30YearWeather
Packing for Jeju Island
2026 Packing Guide

What to Wear in Jeju Island in December

Your complete weather-based packing list derived from 30 years of historical climate data.

December Weather in Jeju Island at a Glance

Avg High

10°C

Avg Low

6°C

Rain Risk

23%

💡 Quick Tip:

Warm jacket or wool coat, sweaters, long pants. Layering is key. Rain is unlikely, but a small umbrella never hurts.

Weekly Packing Breakdown for Jeju Island

Week 1Days 1-7
7° - 11°
23% Rain

Warm jacket or wool coat, sweaters, long pants.

Week 2Days 8-15
6° - 11°
22% Rain

Warm jacket or wool coat, sweaters, long pants.

Week 3Days 16-23
5° - 9°
29% Rain

Warm jacket or wool coat, sweaters, long pants.

Week 4Days 24+
4° - 8°
19% Rain

Warm jacket or wool coat, sweaters, long pants.

Essential Packing List for Jeju Island in December

Don't leave home without these essentials.

Top Layers

  • Long-sleeve shirts / Base layers
  • Warm Sweater / Fleece
  • Light Jacket / Windbreaker

Bottoms & Shoes

  • Jeans / Heavy Trousers
  • Comfortable Walking Shoes
  • Socks (Cotton/Athletic)

Accessories

  • Scarf & Gloves
  • Compact Umbrella

Common Questions about Jeju Island Weather in December

What is the weather like in Jeju Island in December?

It is mild and pleasant with average highs of 10°C. Nights average around 6°C.

Do I need a heavy coat?

A medium-weight jacket or coat is recommended, especially for evenings.

Does it rain often in Jeju Island in December?

Rain is relatively rare (23% chance), but a small umbrella is always good to have.

What shoes should I take to Jeju Island?

Comfortable walking shoes are the most important item. Sneakers or loafers are perfect.

Can I wear shorts / short sleeves?

No, it's generally too cool. Stick to long pants and layers.