Siem Reap weather live forecast

Today's maximum temperature in Siem Reap is expected to be 30°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 Monday 3rd August 2026 GMT

More about Siem Reap

Siem Reap by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cambodia

  • Save EXTRA £200 on select small group tours worldwide
  • Min spend of £1,500 per person. T&Cs apply
  • Travel before 30th June 2027 (inclusive)

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 Tuesday 4th 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 5-10 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 13 kph from the west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °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)
  • 79% chance of some rain79
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the West13
    kph wind from W

Back to top

Siem Reap weather for Wednesday 5th August 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 75% chance of some rain75
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

Back to top

Siem Reap weather for Thursday 6th 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 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 30°C maximum temperature30
    °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 10 (Very High)10
    UV index (Very High)
  • 80% chance of some rain80
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

Back to top

Siem Reap weather for Friday 7th August 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 18 kph from the south-west.

  • 29°C maximum temperature29
    °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 11 (Extreme)11
    UV index (Extreme)
  • 81% chance of some rain81
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

Back to top

Siem Reap weather for Saturday 8th August 2026

Expect isolated thunderstorms in Siem Reap, Cambodia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 30°C maximum temperature30
    °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 5 (Moderate)5
    UV index (Moderate)
  • 83% chance of some rain83
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

Back to top

  • Save EXTRA 10% on all active adventure holidays
  • Trips to Europe, Asia, Africa, Americas & Oceania
  • Book online with exclusive discount code

More about Cambodia

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^