The temperatures in South Korea in May are comfortable with low of 14°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in South Korea during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in South Korea in May 2025.
If you’re planning to visit South Korea in the near future, we highly recommend that you review the 14 day weather forecast for South Korea before you arrive.