✨December is an excellent time to visit Siem Reap — expect warm days around 86°F (lows near 71°F), minimal rain, plenty of sunshine.
December Climate
Why This Matches
Based on your December search preferences
Avg highs of 86°F
4 rain days expected
9.5 hours of sunshine per day
69% average humidity
Year-Round Climate
Temperature
Sunshine
Rainfall
Best Time to Visit Siem Reap
The best time to visit Siem Reap is January–February and December, with highs around 88°F, minimal rainfall, 10+ hours of daily sunshine.
Weather Risks
Rainy season
May, June, July, August, September, October
Monsoon season
Varies by area — typically May–October
Very high humidity
September
What to Pack
Based on December conditions in Siem Reap
Light, breathable fabrics — linen and cotton are ideal
High SPF sunscreen, sunglasses, and a hat — strong sun expected
Comfortable walking shoes — you'll cover a lot of ground
Insect repellent — mosquitoes are active in humid conditions
December in Siem Reap
Flight prices unavailable for this route
Nightly hotel rates
Budget
$10–$23
Mid-Range
$33–$78
Luxury
$104–$260
About Siem Reap
Gateway to Angkor Wat, one of humanity's greatest architectural achievements. Beyond the temples, Siem Reap has a surprisingly lively food and nightlife scene, all at remarkably low prices.
