Siem Reap, Cambodia Weather

Siem Reap,  Weather
(Photo by martin bennie on Unsplash)

Current conditions

Updated:
27°C
80.6°F
°C °F

Condition: Clear Sky

Pressure: 1,007 hPa

Feel like: 33 °C

Temperature: 27°C

Cloud: 9%

Humidity: 87%

Wind: ENE - 0 km/h

Visibility: 23.34 km

Weather forecast

Sun
21 Jun
25°C / 33°C
Slight Thunderstorm
Mon
22 Jun
25°C / 33°C
Thunderstorm With Slight
Tue
23 Jun
25°C / 33°C
Drizzle
Wed
24 Jun
26°C / 33°C
Slight Thunderstorm
Thu
25 Jun
26°C / 33°C
Slight Thunderstorm
Hourly forecast today:
00:00 AM
25° / 27°
25° / 27°
Clear Sky
87% 7 km/h
01:00 AM
24° / 28°
24° / 28°
Clear Sky
80% 9 km/h
02:00 AM
24° / 30°
24° / 30°
Clear Sky
72% 14 km/h
03:00 AM
24° / 31°
24° / 31°
Drizzle
67% 19 km/h
04:00 AM
24° / 31°
24° / 31°
Slight Thunderstorm
66% 20 km/h
05:00 AM
24° / 32°
24° / 32°
Thunderstorm With Slight
63% 21 km/h
06:00 AM
24° / 29°
24° / 29°
Thunderstorm With Slight
77% 28 km/h
07:00 AM
25° / 26°
25° / 26°
Slight Thunderstorm
90% 38 km/h
08:00 AM
25° / 26°
25° / 26°
Moderate Drizzle
90% 16 km/h
09:00 AM
25° / 28°
25° / 28°
Drizzle
84% 16 km/h
10:00 AM
25° / 28°
25° / 28°
Overcast
81% 14 km/h

30 Day Averages and Extremes

  • Average high 31.27°C
  • Average low 24.6°C
  • Hottest day 34°C (04 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 77.3%
  • Days with precipitation 30 days
  • Highest precipitation 68 mm (09 June 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 25°C
  • Total Precipitation: 11 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

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 32ºC (89.6ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- UV-blocking sunglasses
- Lightweight, loose-fitting shorts
- Airy sandals or flip-flops

Temperature

Early
24°C / 31°C
Morning
25°C / 28°C
Afternoon
25°C / 26°C
Evening
23°C / 25°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 478
  • CO 285
  • NH3 0
  • NO2 4
  • O3 43
  • PM10 14
  • PM25 12
  • SO2 1
  • CH4 1,430

Sunrise / Sunset

22:39
11:33