The weather in Incheon in August is very hot. The average temperatures are between 24°C and 28°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Incheon. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Incheon in August 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
28° / 24°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
326
mm
Sun Hours
10.0
Hrs
