Cambodia·REP·Asia
Cheap Flights to Siem Reap
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Overview
Flying to Siem Reap
Country
Cambodia
Region
Asia
Airport
REP
Cheapest month we saw
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Climate
Weather in Siem Reap, month by month
The warmest month in Siem Reap is March, at an average high of 95°F; the coolest is September at 86°F. September brings the most rain.
| Month | High | Low | Rain |
|---|---|---|---|
| January | 88°F | 70°F | 0.2 in |
| February | 93°F | 73°F | 0.4 in |
| March | 95°F | 77°F | 2.3 in |
| April | 91°F | 79°F | 5.2 in |
| May | 91°F | 79°F | 5.6 in |
| June | 90°F | 79°F | 5.2 in |
| July | 88°F | 77°F | 5.7 in |
| August | 88°F | 77°F | 6.5 in |
| Septemberthis month | 86°F | 77°F | 9.7 in |
| October | 86°F | 75°F | 8.1 in |
| November | 86°F | 72°F | 2.3 in |
| December | 86°F | 70°F | 0.2 in |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Siem Reap guide coming soon
We're writing an in-depth guide to Siem Reap — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Siem Reap — your questions answered
- When is it warm in Siem Reap?
- It is warm in Siem Reap all year: every month averages a daily high between 86°F and 95°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Siem Reap in September?
- In September, Siem Reap averages a daily high of 86°F and an overnight low of 77°F; about 9.7 inches of rain fall across the month. Ten-year measured averages — an individual week can differ.
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