AU
Level 2Exercise increased caution
Exercise increased caution
Cambodia · Regional climate
Siem Reapwhen to go
Regional slice of Cambodia with its own temperature profile. Best months here: Jan · Nov · Dec.
- Range
- 31–36 °C
- Compare
- +0.3°C vs. Cambodia mean
- Country
- Cambodia
- TZ
- Asia/Phnom_Penh
Region match
Good option
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12-month climate · Siem Reap
How the year moves in Siem Reap
Ten years of ERA5, aggregated over Siem Reap itself rather than over Cambodia as a whole — the same series the month-by-month scores below are built from.
View data table
| Month | Average daytime high (°C) |
|---|---|
| January | 31.7 |
| February | 33.4 |
| March | 35.0 |
| April | 35.7 |
| May | 34.4 |
| June | 33.5 |
| July | 32.3 |
| August | 32.5 |
| September | 31.4 |
| October | 31.4 |
| November | 31.3 |
| December | 30.7 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 16 |
| February | 13 |
| March | 45 |
| April | 80 |
| May | 173 |
| June | 161 |
| July | 213 |
| August | 206 |
| September | 299 |
| October | 218 |
| November | 86 |
| December | 23 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 8.1 |
| February | 8.6 |
| March | 8.0 |
| April | 7.6 |
| May | 5.9 |
| June | 5.5 |
| July | 4.3 |
| August | 4.7 |
| September | 3.8 |
| October | 5.0 |
| November | 6.4 |
| December | 7.3 |
What’s open · year round
Things to do in Siem Reap
- LimitedAngkor
Limited July–September · at its best November–March
Sources: asiaodysseytravel.com, indochinatour.com
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
Other regions · Cambodia
Nearby and comparable
Safety · 4 governments
What the governments say about Cambodia
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 4 governments · Advisory last changed
See breakdown by countryHide breakdown
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 2Exercise increased caution
Exercise increased caution
US
Level 2Exercise increased caution
Exercise increased caution
Parts of Cambodia carry a higher advisory — up to level 4, "Do not travel". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.
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