Siem Reap, Cambodia 14-Day Forecast

Cambodia 🇰🇭
79°
Partly Cloudy right now Today: high 87°, low 78°
Updated 9 min ago

Siem Reap weather for the next 14 days

Today

Partly Cloudy High 87° Low 78°
Precipitation
76% · 0.26 in
14 mph
9 - Very High
Sunrise / sunset
05:50 AM / 06:29 PM

Saturday, August 8

Partly Cloudy High 87° Low 78°
Precipitation
77% · 0.21 in
Max wind
12 mph
Humidity
81%
UV index
4 - Moderate
Sunrise / sunset
05:51 AM / 06:29 PM

Sunday, August 9

Patchy rain nearby High 78° Low 76°
Precipitation
90% · 0.6 in
Max wind
8 mph
Humidity
93%
UV index
3 - Low
Sunrise / sunset
05:51 AM / 06:29 PM

Monday, August 10

Patchy rain nearby High 87° Low 76°
Precipitation
84% · 0.22 in
Max wind
13 mph
Humidity
86%
UV index
4 - Moderate
Sunrise / sunset
05:51 AM / 06:28 PM

Tuesday, August 11

Patchy rain nearby High 81° Low 76°
Precipitation
73% · 0.09 in
Max wind
12 mph
Humidity
89%
UV index
7 - High
Sunrise / sunset
05:51 AM / 06:28 PM

Wednesday, August 12

Partly Cloudy High 86° Low 75°
Precipitation
65% · 0.08 in
Max wind
16 mph
Humidity
82%
UV index
7 - High
Sunrise / sunset
05:51 AM / 06:27 PM

Thursday, August 13

Partly Cloudy High 87° Low 77°
Precipitation
74% · 0.23 in
Max wind
16 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
05:51 AM / 06:27 PM

Friday, August 14

Partly Cloudy High 87° Low 78°
Precipitation
58% · 0.06 in
Max wind
15 mph
Humidity
79%
UV index
7 - High
Sunrise / sunset
05:51 AM / 06:26 PM

Saturday, August 15

Patchy rain nearby High 89° Low 78°
Precipitation
60% · 0.07 in
Max wind
15 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
05:52 AM / 06:26 PM

Sunday, August 16

Partly Cloudy High 88° Low 79°
Precipitation
64% · 0.12 in
Max wind
14 mph
Humidity
74%
UV index
8 - Very High
Sunrise / sunset
05:52 AM / 06:25 PM

Monday, August 17

Patchy rain nearby High 85° Low 76°
Precipitation
80% · 0.21 in
Max wind
13 mph
Humidity
83%
UV index
6 - High
Sunrise / sunset
05:52 AM / 06:25 PM

Tuesday, August 18

Light rain shower High 87° Low 77°
Precipitation
82% · 0.3 in
Max wind
15 mph
Humidity
81%
UV index
7 - High
Sunrise / sunset
05:52 AM / 06:24 PM

Wednesday, August 19

Light rain shower High 82° Low 75°
Precipitation
88% · 0.49 in
Max wind
13 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:52 AM / 06:24 PM

Thursday, August 20

Light rain shower High 78° Low 74°
Precipitation
89% · 0.28 in
Max wind
12 mph
Humidity
92%
UV index
6 - High
Sunrise / sunset
05:52 AM / 06:23 PM

Siem Reap 14-day outlook: the story

The warmest day of Siem Reap's 14-day outlook is Saturday, August 15 with a high near 89°F (32°C); the coolest night comes Thursday, August 20, dipping to 74°F (23°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 85°F (29°C), about 4°F (2°C) below the typical August high of 89°F (32°C).

Precipitation is most likely on Friday 7, Saturday 8, Sunday 9, Monday 10 and beyond; the wettest day looks like Sunday, August 9 with about 0.6 in (15.3 mm) expected. For the weekend, expect Saturday 87°F (30°C) and partly cloudy / Sunday 78°F (26°C) and patchy rain nearby.

For typical conditions month by month, see the Siem Reap climate & average temperatures guide.

Siem Reap forecast questions

Will it rain in Siem Reap this week?
The forecast currently shows meaningful precipitation chances on 14 of the next 14 days, peaking around Sunday, August 9.
What will be the warmest day in Siem Reap over the next 14 days?
Saturday, August 15, with a forecast high near 89°F (32°C).
How accurate is a 14-day forecast for Siem Reap?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in Siem Reap by month

Monthly averages for Siem Reap based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 88° 71° 2 0.7 in 10.3 h/day 64%
February 91° 73° 4 1.0 in 10.7 h/day 62%
March 94° 77° 10 2.0 in 11.1 h/day 66%
April 94° 78° 14 4.2 in 10.8 h/day 69%
May 92° 79° 23 7.7 in 10.0 h/day 77%
June 91° 78° 22 6.1 in 9.4 h/day 78%
July 89° 78° 26 8.7 in 8.1 h/day 81%
August 89° 77° 25 8.4 in 8.5 h/day 81%
September 87° 76° 27 12.8 in 7.7 h/day 86%
October 87° 75° 23 10.1 in 8.7 h/day 85%
November 87° 74° 13 4.0 in 9.7 h/day 78%
December 86° 71° 4 1.0 in 9.9 h/day 70%
14-day forecasts nearby