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Hamhŭng Weather by Month
Average temperatures, rainfall and humidity for Hamhŭng, Korea, North, month by month, built from OpenWeather’s historical records. Use it to see what a typical Hamhŭng month looks like before you travel — then check the live Hamhŭng forecast for the days ahead.
Warmest month
July
26°C average high
Coolest month
January
-12°C average low
Wettest month
July
137 mm of rain
Driest month
January
2 mm of rain
Average temperature and rainfall in Hamhŭng 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 | -1°C | -12°C | -37°C / 9°C | 2 mm | 69% | 7 km/h |
| February | 1°C | -10°C | -32°C / 15°C | 3 mm | 67% | 7 km/h |
| March | 8°C | -3°C | -25°C / 23°C | 24 mm | 65% | 7 km/h |
| April | 15°C | 4°C | -12°C / 29°C | 33 mm | 62% | 8 km/h |
| May | 21°C | 10°C | 1°C / 34°C | 54 mm | 67% | 9 km/h |
| June | 23°C | 15°C | 5°C / 34°C | 88 mm | 79% | 6 km/h |
| July | 26°C | 19°C | 9°C / 36°C | 137 mm | 85% | 6 km/h |
| August | 26°C | 19°C | 4°C / 37°C | 128 mm | 86% | 6 km/h |
| September | 21°C | 13°C | 2°C / 31°C | 72 mm | 82% | 6 km/h |
| October | 15°C | 6°C | -11°C / 28°C | 36 mm | 74% | 6 km/h |
| November | 8°C | -1°C | -21°C / 23°C | 31 mm | 69% | 7 km/h |
| December | 0°C | -10°C | -27°C / 12°C | 3 mm | 67% | 8 km/h |
Best time to visit Hamhŭng
The most comfortable time to visit Hamhŭng 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 611 mm a year.
Travellers who prefer heat should aim for July, when highs average 26°C. July is the month to avoid if rain would spoil your plans — it averages 137 mm, roughly 63× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Hamhŭng forecast for what is happening now.