What to Wear in Siem Reap in December
Your complete weather-based packing list derived from 30 years of historical climate data.
December Weather in Siem Reap at a Glance
Avg High
30°C
Avg Low
21°C
Rain Risk
7%
💡 Quick Tip:
Summer essentials: shorts, tank tops, linen fabrics, sandals. Sun hat is a must. Rain is unlikely, but a small umbrella never hurts.
Weekly Packing Breakdown for Siem Reap
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 Siem Reap in December
Don't leave home without these essentials.
Top Layers
- ✓T-Shirts / Tank Tops
- ✓Light Cardigan / Hoodie
- ✓No coat needed
Bottoms & Shoes
- ✓Shorts / Skirts / Light Trousers
- ✓Comfortable Walking Shoes
- ✓Socks (Cotton/Athletic)
Accessories
- ✓Sunglasses & Hat
- ✓Beanie / Hat
Common Questions about Siem Reap Weather in December
What is the weather like in Siem Reap in December?
It is generally hot with average highs of 30°C. Nights average around 21°C.
Do I need a heavy coat?
No, a light jacket or sweater is sufficient for cooler moments.
Does it rain often in Siem Reap in December?
Rain is relatively rare (7% chance), but a small umbrella is always good to have.
What shoes should I take to Siem Reap?
Comfortable walking shoes are the most important item. Sneakers or loafers are perfect. You can also pack sandals for warmer days.
Can I wear shorts / short sleeves?
Yes, daytimes are warm enough for shorts and short sleeves.