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Plotting your next adventure...
Plotting your next adventure...
South Korea · Monthly climate data and best time to visit
Hot summers and cold winters with significant temperature swings between seasons. Plan your visit timing carefully to match your weather preferences.
Jeju enjoys favorable weather for most of the year, with May, June, July, August, September, October all meeting our criteria for comfortable temperatures and low rainfall. You have plenty of flexibility when planning your stay.
Based on comfortable temperatures (18-30C) and low rainfall (<100mm)
* Source: Open-Meteo historical averages
| Month | Season | Avg | High | Low | Rain | Humidity |
|---|---|---|---|---|---|---|
| January | Avoid | 🧊5.4°C | 7.9°C | 2.8°C | ☀️3.4mm Dry | 75% |
| February | Avoid | 🧊6.2°C | 8.8°C | 3.5°C | ☀️4.4mm Dry | 75% |
| March | Avoid | 🌤️10.6°C | 14°C | 7.1°C | ☀️5.2mm Dry | 74% |
| April | Avoid | 🌤️14.6°C | 17.8°C | 11.2°C | 4.1mm |
Winter is the coldest period in Jeju, averaging 6°C. Cold but dry, which is often more bearable than cold and wet.
Spring in Jeju is cool with averages near 14°C. Dry conditions and crisp air make for refreshing walks between work sessions.
Summer brings warm, comfortable weather to Jeju with average temperatures around 26°C. Low rainfall makes this an excellent season for digital nomads who enjoy working outdoors.
Autumn in Jeju is cool with averages near 19°C. Dry conditions and crisp air make for refreshing walks between work sessions.
The best months to visit Jeju are May, June, July, August, September, October, when temperatures are comfortable (18-30°C) and rainfall is low (under 100mm).
The hottest month in Jeju is August with an average temperature of 27.5°C and highs reaching 30°C.
Jeju does not experience a significant rainy season — rainfall stays below 100mm in all months.
Snow is rare in Jeju, but temperatures can drop near freezing in January (lows around 2.8°C).
| 74% |
| May | Best | 🌤️18.2°C | 21.4°C | 15°C | ☀️5.5mm Dry | 75% |
| June | Best | ☀️22.7°C | 25.4°C | 20.1°C | ☀️7.1mm Dry | 83% |
| July | Best | ☀️27.2°C | 29.7°C | 24.9°C | ☀️7.3mm Dry | 85% |
| August | Best | ☀️27.5°C | 30°C | 25.4°C | ☀️7.3mm Dry | 84% |
| September | Best | ☀️24.9°C | 27.1°C | 22.9°C | ☀️10.6mm Dry | 84% |
| October | Best | 🌤️19.1°C | 21.4°C | 16.8°C | ☀️3.7mm Dry | 77% |
| November | Avoid | 🌤️13.5°C | 16.3°C | 10.8°C | ☀️5.3mm Dry | 74% |
| December | Avoid | 🧊7.6°C | 10.1°C | 5.1°C | ☀️2.8mm Dry | 74% |