Phnom Penh · WinterMonth summary
Phnom Penh weather in December
✅ Good
🌡️ Temperature min / max
24°C – 31°C
🌧 Rainy days
22% of days
☀️ Sunshine
10.7h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
8.0/10
📅 📅 Best month
January (8.1/10)
Quick decision
Should you visit Phnom Penh in December?
✅ Good
✅ Yes if: you're looking for maximum sunshine — 10.7h per day on average.
❌ No if: you struggle with heat — temperatures regularly exceed 30°C.
Our take: Favourable conditions in December (8.0/10). January scores higher but the gap is small.
By trip type
Phnom Penh in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in December
🎯 Winter dishes and comfort food specialities in local restaurants Even in winter, Phnom Penh enjoys 31°C. A real asset for escaping the European cold. Rain risk remains low (22% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if January (8.1/10) remains theoretically better.
Browse by month
All months for Phnom Penh
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 23°C | 32°C | 12% | 0.6 | 11.0h | 8.1/10 |
| ☀️ February | 24°C | 33°C | 11% | 0.6 | 11.1h | 7.8/10 |
| ☀️ March | 25°C | 34°C | 19% | 1.4 | 11.6h | 7.4/10 |
| 🌤️ April | 26°C | 35°C | 47% | 3.4 | 12.0h | 7.0/10 |
| ⛅ May | 26°C | 33°C | 82% | 6.3 | 10.5h | 5.5/10 |
| ⛅ June | 26°C | 32°C | 79% | 5.9 | 10.0h | 6.6/10 |
| 🌧️ July | 25°C | 32°C | 80% | 6.3 | 8.7h | 6.0/10 |
| 🌧️ August | 25°C | 32°C | 84% | 7.1 | 9.5h | 6.0/10 |
| 🌧️ September | 25°C | 31°C | 93% | 10.4 | 8.5h | 5.4/10 |
| 🌧️ October | 24°C | 31°C | 82% | 10.2 | 9.2h | 6.6/10 |
| 🌤️ November | 24°C | 30°C | 53% | 5.2 | 10.9h | 7.4/10 |
| ☀️ December | 24°C | 31°C | 22% | 1.3 | 10.7h | 8.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Phnom Penh averages 31°C, 22% rainy days and 10.7h of sunshine per day. Overall weather score: 8.0/10.
See methodology →
Comparison
December vs January (best month)
The best month is January (score 8.1/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -10%
- ☀️ Sunshine : +0.3h/day
FAQ
FAQ — Phnom Penh in December
Is December a good time to visit Phnom Penh?
December is an excellent time to visit Phnom Penh (score 8.0/10). With 31°C, 10.7h of sunshine and 22% rain, conditions are very favourable.
What to do in Phnom Penh in December?
With 31°C and 10.7h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
Find a place to stay in Phnom Penh
Find places to stay in Phnom Penh in December
Search on Hotels.com
Activities & tours
Activities and tours in Phnom Penh
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Phnom Penh
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in December
Ho Chi Minh City🌍 Top destinations
Other top destinations in December
Namibia
Agadir
Canary IslandsWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons