Historical weather in Incheon, South Korea
Incheon weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, Incheon averaged 17.2 C for daily highs and 9.0 C for daily lows across 1096 daily observations.
The warmest month was July 2025, with an average high of 31.6 C, while January 2023 had the lowest average low at -6.1 C.
The wettest month was July 2024, totaling 392.9 mm of precipitation.
The hottest day reached 36.9 C on July 10, 2025; the coldest night fell to -17.0 C on January 25, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | -6.1 | 2.1 | 39.4 | 31 |
| 2023 | February | -3.4 | 5.0 | 2.8 | 28 |
| 2023 | March | 2.0 | 12.1 | 27.1 | 31 |
| 2023 | April | 7.5 | 16.4 | 96.5 | 30 |
| 2023 | May | 12.6 | 21.3 | 175.5 | 31 |
| 2023 | June | 17.8 | 24.2 | 222.4 | 30 |
| 2023 | July | 22.3 | 28.6 | 383.5 | 31 |
| 2023 | August | 22.8 | 29.3 | 303.7 | 31 |
| 2023 | September | 18.8 | 26.1 | 159.3 | 30 |
| 2023 | October | 10.0 | 19.3 | 27.3 | 31 |
| 2023 | November | 1.9 | 10.3 | 116.8 | 30 |
| 2023 | December | -3.5 | 4.8 | 77.6 | 31 |
| 2024 | January | -5.3 | 2.8 | 20.2 | 31 |
| 2024 | February | -1.7 | 6.9 | 70.4 | 29 |
| 2024 | March | 0.5 | 10.6 | 36.2 | 31 |
| 2024 | April | 8.4 | 19.8 | 43.4 | 30 |
| 2024 | May | 11.9 | 21.5 | 112.7 | 31 |
| 2024 | June | 17.4 | 27.5 | 101.9 | 30 |
| 2024 | July | 22.8 | 28.7 | 392.9 | 31 |
| 2024 | August | 24.3 | 31.3 | 176.9 | 31 |
| 2024 | September | 20.5 | 27.9 | 194.1 | 30 |
| 2024 | October | 10.9 | 20.0 | 66.8 | 31 |
| 2024 | November | 4.1 | 13.0 | 44.5 | 30 |
| 2024 | December | -3.6 | 3.6 | 5.2 | 31 |
| 2025 | January | -4.7 | 2.3 | 19.3 | 31 |
| 2025 | February | -5.3 | 2.4 | 5.2 | 28 |
| 2025 | March | 1.3 | 11.1 | 56.9 | 31 |
| 2025 | April | 6.3 | 16.3 | 111.4 | 30 |
| 2025 | May | 12.3 | 21.3 | 87.0 | 31 |
| 2025 | June | 18.7 | 26.8 | 90.4 | 30 |
| 2025 | July | 24.2 | 31.6 | 237.0 | 31 |
| 2025 | August | 24.1 | 30.3 | 159.9 | 31 |
| 2025 | September | 19.4 | 26.3 | 331.5 | 30 |
| 2025 | October | 12.5 | 19.8 | 148.5 | 31 |
| 2025 | November | 3.8 | 12.7 | 20.2 | 30 |
| 2025 | December | -3.5 | 4.3 | 40.8 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | July 10, 2025 | 36.9 C |
| Coldest night | January 25, 2023 | -17.0 C |
| Wettest day | September 20, 2024 | 80.7 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.