Weather in Seoul in May
May in Seoul is mild with average temperatures around 16.0°C (60.8°F). Moderate rainfall of 84mm spread over 8 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
21.3°C
70.3°F
Low
10.8°C
51.4°F
Precipitation
84 mm
3.3 inches
~8 rainy days
Conditions
Humidity
75%
Comparison to Adjacent Months
May is 6.0°C warmer than April.
May is 5.0°C cooler than June, 32mm drier than June.