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Chech’ŏn Weather by Month
Average temperatures, rainfall and humidity for Chech’ŏn, Korea, South, month by month, built from OpenWeather's historical records. Use it to see what a typical Chech’ŏn month looks like before you travel — then check the live Chech’ŏn forecast for the days ahead.
Warmest month
August
29°C average high
Coolest month
January
-11°C average low
Wettest month
July
145 mm of rain
Driest month
January
7 mm of rain
Average temperature and rainfall in Chech’ŏn 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 | 2°C | -11°C | -26°C / 15°C | 7 mm | 64% | 6 km/h |
| February | 4°C | -8°C | -24°C / 17°C | 18 mm | 61% | 7 km/h |
| March | 11°C | -1°C | -13°C / 25°C | 30 mm | 60% | 7 km/h |
| April | 17°C | 5°C | -5°C / 31°C | 43 mm | 60% | 7 km/h |
| May | 23°C | 11°C | 0°C / 32°C | 47 mm | 65% | 7 km/h |
| June | 27°C | 16°C | 6°C / 35°C | 57 mm | 73% | 6 km/h |
| July | 29°C | 21°C | 15°C / 35°C | 145 mm | 81% | 6 km/h |
| August | 29°C | 21°C | 11°C / 37°C | 105 mm | 81% | 5 km/h |
| September | 25°C | 15°C | 4°C / 35°C | 61 mm | 79% | 5 km/h |
| October | 19°C | 7°C | -6°C / 31°C | 39 mm | 75% | 5 km/h |
| November | 11°C | 0°C | -13°C / 31°C | 30 mm | 69% | 6 km/h |
| December | 2°C | -8°C | -23°C / 16°C | 12 mm | 67% | 6 km/h |
Best time to visit Chech’ŏn
The most comfortable time to visit Chech’ŏn is generally May to June and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 594 mm a year.
Travellers who prefer heat should aim for August, when highs average 29°C. July is the month to avoid if rain would spoil your plans — it averages 145 mm, roughly 22× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Chech’ŏn forecast for what is happening now.