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Suncheon Weather by Month
Average temperatures, rainfall and humidity for Suncheon, Korea, South, month by month, built from OpenWeather's historical records. Use it to see what a typical Suncheon month looks like before you travel — then check the live Suncheon forecast for the days ahead.
Warmest month
August
30°C average high
Coolest month
January
-2°C average low
Wettest month
July
184 mm of rain
Driest month
December
21 mm of rain
Average temperature and rainfall in Suncheon by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 6°C | -2°C | -13°C / 15°C | 21 mm | 69% | 12 km/h |
| February | 8°C | -1°C | -12°C / 20°C | 32 mm | 65% | 12 km/h |
| March | 13°C | 4°C | -7°C / 24°C | 103 mm | 63% | 10 km/h |
| April | 18°C | 9°C | -3°C / 26°C | 85 mm | 65% | 10 km/h |
| May | 23°C | 13°C | 3°C / 30°C | 72 mm | 68% | 9 km/h |
| June | 26°C | 18°C | 3°C / 33°C | 99 mm | 76% | 8 km/h |
| July | 29°C | 23°C | 7°C / 36°C | 184 mm | 83% | 8 km/h |
| August | 30°C | 23°C | -3°C / 37°C | 128 mm | 80% | 8 km/h |
| September | 26°C | 19°C | -3°C / 34°C | 97 mm | 79% | 9 km/h |
| October | 20°C | 12°C | 1°C / 34°C | 49 mm | 73% | 9 km/h |
| November | 14°C | 6°C | -5°C / 34°C | 36 mm | 71% | 10 km/h |
| December | 7°C | 0°C | -11°C / 19°C | 21 mm | 72% | 11 km/h |
Best time to visit Suncheon
The most comfortable time to visit Suncheon is generally May and September to October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 927 mm a year.
Travellers who prefer heat should aim for August, when highs average 30°C. July is the month to avoid if rain would spoil your plans — it averages 184 mm, roughly 9× the rainfall of December.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Suncheon forecast for what is happening now.