Seongnam-si weather in 2023
Seongnam-si weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Seongnam-si.
Year summary
In 2023, Seongnam-si averaged 17.3 C for daily highs and 7.8 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 -0.1 C from that baseline, and total precipitation was +331.0 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 -7.6 C.
The wettest month was July, totaling 450.4 mm. The hottest day reached 34.7 C on June 19, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -7.6 | 2.0 | 32.4 | 31 |
| February | -4.5 | 5.8 | 1.4 | 28 |
| March | 1.3 | 14.7 | 19.1 | 31 |
| April | 6.3 | 17.9 | 95.4 | 30 |
| May | 11.9 | 23.5 | 151.9 | 31 |
| June | 17.2 | 26.4 | 225.9 | 30 |
| July | 21.9 | 28.8 | 450.4 | 31 |
| August | 22.2 | 29.3 | 308.4 | 31 |
| September | 18.5 | 25.7 | 184.3 | 30 |
| October | 8.9 | 18.6 | 40.8 | 31 |
| November | 1.0 | 9.6 | 175.5 | 30 |
| December | -4.2 | 4.2 | 82.2 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | June 19, 2023 | 34.7 C |
| Coldest night | January 24, 2023 | -18.4 C |
| Wettest day | November 5, 2023 | 83.1 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.