Incheon weather in 2023
Incheon weather in 2023, with 365 daily observations from Open-Meteo archive data.
Interactive graph
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Use the graph view to inspect 2023 alongside other available years for Incheon.
Year summary
In 2023, Incheon averaged 16.7 C for daily highs and 8.6 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was -0.5 C from that baseline, and total precipitation was +230.2 mm from the baseline total.
The warmest month was August, with an average high of 29.3 C, while January had the lowest average low at -6.1 C.
The wettest month was July, totaling 383.5 mm. The hottest day reached 33.7 C on August 8, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -6.1 | 2.1 | 39.4 | 31 |
| February | -3.4 | 5.0 | 2.8 | 28 |
| March | 2.0 | 12.1 | 27.1 | 31 |
| April | 7.5 | 16.4 | 96.5 | 30 |
| May | 12.6 | 21.3 | 175.5 | 31 |
| June | 17.8 | 24.2 | 222.4 | 30 |
| July | 22.3 | 28.6 | 383.5 | 31 |
| August | 22.8 | 29.3 | 303.7 | 31 |
| September | 18.8 | 26.1 | 159.3 | 30 |
| October | 10.0 | 19.3 | 27.3 | 31 |
| November | 1.9 | 10.3 | 116.8 | 30 |
| December | -3.5 | 4.8 | 77.6 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | August 8, 2023 | 33.7 C |
| Coldest night | January 25, 2023 | -17.0 C |
| Wettest day | August 23, 2023 | 62.4 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.