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Hosan Weather by Month
Average temperatures, rainfall and humidity for Hosan, Korea, South, month by month, built from OpenWeather's historical records. Use it to see what a typical Hosan month looks like before you travel — then check the live Hosan forecast for the days ahead.
Warmest month
August
30°C average high
Coolest month
January
-4°C average low
Wettest month
July
142 mm of rain
Driest month
January
14 mm of rain
Average temperature and rainfall in Hosan 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 | 4°C | -4°C | -21°C / 16°C | 14 mm | 74% | 11 km/h |
| February | 6°C | -3°C | -17°C / 18°C | 20 mm | 70% | 11 km/h |
| March | 12°C | 2°C | -11°C / 27°C | 52 mm | 68% | 11 km/h |
| April | 18°C | 7°C | -6°C / 27°C | 58 mm | 68% | 11 km/h |
| May | 23°C | 13°C | 4°C / 31°C | 47 mm | 71% | 10 km/h |
| June | 27°C | 18°C | 10°C / 34°C | 59 mm | 78% | 9 km/h |
| July | 29°C | 23°C | 12°C / 39°C | 142 mm | 85% | 10 km/h |
| August | 30°C | 23°C | 15°C / 37°C | 104 mm | 84% | 9 km/h |
| September | 26°C | 18°C | 7°C / 36°C | 68 mm | 81% | 9 km/h |
| October | 20°C | 10°C | -2°C / 33°C | 46 mm | 76% | 9 km/h |
| November | 13°C | 4°C | -8°C / 25°C | 39 mm | 73% | 10 km/h |
| December | 6°C | -2°C | -16°C / 18°C | 24 mm | 75% | 11 km/h |
Best time to visit Hosan
The most comfortable time to visit Hosan 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 673 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 142 mm, roughly 10× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Hosan forecast for what is happening now.