Rainfall | 44 mm / 1.7 in | 🌦 some rain |
| Rainy days | 4 days | |
| Humidity | 53% | 🍃 comfortable |
| Dew point | -6°C / 22°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 10.1 h | |
| Wind | 19 km/h / 12 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 60 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Busan?
Loading map…
Busan in January — FAQ
- Is January a good time to visit Busan?
- January in Busan: cold, a little rain — a good time to visit. It ranks #10 of 12 months for Busan on SeasonMap's comfort score (64/100).
- What is the weather like in Busan in January?
- In January, Busan averages a daily high of 7.2°C and a low of 1.1°C, with about 44.4 mm of rain over roughly 4.2 rainy days.
- What is the air quality in Busan in January?
- Busan has a mean US Air Quality Index of about 60 in January.
- Does it snow in Busan in January?
- Busan sees roughly 1.3 cm of snowfall in January.