Busan weather in April
April in Busan: cool, rainy — an excellent time to visit.
#3 of 12 months in Busan · #231 of 604 destinations to visit in April · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Busan climate normals — April
| Daytime high | 16°C / 61°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 15°C / 59°F | |
| Rainfall | 84 mm / 3.3 in | 🌧 rainy |
| Rainy days | 6 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 13.1 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 78 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Busan?
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Busan in April — FAQ
- Is April a good time to visit Busan?
- April in Busan: cool, rainy — an excellent time to visit. It ranks #3 of 12 months for Busan on SeasonMap's comfort score (82/100).
- What is the weather like in Busan in April?
- In April, Busan averages a daily high of 16.3°C and a low of 10.2°C, with about 84.2 mm of rain over roughly 6.2 rainy days.
- What is the air quality in Busan in April?
- Busan has a mean US Air Quality Index of about 78 in April.