Siem Reap, Cambodia Weather

  1. Siem Reap, Cambodia Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Siem Reap over the next 12 hours
  7. Temperature and possibility of rain in Siem Reap in the coming days
  8. Rainfall in Siem Reap in the coming days
  9. Siem Reap Weather Summary
  10. Weather averages by month
  11. Siem Reap's weather
  12. Frequently asked questions
  13. Comments
Siem Reap, Weather
(Photo by martin bennie on Unsplash)

Current conditions

Updated:
31°C
87.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,005 hPa

Feel like: 35 °C

Temperature: 31°C

Cloud: 20%

Humidity: 58%

Wind: SW - 10 km/h

Visibility: 35.82 km

Weather forecast

Sun
21 Jun
25°C / 34°C
Slight Thunderstorm
Mon
22 Jun
25°C / 34°C
Slight Thunderstorm
Tue
23 Jun
26°C / 34°C
Slight Thunderstorm
Wed
24 Jun
26°C / 33°C
Slight Thunderstorm
Thu
25 Jun
26°C / 33°C
Thunderstorm With Slight
Hourly forecast today:
10:00 AM
22° / 31°
22° / 31°
Mainly Clear
58% 23 km/h
11:00 AM
24° / 30°
24° / 30°
Mainly Clear
68% 18 km/h
12:00 PM
24° / 29°
24° / 29°
Mainly Clear
74% 6 km/h
13:00 PM
23° / 28°
23° / 28°
Mainly Clear
75% 9 km/h
14:00 PM
23° / 28°
23° / 28°
Partly Cloudy
76% 17 km/h
15:00 PM
23° / 27°
23° / 27°
Mainly Clear
80% 17 km/h
16:00 PM
23° / 27°
23° / 27°
Clear Sky
82% 15 km/h
17:00 PM
24° / 26°
24° / 26°
Clear Sky
84% 13 km/h
18:00 PM
24° / 26°
24° / 26°
Overcast
86% 10 km/h
19:00 PM
24° / 26°
24° / 26°
Overcast
88% 9 km/h
20:00 PM
24° / 25°
24° / 25°
Partly Cloudy
90% 7 km/h

30 Day Averages and Extremes

  • Average high 31.0°C
  • Average low 24.53°C
  • Hottest day 34°C (08 June 2026)
  • Coldest day 0°C (04 July 2026)
  • Average humidity 77.43%
  • Days with precipitation 30 days
  • Highest precipitation 68 mm (09 June 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 25°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Siem Reap over the next 12 hours

Temperature and possibility of rain in Siem Reap in the coming days

Rainfall in Siem Reap in the coming days

Siem Reap Climate Summary

Siem Reap features a Tropical wet and dry or savanna (Köppen classification: Aw), with an average annual temperature of 29.43ºC (84.97ºF), which is about 0.46% higher than the national average for Cambodia. Annually, the city experiences approximately 116.39 millimeters (4.58 inches) of rainfall, spread across 195.81 rainy days, accounting for 53.65% of the year.

Longitude 13.3632533
Latitude 103.856403
Yearly high temperature 32.69ºC (90.84ºF)
Yearly low temperature 24.55ºC (76.19ºF)
Hottest month March 35.67ºC (96.21ºF)
Coldest month January 21.75ºC (71.15ºF)
Yearly precip 116.39mm (4.58in)
Days with rainfall 195.81 days (53.65%)
Driest month January (60.35%)
Wettest month September (80.96%)

Weather averages by month

Month High / Low (°C) Rain
January 31.69° / 21.75° 2.45 days
February 34.01° / 23.42° 3.27 days
March 35.67° / 25.89° 9.18 days
April 35.74° / 26.88° 16.0 days
May 34.77° / 26.74° 21.55 days
June 32.82° / 25.64° 24.36 days
July 31.71° / 24.88° 26.73 days
August 31.63° / 24.98° 25.27 days
September 31.35° / 24.97° 28.09 days
October 31.18° / 24.45° 23.09 days
November 31.22° / 23.51° 11.91 days
December 30.44° / 21.46° 3.91 days

Siem Reap's weather

Frequently asked questions

1. What is the hottest month in Siem Reap?

March has the highest average monthly temperature (daily mean of 35.67ºC) and January are the coolest (daily mean of 21.75ºC).

2. What should I wear in Siem Reap today?

For today's very hot weather in Siem Reap, with the high temperatures above 34ºC (93.2ºF), consider wearing:
- Lightweight, loose-fitting shorts
- Broad-brimmed sun hat
- Sleeveless tops or vests
- UV-blocking sunglasses

Temperature

Early
23°C / 30°C
Morning
22°C / 32°C
Afternoon
23°C / 27°C
Evening
24°C / 25°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 253
  • NH3 0
  • NO2 2
  • O3 76
  • PM10 9
  • PM25 7
  • SO2 0
  • CH4 1,365

Sunrise / Sunset

22:39
11:33