The temperatures in Incheon in May are usually low and can range between 14°C and 19°C.
You can expect about 3 to 8 days of rain in Incheon 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 Incheon in May 2025.
If you’re planning to visit Incheon in the near future, we highly recommend that you review the 14 day weather forecast for Incheon before you arrive.
Temperatures
19° / 14°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
123
mm
Sun Hours
10.2
Hrs
