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:
28°C
82.4°F
°C °F

Condition: Partly Cloudy

Pressure: 1,013 hPa

Feel like: 29 °C

Temperature: 28°C

Cloud: 75%

Humidity: 62%

Wind: ESE - 14 km/h

Visibility: 24.14 km

Weather forecast

Thu
12 Feb
23°C / 34°C
Overcast
Fri
13 Feb
22°C / 35°C
Overcast
Sat
14 Feb
24°C / 35°C
Overcast
Sun
15 Feb
22°C / 35°C
Overcast
Mon
16 Feb
25°C / 37°C
Overcast
Hourly forecast today:
02:00 AM
20° / 28°
20° / 28°
Partly Cloudy
62% 27 km/h
03:00 AM
20° / 30°
20° / 30°
Partly Cloudy
55% 33 km/h
04:00 AM
19° / 31°
19° / 31°
Overcast
49% 34 km/h
05:00 AM
19° / 33°
19° / 33°
Overcast
43% 32 km/h
06:00 AM
18° / 33°
18° / 33°
Overcast
41% 31 km/h
07:00 AM
19° / 33°
19° / 33°
Partly Cloudy
44% 33 km/h
08:00 AM
20° / 31°
20° / 31°
Partly Cloudy
50% 35 km/h
09:00 AM
21° / 30°
21° / 30°
Partly Cloudy
57% 36 km/h
10:00 AM
21° / 29°
21° / 29°
Overcast
64% 33 km/h
11:00 AM
22° / 28°
22° / 28°
Overcast
70% 27 km/h
12:00 PM
22° / 27°
22° / 27°
Overcast
75% 23 km/h

30 Day Averages and Extremes

  • Average high 33.17°C
  • Average low 21.87°C
  • Hottest day 39°C (17 February 2026)
  • Coldest day 19°C (25 January 2026)
  • Average humidity 58.8%
  • Days with precipitation 11 days
  • Highest precipitation 17 mm (18 February 2026)

Yesterday's Data

  • Max: 33°C
  • Min: 23°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 31ºC (87.8ºF), consider wearing:
- UV-blocking sunglasses
- Sleeveless tops or vests
- Lightweight, loose-fitting shorts
- Broad-brimmed sun hat

Temperature

Early
20°C / 30°C
Morning
21°C / 30°C
Afternoon
20°C / 25°C
Evening
20°C / 24°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 268
  • NH3 0
  • NO2 1
  • O3 83
  • PM10 9
  • PM25 9
  • SO2 1
  • CH4 0

Sunrise / Sunset

23:28
11:08