Best Time to Visit Siem Reap
Best time: Jan, Dec, Feb, Mar.
Apr is warmest (35°C high); Sep is rainiest (262 mm).
Siem Reap weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 30.7 | 19 | 2 | 9.1 |
| Feb | 32.7 | 21.4 | 7 | 9.7 |
| Mar | 34.2 | 23.7 | 23 | 10.2 |
| Apr | 35 | 25 | 59 | 10.2 |
| May | 33.9 | 24.8 | 142 | 9.3 |
| Jun | 32.7 | 24.5 | 175 | 8.7 |
| Jul | 31.8 | 24.2 | 196 | 8.2 |
| Aug | 31.7 | 24.3 | 198 | 8.1 |
| Sep | 31.3 | 24 | 262 | 7.9 |
| Oct | 30.8 | 23.5 | 207 | 8.5 |
| Nov | 30.6 | 21.7 | 86 | 8.5 |
| Dec | 30.3 | 19.4 | 13 | 8.5 |
Average high temperature
Best months by activity
Overall: JanDecFebMar
Beaches: JanFebDecMar
Hiking: JanDecFebMar
Sightseeing: JanDecFebMar
Siem Reap quick facts
What to pack
Hot months (Mar, Apr, May, Jun): light clothes, sunscreen, hat.
Wet months (May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Siem Reap?
Jan, Dec, Feb, Mar.
What is the rainiest month?
Sep, about 262 mm.
What is the warmest month?
Apr, with average highs of 35°C.
Where to stay
Book Siem Reap hotels · Siem Reap tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.