Siem Reap Province · Cambodia

Siem Reap in October

In October, Siem Reap averages a daytime high of 31 °C and a night-time low of 24 °C, with about 220 mm of rain over the month. Siem Reap has no month that is both mild and dry by the measure used here.

Average high
31 °C
Average low
24 °C
Rain in the month
220 mm
Daylight on 15 Oct
11 h 50 min
Comfortable month
No
Places to stay
263

When to go

How October compares with the rest of the year in Siem Reap

October is tied for the coolest month in Siem Reap by average daytime high; across the year the highs run from 31 °C to 36 °C and the lows from 21 °C to 25 °C. By day, October is 1 °C cooler than September, and November is about the same as October.

October brings 220 mm of rain, more than the monthly average of 118 mm (1419 mm a year); it is the 3rd wettest month.

On 15 October the sun is up for about 11 h 50 min, against 11 h 20 min at the shortest and 12 h 50 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

0°18°36°JanFebMarAprMayJunJulAugSepOctNovDec265 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January32 °C21 °C3 mm11 h 30 min
February34 °C22 °C10 mm11 h 40 min
March36 °C24 °C46 mm12 h
April36 °C24 °C75 mm12 h 30 min
May35 °C25 °C136 mm12 h 50 min
June34 °C25 °C170 mm12 h 50 min
July32 °C25 °C195 mm12 h 50 min
August32 °C24 °C229 mm12 h 30 min
September32 °C24 °C265 mm12 h 10 min
October31 °C24 °C220 mm11 h 50 min
November31 °C23 °C60 mm11 h 30 min
December31 °C21 °C10 mm11 h 20 min

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is October a good time to visit Siem Reap?

Not by the measure used here: the average high of 31 °C is above 29 °C and about 220 mm of rain is 80 mm or more. No month in Siem Reap meets it.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in Cambodia in October

Nationwide public holidays; shops and offices may close on these dates.

10 Oct 2026 · Pchum Ben Day11 Oct 2026 · Pchum Ben Day12 Oct 2026 · Pchum Ben Day15 Oct 2026 · HM King Norodom Sihanouk Mourning Day29 Oct 2026 · HM King Norodom Sihamoni's Coronation Day1 Oct 2027 · Pchum Ben Day15 Oct 2027 · HM King Norodom Sihanouk Mourning Day29 Oct 2027 · HM King Norodom Sihamoni's Coronation Day

Where to stay

Where to stay in Siem Reap

This guide lists 263 places to stay in Siem Reap, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 78; 1–3 km, 155; 3–10 km, 28; 10 km or more, 2.

← Siem Reap in SeptemberSiem Reap in November →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.