Which is the hottest month in Siemreab?

The hottest time of year in Siemreab is normally April. Expect maximum daytime temperatures to reach 36°C with extreme heat and humidity.

Which month has the most rain in Siemreab?

In terms of rainfall, September is usually the wettest month in Siemreab with 250mm on average. There are normally 18 days in September with some rain.

When is it sunniest in Siemreab?

The sunniest time of year in Siemreab is normally January with bright sunshine on average for 79% of daylight hours; that's 9 hours of sunshine per day.

Best time to visit Siemreab

Q: When is the best time to visit Siemreab?

The best time to visit Siemreab is December based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Siemreab and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Siemreab by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Siemreab?

The best time to visit Siemreab is December based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
2.5
Feb
2
Mar
2
Apr
1.5
May
1.5
Jun
2
Jul
1.5
Aug
2
Sep
3.5
Oct
3.5
Nov
4
Dec

Change criteria

Max Day Temperature (°C)

31
Jan
34
Feb
36
Mar
36
Apr
34
May
33
Jun
32
Jul
32
Aug
31
Sep
31
Oct
31
Nov
30
Dec

Hours of Sunshine (daily)

9
Jan
9
Feb
8
Mar
8
Apr
7
May
6
Jun
6
Jul
5
Aug
5
Sep
7
Oct
8
Nov
9
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Cambodia (Siemreab) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)