Busan Weather in April
With daytime temperatures of 18°C (64°F) and nighttime lows of 10°C (50°F), April in Busan brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 123 mm (4.8 in) falls on average.
Rainfall in Busan in April
Historically, April sees about 10 days of rain, with a monthly average of 123 mm (4.8 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Busan in April
Daytime temperatures in Busan reach 18°C (64°F) in April, dropping to 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Busan in April
Expect a lot of sunshine this month, with about 210 hours of sun. These sunny conditions add to the overall experience.For Busan itself, October generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Busan's climate page.
Busan Temperature in April
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
35%
Precipitation
123 mm (4.8 in)
Rainy days
10 days
Humidity
62%
Sunshine
210 hours
Percentage Sunshine
53%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Busan typically rise from around 17°C (63°F) at the start of April to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 12°C (54°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Busan in April
Browse day-by-day weather records for Busan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Busan historical weather extremes in April
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Busan.
- On April 27, 1999, temperatures climbed to 28°C (82°F), marking the warmest April day on record.
- The coldest April day was on April 7, 1988, with a maximum of 9°C (48°F).
- The lowest overnight temperature recorded in April was -2°C (28°F) (April 3, 1996).
Best Places in South Korea in April
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Busan in April
Comfortable temperatures call for an easy wardrobe in April. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Busan in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Busan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Busan climate overview or explore weather in South Korea.
