Dry Season (November to April) is the ideal time to visit Phnom Penh with cool temperatures (20-30°C), minimal rainfall, and clear skies. December to February offers the coolest, most comfortable weather. This peak season features lower humidity and stable conditions perfect for sightseeing and outdoor activities.
Rainy Season (May to October) brings warm, humid conditions with frequent afternoon downpours. While cheaper and less crowded, afternoons are often uncomfortably wet. March and September-October transition months offer moderate conditions and fewer tourists.
| Month | Temperature | Rainfall | Tourism |
|---|---|---|---|
| Nov-Feb | 20-30°C | Minimal | Peak |
| Mar-May | 25-35°C | Increasing | Decreasing |
| Jun-Oct | 24-32°C | Heavy | Low |