Weather in Phnom Penh in December
Phnom Penh, Cambodia averages a high of 30.5°C (86.9°F) and low of 22.9°C (73.2°F) in December, with 5 rain days and 10 hours of daily sunshine. Travel score: 90.5/100 (Excellent). The best time to visit Phnom Penh is February.
High
31°C87°F
Low
23°C73°F
🌧️
5
rain days
☀️
10
hrs/day sunshine
💧
69%
humidity
91— Excellent
December in Phnom Penh is hot and mostly dry — excellent conditions for exploring.
What are the average temperatures in Phnom Penh?
How much does it rain in Phnom Penh in December?
Phnom Penh receives an average of 30mm of rainfall across 5 rainy days in December. The annual total is 1445.4mm.
What should I pack for Phnom Penh in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 31°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Cambodia in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31