16-Day Forecast
Today
7 Sept
33°C
Daytime High
25°C
Overnight Low
☀☀☀○○
5.7h sun
3.5mm rain
Tue
8 Sept
33°C
Daytime High
26°C
Overnight Low
☀☀☀☀☀
10h sun
7.8mm rain
Wed
9 Sept
33°C
Daytime High
25°C
Overnight Low
☀☀☀☀○
8.8h sun
14.9mm rain
Thu
10 Sept
29°C
Daytime High
24°C
Overnight Low
☀☀○○○
3.6h sun
26mm rain
Fri
11 Sept
29°C
Daytime High
23°C
Overnight Low
☀☀☀☀○
7.6h sun
24.3mm rain
Sat
12 Sept
28°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
10.9h sun
23.2mm rain
Sun
13 Sept
29°C
Daytime High
24°C
Overnight Low
☀☀☀○○
6.3h sun
20.6mm rain
Mon
14 Sept
31°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
12h sun
14mm rain
Tue
15 Sept
28°C
Daytime High
24°C
Overnight Low
☀☀○○○
4.6h sun
30.8mm rain
Wed
16 Sept
30°C
Daytime High
24°C
Overnight Low
☀☀○○○
4.6h sun
17.4mm rain
Thu
17 Sept
29°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
11.2h sun
12.8mm rain
Fri
18 Sept
32°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
12h sun
7.2mm rain
Sat
19 Sept
32°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
12h sun
9.4mm rain
Sun
20 Sept
31°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
11.7h sun
20mm rain
Mon
21 Sept
31°C
Daytime High
24°C
Overnight Low
☀☀☀☀☀
12h sun
14mm rain
Tue
22 Sept
32°C
Daytime High
25°C
Overnight Low
☀☀☀☀☀
11.5h sun
12.7mm rain
☀ = sunshine score · °C high / low · hours of sunshine shown below
About Siem Reap
Siem Reap, Cambodia is one of Southeast Asia's most captivating destinations, offering the perfect blend of ancient wonder and tropical sunshine for an unforgettable holiday. Home to the breathtaking Angkor Archaeological Park, this charming city draws visitors from across the globe who seek not only world-class cultural experiences but also the promise of warm, reliable weather. Whether you're a history enthusiast, a family looking for adventure, or a couple seeking a romantic getaway, holidays in Siem Reap deliver the kind of transformative travel experience that keeps people dreaming of return visits.
The climate in Siem Reap, Cambodia varies significantly throughout the year, shaped by monsoon patterns that define the region. During the dry season from November to May, temperatures are pleasantly warm, averaging around 26°C, creating ideal conditions for exploring ancient temples without the oppressive heat. From June onwards, the hot season arrives with average temperatures reaching 35°C during peak months, comparable to the height of summer in southern Spain or the Canary Islands. This intense warmth combines with high humidity during the rainy season from May to October, when monsoon rains typically fall in afternoon downpours rather than sustained rainfall. Understanding Siem Reap weather patterns helps you plan accordingly, as the dry months offer significantly more sunshine hours and comfortable exploration conditions.
The best time to visit Siem Reap is between November and February, when you'll experience the most sunshine, coolest temperatures, and lowest rainfall. These months provide optimal Siem Reap weather for trekking through rice paddies, cycling to remote temples, and enjoying the city's vibrant evening atmosphere without excessive heat. December and January are particularly popular for families and couples seeking perfect holiday conditions.
The city's main attraction, Angkor Archaeological Park, stands as one of humanity's greatest architectural achievements, requiring at least two days to explore properly. Beyond temples, Siem Reap offers the serene Tonlé Sap Lake, local markets brimming with Cambodian cuisine, traditional cooking classes, and vibrant nightlife. Solo travellers particularly appreciate the welcoming guesthouses and tour infrastructure, while adventure seekers enjoy zip-lining, kayaking, and jungle treks.
Reaching Siem Reap is straightforward, with direct flights available from Singapore, the United Arab Emirates, and Australia. Visitors from Europe, North America, and other regions can access the city through convenient one-stop connections via major Asian hubs, making it increasingly accessible for international travellers seeking guaranteed sunshine and cultural immersion.
Typical rainfall & humidity in Siem Reap
Jan
38.9mm · 68%
Feb
18.6mm · 67%
Mar
63.5mm · 66%
Apr
81.2mm · 68%
May
251.1mm · 77%
Jun
217.3mm · 80%
Jul
290.4mm · 83%
Aug
214.5mm · 81%
Sep
377.8mm · 87%
Oct
270.9mm · 86%
Nov
104.3mm · 79%
Dec
30.6mm · 72%
Average monthly rainfall and relative humidity, based on the last 3 years of historical data.