When to go · Incheon, South Korea
Best Time to Visit Incheon
The sweet spot for Incheon is May, September and June. Here's every month's temperature and rain so you can plan around your own dates.
Go now
May, September, June
Comfortable and drier
Shoulder
March, October, April
Fewer crowds, a trade-off
Think twice
July, December
Wettest is August (354mm)
Incheon weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| Jan | 2°C / 36°F | -6°C / 21°F | 21mm | cold, mostly dry |
| Feb | 4°C / 39°F | -4°C / 25°F | 7mm | cold, mostly dry |
| Mar | 11°C / 52°F | 2°C / 36°F | 68mm | cool, some rain |
| Apr | 16°C / 61°F | 7°C / 45°F | 73mm | cool, some rain |
| MayBEST | 20°C / 68°F | 12°C / 54°F | 132mm | mild, wet |
| JunBEST | 24°C / 75°F | 18°C / 64°F | 193mm | warm, wet |
| Jul | 29°C / 84°F | 23°C / 73°F | 235mm | hot, very wet |
| Aug | 28°C / 82°F | 22°C / 72°F | 354mm | warm, very wet |
| SepBEST | 25°C / 77°F | 18°C / 64°F | 173mm | warm, wet |
| Oct | 19°C / 66°F | 10°C / 50°F | 71mm | mild, some rain |
| Nov | 12°C / 54°F | 3°C / 37°F | 79mm | cool, some rain |
| Dec | 3°C / 37°F | -5°C / 23°F | 34mm | cold, mostly dry |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in Incheon plans around the seasons for you.