Seoul weather in March

March in Seoul: cold, a little rain — a great time to visit.

#6 of 12 months in Seoul · #340 of 604 destinations to visit in March · comfort 73/100 (tier B)

Updated June 2026 · climate normals from ERA5 reanalysis

Seoul climate normals — March

Daytime high12°C / 54°F🧥 cold
Nighttime low1°C / 34°F
Feels like (high)9°C / 48°F
Rainfall42 mm / 1.7 in🌦 some rain
Rainy days5 days
Humidity67%💧 humid
Dew point0°C / 32°F
Sunshine9.2 h/day
Daylight12 h
Wind16 km/h / 10 mph
Snowfall4.1 cm / 1.6 in
Air quality (US AQI)92🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

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Seoul in March — FAQ

Is March a good time to visit Seoul?
March in Seoul: cold, a little rain — a great time to visit. It ranks #6 of 12 months for Seoul on SeasonMap's comfort score (73/100).
What is the weather like in Seoul in March?
In March, Seoul averages a daily high of 12.2°C and a low of 1.3°C, with about 42 mm of rain over roughly 5 rainy days.
What is the air quality in Seoul in March?
Seoul has a mean US Air Quality Index of about 92 in March.
Does it snow in Seoul in March?
Seoul sees roughly 4.1 cm of snowfall in March.

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