Seoul Weather in April
April in Seoul brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 6°C (43°F). Quite a bit of rainfall is expected, around 74 mm (2.9 in), so pack an umbrella.
Rainfall in Seoul in April
Records from the past 30 years suggest around 8 days of rain, with 74 mm (2.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Seoul in April
Expect highs of 19°C (66°F) in Seoul in April, with nights dropping to around 6°C (43°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Seoul in April
The city usually sees around 208 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Seoul in April
Average wind speeds reach 3 m/s (6 knots) in April, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.For Seoul itself, May and October generally stand 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 Seoul's climate page.
Seoul Temperature in April
Min Temperature
6°C (43°F)
Max Temperature
19°C (66°F)
Chance of Rain
27%
Precipitation
74 mm (2.9 in)
Rainy days
8 days
Humidity
54%
Windspeed
3 m/s (6 knots)
Sunshine
208 hours
Percentage Sunshine
52%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Seoul typically rise from around 15°C (59°F) at the start of April to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 10°C (50°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 Seoul in April
Browse day-by-day weather records for Seoul spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Seoul historical weather extremes in April
According to our 50 years of weather records for Seoul, the following extremes were recorded between 1976 and 2026.
- Seoul recorded its highest April temperature of 30°C (86°F) on April 30, 2005.
- Seoul experienced its chilliest April day on April 3, 1983, reaching only 5°C (41°F).
- Nighttime temperatures dropped to -6°C (21°F) on April 1, 1991, marking the coldest April night on record.
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 →
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What to Wear in Seoul in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Seoul 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 Seoul's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Seoul climate overview or explore weather in South Korea.
