Siem Reap weather live forecast

Today's maximum temperature in Siem Reap is expected to be 27°C. Select a day from the live weather forecast for Siem Reap, Cambodia for more weather parameters.

5-day weather forecast updated at 04:00 on Wednesday 29th July 2026 GMT

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The 5-day weather forecast for Cambodia (Siem Reap) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Siem Reap weather forecast by day

Below are the detailed weather forecasts for Siem Reap for the next 5 days.

Siem Reap weather for Thursday 30th July 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and a light breeze of 7 kph from the south-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 67% chance of some rain67
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the South-West7
    kph wind from SW

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Siem Reap weather for Friday 31st July 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a light breeze of 9 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 68% chance of some rain68
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Siem Reap weather for Saturday 1st August 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 80% chance of some rain and a light breeze of 8 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 80% chance of some rain80
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

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Siem Reap weather for Sunday 2nd August 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a light breeze of 8 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 84% chance of some rain84
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Siem Reap weather for Monday 3rd August 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a light breeze of 10 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 89% chance of some rain89
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the South-West10
    kph wind from SW

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  • Min spend of £1,500 per person. T&Cs apply
  • Travel before 30th June 2027 (inclusive)
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