Daejeon weather in 2025
Daejeon weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
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Use the graph view to inspect 2025 alongside other available years for Daejeon.
Year summary
In 2025, Daejeon averaged 19.1 C for daily highs and 9.6 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was -0.2 C from that baseline, and total precipitation was -147.9 mm from the baseline total.
The warmest month was July, with an average high of 33.1 C, while February had the lowest average low at -4.5 C.
The wettest month was June, totaling 280.7 mm. The hottest day reached 38.4 C on July 29, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -3.8 | 4.5 | 9.3 | 31 |
| February | -4.5 | 3.8 | 13.3 | 28 |
| March | 2.0 | 12.7 | 53.6 | 31 |
| April | 7.2 | 20.2 | 69.5 | 30 |
| May | 12.3 | 23.7 | 85.4 | 31 |
| June | 18.9 | 28.8 | 280.7 | 30 |
| July | 23.7 | 33.1 | 178.4 | 31 |
| August | 23.8 | 32.1 | 94.3 | 31 |
| September | 20.1 | 27.3 | 206.8 | 30 |
| October | 13.3 | 21.2 | 168.8 | 31 |
| November | 3.8 | 14.1 | 17.7 | 30 |
| December | -2.2 | 6.5 | 30.0 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | July 29, 2025 | 38.4 C |
| Coldest night | January 9, 2025 | -12.0 C |
| Wettest day | June 21, 2025 | 99.3 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.