The month in detail
What to expect in January
Winter in Busan is cool (45°F during the day). Days are short (6.6h of sunshine) but the city reveals a different side. Rain is virtually absent (10% of days) — ideal for planning without a backup.
January ranks 10 out of 12 months in Busan. Compared to December: −2°F daytime.
This month's conditions
What it's like in January
UV index
3 · moderate
protect during midday hours
Feels like
dry air
-6°
Sea
12°C
cold, for the brave
Daylight
9.9h of daylight
Air quality
good
AQI 33
Compare
Is January the right month?
The best month in Busan is May (8.1/10), 3.8 pts higher than January.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Busan
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Busan
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.
Country · South Korea
🗣️LanguageKorean
💶CurrencySouth Korean Won (₩)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthAugust · 86°F
❄️Coolest monthJanuary · 45°F
🌧️Rainiest month ⓘJuly · 39%
🏖️ Beach trip
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in January
If January doesn't convince you for this destination, compare with others.
Location
Where is Busan ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
South KoreaTemperate oceanic climate with a 8.1 → 4.3 gap between best and worst month. 10 years of ERA5 data to choose by project.
35.18°N · 129.08°E
Questions
Frequently asked questions
What is the best time to visit Busan?
May is the best month with 72°F highs, 55°F lows, 7.4h of sunshine and 22.0% rainy days. The months of May & June offer comparable conditions.
How many hours of sunshine does Busan get in May?
Busan averages 7.4 sunshine hours per day in May. It is the sunniest month with a climate score of 7.5/10.
What is the rainiest month in Busan?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Busan in May?
In May, overnight lows reach 55°F, while afternoon highs average 72°F.
Is Busan good in winter?
In winter (December-February), Busan scores 4.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains May with a score of 7.5/10.
When should you avoid Busan?
January is the most difficult month to visit Busan, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Busan in January?
In January, the sea averages 54°F in Busan: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Busan in January?
The average UV index reaches 3 in January in Busan (moderate), with about 9.9h of daylight. Protect during midday hours.