UTC Offset
UTC+07:00
Siem Reap, Cambodia Snapshot 2026
Where is Siem Reap?
Siem Reap, Cambodia
- Continent
- Asia
- Country
- Cambodia
- City
- Siem Reap
- Population
- 139.5K
- Coordinates
- 13.36°, 103.86°
Siem Reap is a city in Cambodia with a population of approximately 139.5K. Average temperatures range from 22°C (71°F) in December to 35°C (94°F) in April. The best time to visit is January, February, December.
Time in Siem Reap right now
Open full time & time zone page 17:53 53
Wednesday, June 17, 2026
IANA time zone
Asia/Phnom_Penh
Daylight saving
No DST
Next DST change
—
Live weather in Siem Reap
Daylight in Siem Reap today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 55m
Climate normals for Siem Reap
Long-term monthly averages based on historical data.
January best
Excellent 
February best
Good March
Poor April
Poor May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Fair December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 31°C / 22°C | 34°C / 23°C | 2days (16 mm) Excellent | 10.2h Excellent | 63% Muggy | 7.3 Very High | Excellent | View Details |
| February best | 33°C / 23°C | 36°C / 25°C | 2days (15 mm) Excellent | 10.6h Excellent | 61% Muggy | 8.2 Very High | Good | View Details |
| March | 34°C / 25°C | 39°C / 29°C | 7days (38 mm) Good | 11h Excellent | 65% Muggy | 8.7 Very High | Poor | View Details |
| April | 35°C / 27°C | 40°C / 31°C | 10days (73 mm) Wet | 11h Excellent | 67% Muggy | 9 Very High | Poor | View Details |
| May | 33°C / 27°C | 40°C / 32°C | 20days (141 mm) Wet | 10.4h Excellent | 76% Humid | 8.1 Very High | Wet | View Details |
| June | 32°C / 26°C | 38°C / 31°C | 20days (123 mm) Wet | 9.9h Good | 78% Humid | 7.5 Very High | Wet | View Details |
| July | 31°C / 26°C | 37°C / 30°C | 24days (169 mm) Wet | 8.8h Good | 81% Humid | 7.2 Very High | Wet | View Details |
| August | 31°C / 25°C | 37°C / 30°C | 23days (154 mm) Wet | 9.3h Good | 82% Humid | 8.1 Very High | Wet | View Details |
| September | 30°C / 25°C | 37°C / 30°C | 26days (255 mm) Wet | 8h Good | 86% Very Muggy | 7.4 Very High | Wet | View Details |
| October | 30°C / 24°C | 36°C / 28°C | 23days (240 mm) Wet | 8.6h Good | 85% Humid | 7.7 Very High | Wet | View Details |
| November | 30°C / 23°C | 35°C / 26°C | 13days (97 mm) Wet | 9.4h Good | 79% Humid | 6.9 High | Fair | View Details |
| December best | 30°C / 22°C | 33°C / 23°C | 4days (25 mm) Good | 9.6h Good | 69% Muggy | 6.7 High | Excellent | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 31°C / 22°C . Feb: 33°C / 23°C . Mar: 34°C / 25°C . Apr: 35°C / 27°C . May: 33°C / 27°C . Jun: 32°C / 26°C . Jul: 31°C / 26°C . Aug: 31°C / 25°C . Sep: 30°C / 25°C . Oct: 30°C / 24°C . Nov: 30°C / 23°C . Dec: 30°C / 22°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 16 mm. Feb: 15 mm. Mar: 38 mm. Apr: 73 mm. May: 141 mm. Jun: 123 mm. Jul: 169 mm. Aug: 154 mm. Sep: 255 mm. Oct: 240 mm. Nov: 97 mm. Dec: 25 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 63%. Feb: 61%. Mar: 65%. Apr: 67%. May: 76%. Jun: 78%. Jul: 81%. Aug: 82%. Sep: 86%. Oct: 85%. Nov: 79%. Dec: 69%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 13 km/h . Feb: 14 km/h . Mar: 13 km/h . Apr: 13 km/h . May: 12 km/h . Jun: 14 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 12 km/h . Oct: 11 km/h . Nov: 12 km/h . Dec: 13 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 7. Aug: UV 8. Sep: UV 7. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Frequently Asked Questions
Siem Reap has a population of approximately 139.5K.
The best months to visit Siem Reap are January, February, December, when temperatures are pleasant and rainfall is lower.
Siem Reap receives approximately 1346mm of rainfall annually across 174 rainy days.
Siem Reap is located in Cambodia, in the Asia region.