WanderWhen

Seoul weather in April

April is one of the best months to visit Seoul. Expect highs around 18°C, lows near 6°C, and about 6.3 days with rain.

9.8 · Excellenttravel score for April
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
18°C
Avg low
6°C
Rainfall
55 mm
Rain days
6.3
Sunshine
9.1 h/day
Daylight
13 h

What to pack for Seoul in April

  • long sleeves and a warm layer
  • a medium jacket
  • a packable rain layer

Humidity averages 64%; max daily wind around 20 km/h.

How April compares

January: 1.8/10 JFebruary: 3.3/10 FMarch: 6.6/10 MApril: 9.8/10 AMay: 9.6/10 MJune: 8.9/10 JJuly: 5.2/10 JAugust: 5.1/10 ASeptember: 8.8/10 SOctober: 9.8/10 ONovember: 6.2/10 NDecember: 2.0/10 D

Best months in Seoul: April–May & October. See the full best time to visit Seoul guide.

Seoul in April: the details

In April, Seoul sees average daytime highs of 18°C (64°F) and overnight lows of 6°C (43°F). Rainfall totals roughly 55 mm across 6.3 rainy days, and the sun shines about 9.1 hours per day with 13 hours of daylight mid-month. Relative humidity averages 64%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Seoul, South Korea (37.57, 126.98) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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