City, South Korea
Busan weather by month and the best time to visit
When to go to Busan
Apr–May and Sep–Oct are mild and clear. Jul–Aug is hot, humid and crowded at beaches, with typhoon risk Aug–Sep; winters are cool but milder than Seoul.
Busan weather by month
Average daily high, rainfall and conditions.
- Jan8°39 mm
- Feb10°58 mm
- Mar12°87 mm
- Apr15°138 mm
- May18°148 mm
- Jun21°177 mm
- Jul24°287 mm
- Aug27°224 mm
- Sep24°187 mm
- Oct21°81 mm
- Nov16°54 mm
- Dec11°41 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 8°C47°F | 5°C41°F | 39 mm | 74% | Cold |
| February | 10°C49°F | 6°C43°F | 58 mm | 70% | Cold |
| March | 12°C54°F | 9°C48°F | 87 mm | 70% | Cool |
| April | 15°C59°F | 12°C54°F | 138 mm | 75% | Cool |
| May | 18°C64°F | 16°C61°F | 148 mm | 84% | Cool |
| June | 21°C70°F | 20°C67°F | 177 mm | 89% | Rainy |
| July | 24°C76°F | 23°C74°F | 287 mm | 92% | Rainy |
| August | 27°C80°F | 26°C78°F | 224 mm | 86% | Rainy |
| September | 24°C76°F | 23°C73°F | 187 mm | 79% | Rainy |
| October | 21°C69°F | 19°C66°F | 81 mm | 71% | Pleasant |
| November | 16°C61°F | 13°C56°F | 54 mm | 69% | Cool |
| December | 11°C51°F | 7°C45°F | 41 mm | 74% | Cold |
Best months across South Korea
| Place | Best months | Warmest month |
|---|---|---|
| Seoul | Apr–May, Sep–Nov | Aug (28°C) |
| Busan | Apr–May, Sep–Oct | Aug (27°C) |
| Jeju | Apr–May, Sep–Oct | Aug (28°C) |
| Gyeongju | Apr–May, Oct–Nov | Aug (28°C) |
| Seogwipo | Apr–May, Sep–Oct | Aug (28°C) |
| Incheon | Apr–May, Sep–Oct | Aug (28°C) |
| Jeonju | Apr–May, Sep–Nov | Aug (29°C) |
| Sokcho | May–Jun, Sep–Oct | Aug (27°C) |
| Gangneung | May–Jun, Sep–Oct | Aug (27°C) |
| Daegu | Apr–May, Sep–Oct | Aug (30°C) |
| Yeosu | Apr–May, Sep–Oct | Aug (30°C) |
Quick answers
What is the best month to visit Busan?
Apr–May, Sep–Oct. Apr–May and Sep–Oct are mild and clear. Jul–Aug is hot, humid and crowded at beaches, with typhoon risk Aug–Sep; winters are cool but milder than Seoul.
When is the rainy season in Busan?
Rain peaks in July with about 287 mm. Months with 150 mm or more: Jun–Sep.
What is the hottest month in Busan?
August, with average highs of 27°C (80°F).
How cold does Busan get?
The coolest nights are in January, averaging 5°C (41°F).
More about Busan
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Sources
- NASA POWER climatology (2001–2020)
- Visit Busan
- Busan Transportation Corporation
- Gimhae International Airport (Korea Airports Corporation)
- Korail (KTX)
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.