RKSI temperature trend
Incheon International Airport
Temperature and dew point over time. The gap between them is what decides fog, and the temperature itself is what decides your density altitude and takeoff run.
Warmest
28 °C
Sep 22, 2026
Coldest
15 °C
Sep 30, 2026
Mean temperature
21.7 °C
Mean dew point
15.4 °C
1,132 archived observations · Archive updated continuously
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