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Siem Reap Weather

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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Monitorly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.

Based on the live forecast above, Siem Reap’s current temperature sits in the low 30s Celsius with partly cloudy skies and high humidity. This means conditions are typical of the tropical monsoon climate — hot and sticky, with rain likely later in the day.

What is the typical weather pattern in Siem Reap?

Siem Reap has two distinct seasons driven by the monsoon. The dry season runs from November to April, with siem reap weather by month showing daytime highs around 30–34°C and low rainfall. From May to October the wet season brings frequent downpours, high humidity and slightly cooler temperatures averaging 28–32°C. For travellers planning around siem reap weather november, that month marks the start of the dry season with comfortable conditions and clear skies.

How reliable are the forecasts for Siem Reap?

Short-range outlooks such as weather in siem reap 10 days or siem reap weather 14 days are generally accurate for broad trends (e.g. rain vs dry), though localised showers can be hard to pin down. For the weather in siem reap tomorrow, the live forecast above is your best guide. Longer-term products like a siem reap weather forecast 30 days indicate a seasonal pattern rather than daily accuracy, while a siem reap weather forecast 7 days gives a reliable week-ahead snapshot.

Average yearly temperature28°C
Wet seasonMay–October (75% of annual rain)
Dry seasonNovember–April (less than 50 mm/month)
Average humidity75–85% year-round
When is the rainy season in Siem Reap?

The wet season runs from May to October, with heaviest rainfall typically in September and October. Afternoon thunderstorms are common, but mornings are often sunny. Siem reap weather radar can help track approaching storms.

Is November a good time to visit?

Yes. November is the start of the dry season, with siem reap weather november featuring lower humidity, less rain and daytime temperatures around 30°C. It is one of the most popular months for temple visits.

What should I pack for Siem Reap weather?

Light, breathable clothing, a rain jacket or umbrella (especially in wet season), sunscreen, insect repellent and a hat. Comfortable walking shoes are essential for exploring Angkor Wat in the heat.

For more Australian weather information, visit our Australia weather hub or check conditions in Sydney Weather.