Siem Reap weather in October 2026

Q: How hot is it in Siem Reap in October?

Daytime temperatures usually reach 31°C in Siem Reap in October with very high heat and humidity, falling to 24°C at night.

Q: How sunny is it in Siem Reap in October?

There are normally 6 hours of bright sunshine each day in Siem Reap in October - that's 54% of daylight hours.

Q: Does it rain in Siem Reap in October?

There are usually 17 days with some rain in Siem Reap in October and the average monthly rainfall is 263mm.

Q: What is the chance of a typhoon in Siem Reap in October?

On average less than 1 day in October in Siem Reap is likely to be affected by the passage of one or more tropical storms.

Expect daytime maximum temperatures of 88°F in Siem Reap, Cambodia in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 8.5 inches of rainfall in the month.

88
88°F max day temperature
7
7 hours of sunshine per day
15
15 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
8.5
8.5 inches of monthly rainfall
11
11 (Extreme) UV index

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The October weather guide for Cambodia (Siem Reap) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

More about Cambodia

How hot is it in Siem Reap in October?

Daytime temperatures usually reach 88°F in Siem Reap in October with very high heat and humidity, falling to 75°F at night.

How sunny is it in Siem Reap in October?

There are normally 6 hours of bright sunshine each day in Siem Reap in October - that's 54% of daylight hours.

Does it rain in Siem Reap in October?

There are usually 17 days with some rain in Siem Reap in October and the average monthly rainfall is 10.4 inches.

What is the chance of a typhoon in Siem Reap in October?

On average less than 1 day in October in Siem Reap is likely to be affected by the passage of one or more tropical storms.

Siem Reap October sunrise & sunset times

Browse the sunrise and sunset times for Siem Reap in October 2026. Select a month to view Siem Reap sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Thursday, 1st October 2026	05:54	17:55
Friday, 16th October 2026	05:55	17:45
Saturday, 31st October 2026	05:58	17:38

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Cambodia - quick facts
Flight time^✝	15 to 16 hours
Time difference	UK +7 hours
Language(s)	Khmer
Currency	Cambodian Riel
Electricity	A + C + G plug (230V)
Driving side	Right
Visa^✝	Yes