What to Wear in Koh Samui in December
Your complete weather-based packing list derived from 30 years of historical climate data.
December Weather in Koh Samui at a Glance
Avg High
25°C
Avg Low
22°C
Rain Risk
36%
💡 Quick Tip:
Summer essentials: shorts, tank tops, linen fabrics, sandals. Sun hat is a must. Pack a compact umbrella or a light rain jacket just in case.
Weekly Packing Breakdown for Koh Samui
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Essential Packing List for Koh Samui in December
Don't leave home without these essentials.
Top Layers
- ✓T-Shirts / Tank Tops
- ✓Light Cardigan / Hoodie
- ✓No coat needed
Bottoms & Shoes
- ✓Jeans / Heavy Trousers
- ✓Comfortable Walking Shoes
- ✓Socks (Cotton/Athletic)
Accessories
- ✓Sunglasses & Hat
- ✓Compact Umbrella
Common Questions about Koh Samui Weather in December
What is the weather like in Koh Samui in December?
It is mild and pleasant with average highs of 25°C. Nights average around 22°C.
Do I need a heavy coat?
No, a light jacket or sweater is sufficient for cooler moments.
Does it rain often in Koh Samui in December?
There is a moderate chance of rain (36%). It's wise to be prepared.
What shoes should I take to Koh Samui?
Comfortable walking shoes are the most important item. Since there is a chance of rain, water-resistant shoes or boots are recommended.
Can I wear shorts / short sleeves?
Yes, daytimes are warm enough for shorts and short sleeves.