Cambodia weather in August 2025

Expect 32°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Cambodia in August. Check more long-term weather averages for Cambodia in August before you book your next holiday to Cambodia in 2025/2026.

  • 32°C maximum daytime temperature in August in Cambodia (Phnom Penh)32
    32°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Cambodia (Phnom Penh)16
    16 days with some rainfall
  • 25°C minimum night-time temperature in August in Cambodia (Phnom Penh)25
    25°C min night temperature
  • 12 hours of daylight per day in August in Cambodia (Phnom Penh)12
    12 hours of daylight per day
  • Very high heat & humidity in August in Cambodia (Phnom Penh)VH
    Very High heat & humidity
  • 162 mm monthly rainfall in August in Cambodia (Phnom Penh)162
    162 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Cambodia (Phnom Penh)11
    11+ (Extreme) UV index

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The August weather guide for Cambodia (Phnom Penh) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Cambodia destinations

Below are average maximum temperatures at popular countries, regions and places in Cambodia in August. Select a holiday destination to see more weather parameters.

All Cambodia destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Cambodia

How hot is it in Cambodia in August?

Daytime temperatures usually reach 32°C in Phnom Penh, Cambodia in August with very high heat and humidity, falling to 25°C at night.

How sunny is it in Cambodia in August?

There are normally 5 hours of bright sunshine each day in Phnom Penh, Cambodia in August - that's 43% of daylight hours.

Does it rain in Cambodia in August?

There are usually 16 days with some rain in Phnom Penh, Cambodia in August and the average monthly rainfall is 162mm.

Cambodia August sunrise & sunset times

Browse the sunrise and sunset times for Cambodia in August 2025. Select a month to view Cambodia sunrise and sunset times for the next 12 months. The Cambodia sunrise and sunset times shown below are for Phnom Penh.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:48 18:25
Saturday, 16th August 2025 05:50 18:19
Sunday, 31st August 2025 05:50 18:11

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