Phnom Penh weather in May 2026

Expect daytime maximum temperatures of 93°F in Phnom Penh, Cambodia in May and extreme heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 6.5 inches of rainfall in the month.

  • 93°F maximum daytime temperature in May in Phnom Penh93
    93°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Phnom Penh15
    15 days with some rainfall
  • 77°F minimum night-time temperature in May in Phnom Penh77
    77°F min night temperature
  • 13 hours of daylight per day in May in Phnom Penh13
    13 hours of daylight per day
  • Extreme heat & humidity in May in Phnom PenhE
    Extreme heat & humidity
  • 6.5 inches monthly rainfall in May in Phnom Penh6.5
    6.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Phnom Penh11
    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.

Metric (°C)  |  Imperial (°F)

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More about Cambodia

How hot is it in Phnom Penh in May?

Daytime temperatures usually reach 93°F in Phnom Penh in May with extreme heat and humidity, falling to 77°F at night.

How sunny is it in Phnom Penh in May?

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

Does it rain in Phnom Penh in May?

There are usually 15 days with some rain in Phnom Penh in May and the average monthly rainfall is 6.5 inches.

Phnom Penh May sunrise & sunset times

Browse the sunrise and sunset times for Phnom Penh in May 2026. Select a month to view Phnom Penh sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:41 18:14
Saturday, 16th May 2026 05:37 18:17
Sunday, 31st May 2026 05:35 18:21

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