Seoul's average temperature in April is 12.5°C, when spring vibes are truly felt, and Korea's cherry blossom season reaches its peak. As days go by, the maximum temperature rises, making it perfect for outdoor walks and making travel in Korea much easier. Here's a complete guide to Korea's April weather, recommended clothing, cherry blossom bloom forecasts, and famous spots.
2026 Korea Cherry Blossom Bloom and Full Bloom Forecast
Cherry Blossom Bloom Forecast Schedule
Korea's cherry blossom front starts from the southern regions and gradually moves north to Seoul. 2026 is expected to have slightly earlier blooming than usual.
- Seoul: Bloom April 1-3 / Full bloom (peak) April 7-13
- Busan: Bloom March 23-25 / Full bloom March 28-April 3
Cherry blossom viewing in Seoul is forecasted to be at its peak around the second week of April.
Cherry Blossom Peak Comparison with Japanese Cities
Seoul tends to reach its peak a few days later than Tokyo. Those who missed cherry blossom viewing in Japan have another chance to try again in Korea.
- Seoul 2026 full bloom forecast: Around April 3
- Tokyo 2026 full bloom forecast: Around March 28
- Osaka 2026 full bloom forecast: Around April 4
- Busan 2026 full bloom forecast: Around March 25
April Weather in Korea and Recommended Clothing
Major Cities Temperature Comparison (April Average)
- Seoul: Average 12.5°C / Low 7.1°C / High 18.6°C
- Busan: Average 14.2°C / Low 10.3°C / High 18.8°C
- Tokyo: Average 14.3°C / Low 9.4°C / High 19.4°C
- Osaka: Average 15.2°C / Low 10.6°C / High 20.5°C
Seoul's minimum temperature often drops to single digits. The daily temperature difference between morning and evening is over 10°C, so don't let your guard down.
Clothing Tips
While t-shirts and light shirts are perfect during warm days, the air suddenly becomes cold after sunset. Blouses or long sleeves with a trench coat or light jacket provide the most comfort.
- Light inner + light outer + warming accessories
- Many cherry blossom spots are near rivers or lakes where wind can feel cold
- Keep a thin large scarf or light down jacket in your bag for peace of mind
- Thick tights are unnecessary, but layering socks is recommended
Spring Dust Storm and PM2.5 Countermeasures
What can't be missed in Korea's spring are dust storms and PM2.5 (fine dust). KF94 standard masks available at Korean convenience stores block 94% of particles. If you feel foreign substances in your eyes, use sunglasses, and thoroughly wash your face when you return to the hotel.
Popular Cherry Blossom Viewing Spots in Seoul
Seokchon Lake (Jamsil)
A large lake surrounding Lotte World, where approximately 1,000 cherry trees bloom like tunnels. The walking paths are well-maintained, and there's nighttime lighting, making it perfect for evening walks. It's also famous as a filming location for K-POP idol content and dramas.
Yeouido Yunjung-ro
Seoul's most famous cherry blossom spot. Along Yunjung-ro behind the National Assembly, approximately 1,600 king cherry trees create cherry blossom tunnels that seem to cover the sky. The charm of cherry blossom viewing here is enjoying street food while feeling the breeze from the Han River.
Yongsan Family Park and National Museum of Korea
An optimal place for picnics on spacious lawns. The scenery of modern museum buildings harmonizing with cherry blossoms creates perfect photo opportunities anywhere. Recommended for those who want to enjoy cherry blossoms leisurely away from crowds. Check out the nearby Yongsan local guide as well.
Namsan Park
You can enjoy cherry blossoms along the walking path leading to N Seoul Tower. Due to its elevation, it reaches peak bloom latest in Seoul. Even if your travel schedule is slightly later than the predicted full bloom, you still have a chance here.
Hapjeong Solnaegil
A charming street right next to the Hongdae area. The appeal is seeing cherry blossoms right in front of you from cafe terrace seats. It's an urban cherry blossom viewing spot you can visit between shopping.
For getting around during cherry blossom season, NAMANE Card is convenient. With a single tap, you can use subway and buses, allowing you to efficiently tour cherry blossom spots. Check the purchase method in the NAMANE Card getting started guide.
Frequently Asked Questions (FAQ)
Q. When is the best time to see cherry blossoms in Seoul in April?
Seoul's cherry blossoms in 2026 are expected to reach full bloom peak around April 7-13, with the second week of April being the best. Namsan Park blooms a few days later than other places due to its elevation, so if you've slightly missed the timing, try visiting Namsan.
Q. Does it rain a lot in April?
April corresponds to Korea's dry season with low precipitation, but spring rain can occasionally occur. Having a foldable umbrella in your bag provides peace of mind. When it rains after cherry blossoms reach full bloom, you can see the fantastic scenery of falling petals called 'cherry blossom snow'.
Q. Are masks absolutely necessary because of dust storms?
Fine dust concentrations in Korea in April vary greatly by day, and on bad days, visibility becomes hazy. You can easily purchase KF94 masks at Korean convenience stores for about 1,500 won, so buying them locally is sufficient. Make it a habit to check real-time conditions with fine dust apps.
