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Sariwŏn Weather by Month
Average temperatures, rainfall and humidity for Sariwŏn, Korea, North, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sariwŏn month looks like before you travel — then check the live Sariwŏn forecast for the days ahead.
Warmest month
July
29°C average high
Coolest month
January
-8°C average low
Wettest month
August
99 mm of rain
Driest month
January
6 mm of rain
Average temperature and rainfall in Sariwŏn 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 | -8°C | -24°C / 17°C | 6 mm | 67% | 12 km/h |
| February | 5°C | -4°C | -23°C / 19°C | 12 mm | 63% | 13 km/h |
| March | 12°C | 2°C | -12°C / 27°C | 29 mm | 59% | 12 km/h |
| April | 18°C | 8°C | -8°C / 29°C | 33 mm | 57% | 13 km/h |
| May | 22°C | 13°C | 3°C / 48°C | 42 mm | 64% | 12 km/h |
| June | 26°C | 17°C | 11°C / 34°C | 66 mm | 73% | 10 km/h |
| July | 29°C | 22°C | 16°C / 37°C | 93 mm | 80% | 11 km/h |
| August | 29°C | 22°C | 11°C / 37°C | 99 mm | 81% | 10 km/h |
| September | 25°C | 17°C | 5°C / 33°C | 53 mm | 77% | 10 km/h |
| October | 19°C | 10°C | -5°C / 27°C | 30 mm | 69% | 11 km/h |
| November | 12°C | 3°C | -17°C / 25°C | 30 mm | 66% | 12 km/h |
| December | 4°C | -5°C | -25°C / 21°C | 13 mm | 68% | 13 km/h |
Best time to visit Sariwŏn
The most comfortable time to visit Sariwŏn 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 August, totalling about 506 mm a year.
Travellers who prefer heat should aim for July, when highs average 29°C. August is the month to avoid if rain would spoil your plans — it averages 99 mm, roughly 16× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sariwŏn forecast for what is happening now.