Siem Reap Province · Cambodia

Siem Reap in April

In April, Siem Reap averages a daytime high of 36 °C and a night-time low of 24 °C, with about 75 mm of rain over the month. Siem Reap has no month that is both mild and dry by the measure used here.

Average high
36 °C
Average low
24 °C
Rain in the month
75 mm
Daylight on 15 Apr
12 h 30 min
Comfortable month
No
Places to stay
263

When to go

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

April is tied for the warmest 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, April is about the same as March, and May is 1 °C cooler than April.

April brings 75 mm of rain, less than the monthly average of 118 mm (1419 mm a year); it is the 7th wettest month.

On 15 April the sun is up for about 12 h 30 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 April a good time to visit Siem Reap?

Not by the measure used here: the average high of 36 °C is above 29 °C. 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 April

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

14 Apr 2026 · Khmer New Year's Day15 Apr 2026 · Khmer New Year's Day16 Apr 2026 · Khmer New Year's Day14 Apr 2027 · Khmer New Year's Day15 Apr 2027 · Khmer New Year's Day16 Apr 2027 · Khmer New Year's 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 MarchSiem Reap in May →

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.