Climate of Seongnam, Gyeonggi, South Korea
Point-value climate at Seongnam (Gyeonggi, Korea, Republic of). Population approximately 942,000.
Located in Gyeonggi, Korea, Republic of, Seongnam has a strongly continental climate. Population approximately 942,000. Monthly average temperatures range from -3.5°C / 25.7°F in January to 25°C / 77°F in August, with rainfall varying from 22 mm / 0.9 in (January) to 340 mm / 13.4 in (July) — about 1320 mm / 52 in across the year. These are point-value climate normals sampled at Seongnam's coordinates — often quite different from the surrounding region's area-weighted average.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -3.5°C25.7°F | 22 mm0.9″ | Snowy |
| February | -1°C30.2°F | 26 mm1″ | Snowy |
| March | 4.5°C40.1°F | 46 mm1.8″ | — |
| April | 11.5°C52.7°F | 84 mm3.3″ | — |
| May | 16.9°C62.4°F | 96 mm3.8″ | — |
| June | 21.4°C70.5°F | 136 mm5.4″ | — |
| July | 24.6°C76.3°F | 340 mm13.4″ | — |
| August | 25°C77°F | 297 mm11.7″ | — |
| September | 20°C68°F | 151 mm5.9″ | — |
| October | 13.3°C55.9°F | 48 mm1.9″ | — |
| November | 5.9°C42.6°F | 50 mm2″ | — |
| December | -0.7°C30.7°F | 24 mm0.9″ | Snowy |
Frequently asked questions
What is the best time to visit Seongnam?
Seongnam does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. Seongnam's warmest month is August at an average of 25°C / 77°F, and its driest month is January with about 22 mm / 0.9 in of rain.
What is the climate of Seongnam?
Seongnam, in Gyeonggi, Korea, Republic of, has monthly average temperatures ranging from -3.5°C / 25.7°F in January to 25°C / 77°F in August. Annual rainfall is approximately 1320 mm / 52 in, with the wettest month being July (340 mm / 13.4 in) and the driest January (22 mm / 0.9 in).
What is the average temperature in Seongnam in August?
The average temperature in Seongnam in August is 25°C / 77°F, with rainfall of about 297 mm / 11.7 in — the warmest month of the year.
When is the driest month in Seongnam?
The driest month in Seongnam is January, with about 22 mm / 0.9 in of average monthly rainfall. Average temperature that month is -3.5°C / 25.7°F.
When is the wettest month in Seongnam?
The wettest month in Seongnam is July, with approximately 340 mm / 13.4 in of average monthly rainfall.