Jeju Weather in August

August in Jeju averages 29°C (84°F) during the day and 25°C (77°F) at night. August is part of the rainy season, with around 175 mm (6.9 in) of rainfall and frequent showers.

Rainfall in Jeju in August

As part of the rainy season, Jeju sees around 13 days of rain in August, with an average of 175 mm (6.9 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Jeju in August

If you're visiting Jeju in August, expect highs of 29°C (84°F) and overnight lows around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about. This is typically the warmest month of the year, so light summer clothing is a good idea.

Sunshine in Jeju in August

There are approximately 193 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

Should you favor a climate that's both dry and comfortably warm, October typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.