Siem Reap weather live forecast

Today's maximum temperature in Siem Reap is expected to be 29°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 Saturday 25th 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 Saturday 25th July 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 14 kph from the west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the West14
    kph wind from W

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Siem Reap weather for Sunday 26th July 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 13 kph from the 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 9 (Very High)9
    UV index (Very High)
  • 88% chance of some rain88
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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Siem Reap weather for Monday 27th July 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 10-20 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 18 kph from the west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 86% chance of some rain86
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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Siem Reap weather for Tuesday 28th July 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 14 kph from the south-west.

  • 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 9 (Very High)9
    UV index (Very High)
  • 90% chance of some rain90
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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Siem Reap weather for Wednesday 29th July 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 13 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 25°C minimum temperature25
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 96% chance of some rain96
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Intrepid Travel discount code: £200 off small group tours

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