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Busan, South Korea

Busan has a temperate climate with average temperatures ranging from 7°C / 44°F in January to 28°C / 82°F in August.

Precipitation is distributed throughout the year, averaging 112 mm / 4.4 inches monthly, peaking in July (251 mm / 9.9 inches) and reaching its lowest in December (27 mm / 1.1 inches).

The UV index ranges from 3 in December to 8 in June, so strong sun protection is essential during summer months.

The longest days occur in June with around 14.5 hours of daylight, while December has the shortest days at about 9.8 hours.

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Trip planning

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Climate overview

Climate at a glance

The big-picture stats that matter for planning your visit to Busan.

Temperature range

Typical highs and lows

High28.0°C
Low-0.4°C

The broad yearly range between warm daytime highs and the coolest overnight lows.

Rain pattern

Wettest point of the year

251 mm

July carries the highest typical rainfall load.

Sun exposure

Typical peak UV band

High (6.3)

A fast read on how strong midday sun typically gets across the year.

Daylight window

Seasonal daylight range

10 hrsto14 hrs

Useful for gauging how much sightseeing time you get in shorter versus longer seasons.

Wind profile

Typical breeze strength

12 km/h

January is typically the breeziest month.

Humidity

Typical moisture range

55 %to88 %

A quick signal for how dry, comfortable, or heavy the air tends to feel.

When should I go?

Our top-rated months for visiting Busan, based on long-term weather comfort and conditions

Next steps

Dive deeper into rankings, month details, or packing guidance.

How Busan compares

See how it ranks against the rest of South Korea for key metrics.

HOTTEST (AVG)
in South Korea
#1 / 2
COOLEST (AVG)
in South Korea
#2 / 2
WETTEST (TOTAL)
in South Korea
#1 / 2
WINDIEST (AVG)
in South Korea
#1 / 2
HIGHEST UV
in South Korea
#1 / 2
MOST HUMID
in South Korea
#2 / 2

Short term outlook

Visiting soon? Here's the next 7 days of weather for Busan, or see an hourly breakdown for the next 14 days.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

How does the weather in Busan feel over the year?

Across the year, daytime highs average about 17°C (63°F), with nights near 11°C (52°F). Overall it feels mild by day and cool after dark. Daylight is fairly typical, with enough time for sightseeing. Expect a mix of sun and cloud across the year.

When is the best time to visit Busan for dry weather?

The driest month is usually December, with around 27 mm (1.1 in) of rain. In contrast, July is the wettest month, so that’s when you’re most likely to need a raincoat or umbrella.

When is sun exposure strongest in Busan?

UV tends to peak in June, when UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.

Is Busan a windy place?

Across the year, average winds sit around 12 km/h (7 mph), with gusts on windier days up to about 67 km/h (42 mph). Overall it is it is a notably windy place, and strong gusts are fairly common.

How much daylight does Busan get?

On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.

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