Busan, South Korea climate
Average temperatures, precipitation and all-time records for Busan, South Korea, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 28°C, and its coldest is January, with an average low of -1°C.
Busan, officially Busan Metropolitan City, is the second most populous city in South Korea, after Seoul; it has a population of over 3.3 million as of 2024. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Busan, South Korea's own ±7-day seasonal distribution.
Busan average temperatures by month
Typical daily high and low, and average precipitation, for each month in Busan, South Korea, based on 1981–2026 records. The wettest month is July (10 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 6°C | -1°C | 0 mm |
| February | 8°C | 1°C | 3 mm |
| March | 12°C | 4°C | 3 mm |
| April | 17°C | 9°C | 5 mm |
| May | 20°C | 13°C | 5 mm |
| June | 24°C | 18°C | 5 mm |
| July | 27°C | 22°C | 10 mm |
| August | 28°C | 24°C | 8 mm |
| September | 25°C | 20°C | 5 mm |
| October | 21°C | 14°C | 3 mm |
| November | 14°C | 7°C | 3 mm |
| December | 8°C | 1°C | 0 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting Busan?
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Record extremes
- Hottest day on record: 35°C on 1994-07-20
- Coldest day on record: -11°C on 2011-01-16
Percentiles compare each day to Busan, South Korea's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →