South Korea
Jeju sees feels-like daytime highs peak around 35.8°C in August and nighttime lows bottom out near 2.5°C in January. July is the wettest month (~244 mm), while January is the driest (~40 mm). For sunshine, November leads with about 70% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are October, May, and June — expect around 17–22.8°C with roughly 20% chance of rain on a given day in October.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 2.5° / 6.9° | 16% | 40 mm | 63% | 27.7 kph |
| February | 3.4° / 7.8° | 20% | 59 mm | 58% | 26.7 kph |
| March | 6.9° / 11.6° | 27% | 98 mm | 51% | 24.3 kph |
| April | 11.1° / 17.7° | 29% | 119 mm | 48% | 21.1 kph |
| May☀ | 16.6° / 23.6° | 31% | 140 mm | 47% | 18 kph |
| June☀ | 23° / 28.7° | 40% | 199 mm | 39% | 16.8 kph |
| July | 28.8° / 34.7° | 47% | 244 mm | 39% | 17.9 kph |
| August | 29.9° / 35.8° | 44% | 231 mm | 48% | 18.8 kph |
| September | 24.1° / 29.7° | 31% | 170 mm | 57% | 20.6 kph |
| October☀ | 17° / 22.8° | 20% | 80 mm | 68% | 22 kph |
| November | 10.5° / 15.3° | 18% | 61 mm | 70% | 23.9 kph |
| December | 5.5° / 9.1° | 16% | 40 mm | 70% | 26.6 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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