Busan: Weather Guide & Climate
Complete month-by-month weather guide: Busan. Best time to visit: April, May, September, October. Plan your trip with detailed climate data.
Climate Overview
Busan has a moderate climate with average yearly highs of 18°C, lows of 10°C, and approximately 9 rainy days per month.
The best time to visit Busan is during April, May, September, October, when conditions are perfect for sightseeing and exploration
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Air Quality
Best Time
Apr, May, Sep, Oct
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 9°C | 0°C | 8 | Good |
| February | 10°C | 0°C | 8 | Good |
| March | 13°C | 3°C | 5 | Good |
| April | 16°C | 6°C | 5 | Excellent (best) |
| May | 21°C | 13°C | 8 | Excellent (best) |
| June | 26°C | 18°C | 11 | Good |
| July | 25°C | 20°C | 24 | Wet |
| August | 30°C | 24°C | 18 | Wet |
| September | 24°C | 18°C | 12 | Excellent (best) |
| October | 20°C | 11°C | 3 | Excellent (best) |
| November | 15°C | 5°C | 4 | Good |
| December | 7°C | -3°C | 3 | Good |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 9°C
Low: -1°C
Rainy days: 6 days/month
Spring
Mar–May
High: 17°C
Low: 7°C
Rainy days: 6 days/month
Summer
Jun–Aug
High: 27°C
Low: 21°C
Rainy days: 18 days/month
Autumn
Sep–Nov
High: 20°C
Low: 11°C
Rainy days: 6 days/month
Month-by-Month Weather Table
January
February
March
April
BestMay
BestJune
July
August
September
BestOctober
BestNovember
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 9°C | 0°C | 8 | Good | View Details → |
| February | 10°C | 0°C | 8 | Good | View Details → |
| March | 13°C | 3°C | 5 | Good | View Details → |
| April (best) | 16°C | 6°C | 5 | Excellent | View Details → |
| May (best) | 21°C | 13°C | 8 | Excellent | View Details → |
| June | 26°C | 18°C | 11 | Good | View Details → |
| July | 25°C | 20°C | 24 | Wet | View Details → |
| August | 30°C | 24°C | 18 | Wet | View Details → |
| September (best) | 24°C | 18°C | 12 | Excellent | View Details → |
| October (best) | 20°C | 11°C | 3 | Excellent | View Details → |
| November | 15°C | 5°C | 4 | Good | View Details → |
| December | 7°C | -3°C | 3 | Good | View Details → |
Busan
Coastal city, including beaches, Haeundae Beach and Gamcheon Culture Village, fish markets, temples, and mountain views.
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Common Questions
What type of climate does Busan have?
Busan has a Moderate climate with average yearly temperatures of 18°C (highs) and 10°C (lows).
When is the best time to visit Busan?
The best time to visit Busan is during April, May, September, October, when temperatures average around 16°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Busan?
The hottest month in Busan is August with average highs of 30°C, while the coldest is December with average lows of -3°C.
When is the rainy season in Busan?
Busan sees the most rain in July (24 rainy days), while October is the driest month (3 rainy days).
More Busan Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Busan: top things to do, itineraries, and typical costs.