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Cambodia weather in August

Cambodia in August averages 29°C (84°F) and 185 mm of rain. It is one of the wetter months of the year here.

Of the twelve months in Cambodia, August is the sixth warmest and the third wettest.

Cambodia
Average temp
29°C (84°F)

25–33°C · 77–91°F

Rainfall
185 mm

A wet month

Sunshine
—
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What is Cambodia like in August?

Daytime

Days are hot, often above 32°C.

Rain

Expect frequent rain — this is a wet month.

Evening

Evenings stay warm.

What should I pack for Cambodia in August?

  • High-factor sun cream

    With daytime highs around 33°C, burn time is short even in shade.

  • Sunglasses and a brimmed hat

    Midday glare is the part people underpack for, not the heat itself.

  • Loose cotton or linen

    Synthetics stop working once you are sweating through them all day.

  • A refillable water bottle

    Daily highs this warm need roughly double the water a temperate day does.

  • A proper waterproof, not a folding umbrella

    185 mm in the month usually arrives as heavy bursts that an umbrella will not cover.

  • A dry bag for phone and documents

    Worth it for one downpour caught between the taxi and the door.

August compared with July and September

August in Cambodia is about the same temperature as July and 17 mm wetter than it, which averages 29°C (84°F).

August in Cambodia is about the same temperature as September and 69 mm drier than it, which averages 28°C (83°F).

Daylight in Cambodia in August

On 15 August the sun is up for 12 hours 32 minutes in Cambodia, rising about 05:48 and setting about 18:20 local time.

August ends 18 minutes shorter than it begins, so the last week of the month is a different length of day from the first.

Travel guides for Cambodia

What to read before you book.

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Cambodia weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 2 Sept 2026358 places covered

How August compares with the rest of the year

August is highlighted. Every other month links to its own page.

Cambodia weather by month: average temperature, rainfall for each month, from 1991–2020 climate normals
MonthAverageRainfall
January27°C / 80°F24 mm
February28°C / 83°F14 mm
March30°C / 85°F43 mm
April31°C / 87°F85 mm
May30°C / 87°F130 mm
June30°C / 85°F161 mm
July29°C / 84°F168 mm
August29°C / 84°F185 mm
September28°C / 83°F254 mm
October28°C / 82°F260 mm
November28°C / 82°F113 mm
December27°C / 80°F38 mm

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FAQs about Cambodia in August

August climate averages for Cambodia, 1991–2020.

Cambodia averages 29°C (84°F) in August, ranging from about 25°C (77°F) at night to 33°C (91°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Yes, a lot. August brings about 185 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.

They are about the same. August averages 29°C (84°F) and September 28°C (83°F), so temperature alone will not decide between them.

August is about as warm as July, and 17 mm wetter.

It is outside the easiest window. The most comfortable stretch here is November to March; August sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 12 hours 32 minutes of daylight in mid-August, against 12 hours 52 minutes in June and 11 hours 24 minutes in December.

On 15 August, sunrise is about 05:48 and sunset about 18:20 local time. Both shift across the month — the month ends 18 minutes shorter than it starts.