In March, Phnom Penh
enters the peak of its hot dry season. You can expect scorching days with temperatures often reaching 34°C to 37°C (93°F–99°F) and muggy nights averaging 23°C to 26°C (73°F–79°F).
March Weather Summary
- Temperature: Typically the hottest time of the year before the April peak. Daytime highs are extremely high, while nights remain warm and humid.
- Sunshine: Expect about 8 to 9 hours of bright sunshine daily. Skies are generally clear, though cloud cover increases toward the end of the month.
- Rainfall: Very dry, with only about 2 to 4 rainy days on average. Total monthly precipitation is low, typically between 10mm and 44mm.
- Humidity: Feels "very high" or "oppressive," particularly in the afternoons. Humidity levels typically hover around 53% to 71%.
- UV Index: Extreme (11+). Protection from the sun is essential.
Traveler Tips
- Plan Early: Start your sightseeing at sunrise to avoid the midday heat. Many travelers take a break between 11:00 AM and 4:00 PM to stay indoors or by a pool.
- Dress Light: Wear breathable fabrics like cotton or linen. Remember to pack a sarong or light scarf to cover your shoulders and knees for temple visits.
- Stay Hydrated: The combination of heat and high humidity can be physically draining, so carry water at all times.
