Weatheo

Sihŭng Weather by Month

Average temperatures, rainfall and humidity for Sihŭng, Korea, South, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sihŭng month looks like before you travel — then check the live Sihŭng forecast for the days ahead.

Warmest month

August

30°C average high

Coolest month

January

-7°C average low

Wettest month

July

121 mm of rain

Driest month

January

9 mm of rain

Average temperature and rainfall in Sihŭng by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January3°C-7°C-19°C / 26°C
9 mm
64%11 km/h
February5°C-4°C-16°C / 27°C
18 mm
62%11 km/h
March12°C2°C-9°C / 24°C
32 mm
59%10 km/h
April18°C8°C-2°C / 31°C
45 mm
59%10 km/h
May23°C13°C5°C / 33°C
46 mm
65%9 km/h
June27°C19°C12°C / 35°C
50 mm
70%8 km/h
July30°C23°C16°C / 37°C
121 mm
78%9 km/h
August30°C23°C14°C / 37°C
93 mm
77%9 km/h
September27°C18°C9°C / 36°C
61 mm
70%8 km/h
October20°C10°C-1°C / 29°C
40 mm
67%10 km/h
November12°C3°C-9°C / 28°C
37 mm
64%10 km/h
December4°C-5°C-16°C / 31°C
21 mm
64%10 km/h

Best time to visit Sihŭng

The most comfortable time to visit Sihŭng 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 572 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 121 mm, roughly 14× the rainfall of the driest month (January).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sihŭng forecast for what is happening now.

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