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Gangneung Weather by Month
Average temperatures, rainfall and humidity for Gangneung, Korea, South, month by month, built from OpenWeather's historical records. Use it to see what a typical Gangneung month looks like before you travel — then check the live Gangneung forecast for the days ahead.
Warmest month
August
28°C average high
Coolest month
January
-4°C average low
Wettest month
July
88 mm of rain
Driest month
January
10 mm of rain
Average temperature and rainfall in Gangneung 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 | 3°C | -4°C | -24°C / 13°C | 10 mm | 57% | 15 km/h |
| February | 5°C | -3°C | -23°C / 17°C | 14 mm | 61% | 14 km/h |
| March | 10°C | 3°C | -12°C / 24°C | 38 mm | 62% | 14 km/h |
| April | 16°C | 8°C | -3°C / 31°C | 46 mm | 60% | 13 km/h |
| May | 21°C | 13°C | 2°C / 32°C | 38 mm | 64% | 12 km/h |
| June | 23°C | 17°C | 8°C / 33°C | 50 mm | 78% | 9 km/h |
| July | 27°C | 22°C | 14°C / 35°C | 88 mm | 82% | 10 km/h |
| August | 28°C | 22°C | 12°C / 37°C | 85 mm | 83% | 9 km/h |
| September | 23°C | 18°C | 9°C / 33°C | 68 mm | 80% | 10 km/h |
| October | 18°C | 12°C | -1°C / 28°C | 56 mm | 71% | 12 km/h |
| November | 12°C | 5°C | -9°C / 24°C | 34 mm | 60% | 15 km/h |
| December | 5°C | -2°C | -21°C / 17°C | 14 mm | 54% | 17 km/h |
Best time to visit Gangneung
The most comfortable time to visit Gangneung 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 542 mm a year.
Travellers who prefer heat should aim for August, when highs average 28°C. July is the month to avoid if rain would spoil your plans — it averages 88 mm, roughly 9× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Gangneung forecast for what is happening now.