As the last wisps of winter's chill dissipate, Seoul, Korea, welcomes the arrival of spring in April, a month marked by gentle warmth and vibrant blossoms. The weather during this period is characterized by a gradual increase in temperatures, signaling the end of the cooler months and the beginning of a new season. For travelers and locals alike, understanding the nuances of Seoul's April weather is essential for planning outings, whether it's to marvel at the cherry blossoms, explore the city's bustling streets, or simply enjoy the outdoors.
Temperature and Humidity in April

April in Seoul is marked by mild temperatures, with averages ranging from 9°C (48°F) at the beginning of the month to 18°C (64°F) towards the end. This gradual warming trend makes April an excellent time to visit, as the weather is generally pleasant, with neither the cold of winter nor the sweltering heat of summer. The humidity, too, is relatively comfortable, averaging around 60%, which is slightly higher than the preceding months but still quite manageable for most activities.
Precipitation and Sunshine Hours
Precipitation in April is relatively moderate, with an average of 12 rainy days throughout the month. However, the total rainfall is not excessively high, averaging around 100 mm (3.9 in), which is spread out over the month. This means that while there may be occasional rainy spells, they are typically not long-lasting. On the other hand, Seoul enjoys a considerable amount of sunshine in April, with an average of 7 hours of direct sunshine per day. This balance between occasional rainfall and ample sunshine makes April an ideal month for outdoor activities, such as visiting the Gyeongbokgung Palace, strolling along the Cheonggyecheon Stream, or exploring the Bukhansan National Park.
Climate Metric | April Average |
---|---|
High Temperature (°C) | 18 |
Low Temperature (°C) | 9 |
Average Humidity (%) | 60 |
Precipitation (mm) | 100 |
Sunshine Hours | 7 |

Clothing and Packing Essentials

Given the variable temperatures in April, packing layers is key. Lightweight jackets or sweaters for the cooler mornings and evenings, along with breathable clothing for warmer afternoons, will ensure you’re comfortable throughout the day. Don’t forget to include waterproof gear, such as an umbrella or a lightweight raincoat, to prepare for the occasional rain shower. Comfortable walking shoes are also a must, as Seoul is best explored on foot, and the mild weather invites long walks and hikes.
Events and Festivals in April
April in Seoul is also a time for celebration, with several festivals and events taking place throughout the month. The Cherry Blossom Festival, though the exact timing can vary from year to year based on when the blossoms peak, usually occurs in early April. This festival is a must-visit for anyone interested in witnessing the breathtaking beauty of Korea’s cherry blossoms. Additionally, the Seoul International Book Fair and the Seoul Jazz Festival are other notable events that attract visitors from around the globe.
Key Points
- Pack layers for variable temperatures, ranging from 9°C to 18°C.
- Include waterproof gear for occasional rain showers.
- Enjoy the city's festivals, such as the Cherry Blossom Festival.
- Take advantage of the pleasant weather for outdoor activities.
- Plan visits to popular spots during less busy hours.
In conclusion, April is a wonderful time to experience Seoul, Korea, with its mild weather, vibrant festivals, and the allure of spring blossoms. By understanding the weather patterns and planning accordingly, visitors can make the most of their trip, enjoying all that this dynamic city has to offer.
What is the best way to enjoy the cherry blossoms in Seoul?
+The best way to enjoy the cherry blossoms is to visit popular spots like Yeouido Island, Jinhae, or the Korea National Arboretum early in the morning or later in the evening to avoid crowds. Also, check the bloom forecast to plan your visit accordingly.
How should I pack for the variable April weather in Seoul?
+Packing layers is essential. Include lightweight jackets for cooler mornings and evenings, along with breathable clothing for warmer afternoons. Don’t forget waterproof gear and comfortable walking shoes.
What are some must-visit festivals in April?
+The Cherry Blossom Festival, the Seoul International Book Fair, and the Seoul Jazz Festival are among the top events. Check the exact dates for each festival as they may vary from year to year.