Cambodia weather in May 2025

Expect 34°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cambodia in May. Check more long-term weather averages for Cambodia in May before you book your next holiday to Cambodia in 2025/2026.

  • 34°C maximum daytime temperature in May in Cambodia (Phnom Penh)34
    34°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Cambodia (Phnom Penh)15
    15 days with some rainfall
  • 25°C minimum night-time temperature in May in Cambodia (Phnom Penh)25
    25°C min night temperature
  • 13 hours of daylight per day in May in Cambodia (Phnom Penh)13
    13 hours of daylight per day
  • Extreme heat & humidity in May in Cambodia (Phnom Penh)E
    Extreme heat & humidity
  • 166 mm monthly rainfall in May in Cambodia (Phnom Penh)166
    166 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Cambodia (Phnom Penh)11
    11+ (Extreme) UV index

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The May 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 May. 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 May?

Daytime temperatures usually reach 34°C in Phnom Penh, Cambodia in May with extreme heat and humidity, falling to 25°C at night.

How sunny is it in Cambodia in May?

There are normally 7 hours of bright sunshine each day in Phnom Penh, Cambodia in May - that's 54% of daylight hours.

Does it rain in Cambodia in May?

There are usually 15 days with some rain in Phnom Penh, Cambodia in May and the average monthly rainfall is 166mm.

Cambodia May sunrise & sunset times

Browse the sunrise and sunset times for Cambodia in May 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
Thursday, 1st May 2025 05:41 18:14
Friday, 16th May 2025 05:37 18:17
Saturday, 31st May 2025 05:35 18:21

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