Busan, South Korea in April has mild conditions, with highs averaging 16.5°C (62°F) and noticeably cooler mornings. Sea temperature stays cool at 14°C (57°F).
This month falls at the middle of Spring.
Daily highs in April gradually rise from around 15°C (59°F) at the start to 17°C (63°F) by month's end.
April sees fairly even rainfall, totalling about 113 mm across the month.
Expect around 9.0h of sunshine at the start of April, increasing to 9.8h by the end.
The warmest days tend to fall around the 19th, averaging 17.6°C (64°F).