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Changwon Weather by Month
Average temperatures, rainfall and humidity for Changwon, Korea, South, month by month, built from OpenWeather’s historical records. Use it to see what a typical Changwon month looks like before you travel — then check the live Changwon forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
-5°C average low
Wettest month
August
132 mm of rain
Driest month
December
15 mm of rain
Average temperature and rainfall in Changwon 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 | 7°C | -5°C | -17°C / 18°C | 17 mm | 57% | 9 km/h |
| February | 9°C | -2°C | -12°C / 22°C | 29 mm | 57% | 9 km/h |
| March | 15°C | 3°C | -7°C / 27°C | 52 mm | 60% | 9 km/h |
| April | 20°C | 8°C | -1°C / 30°C | 73 mm | 61% | 9 km/h |
| May | 25°C | 13°C | 5°C / 35°C | 63 mm | 63% | 8 km/h |
| June | 28°C | 18°C | 7°C / 37°C | 80 mm | 72% | 8 km/h |
| July | 31°C | 23°C | 17°C / 38°C | 94 mm | 78% | 8 km/h |
| August | 32°C | 23°C | 12°C / 39°C | 132 mm | 76% | 8 km/h |
| September | 27°C | 18°C | 7°C / 38°C | 89 mm | 76% | 7 km/h |
| October | 21°C | 10°C | -1°C / 31°C | 62 mm | 70% | 8 km/h |
| November | 15°C | 3°C | -8°C / 26°C | 34 mm | 64% | 8 km/h |
| December | 8°C | -3°C | -14°C / 19°C | 15 mm | 59% | 9 km/h |
Best time to visit Changwon
The most comfortable time to visit Changwon 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 August, totalling about 738 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. August is the month to avoid if rain would spoil your plans — it averages 132 mm, roughly 9× the rainfall of the driest month (December).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Changwon forecast for what is happening now.