UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

Nearby Regional Outlook

Busan Weather Radar

Live precipitation · Cloud cover · Wind

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Frequently Asked Questions

What is the hottest month in Busan?

The hottest month in Busan is typically August, with daytime highs averaging around 29.3°C (85°F), based on 10 years of historical weather data. Overnight lows during this period average near 24.3°C (76°F).

What is the coldest month in Busan?

The coldest month in Busan is typically January, with overnight lows averaging around -1.9°C (29°F) and daytime highs near 6.8°C (44°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.

Does Busan have a rainy season?

Busan doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. July is the wettest month on average (about 258 mm), while December is the driest (about 33 mm).

What's the best time of year to visit Busan?

The best time to visit Busan is typically October, when daytime highs average a comfortable 20.8°C (69°F). Rainfall during this window averages around 103 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Busan's air quality safe right now?

As of the latest reading, Busan's air quality index (AQI) is 37, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.

Atmospheric Details

Wind

17 km/h

NE · Gentle Breeze

Humidity

65 %

Comfortable

UV Index

High

Visibility

16 km

Excellent

Pressure

1018 hPa

Stable

Dew Point

19°C

Somewhat humid

Today vs Normal

26°C+1° above normal

The long-term average high for today is 25°C.

17 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Health & Activity Advice

⚠ Take Precautions

UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.