Port Moresby weather in May 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Port Moresby in May. Check more long-term weather averages for Port Moresby in May before you book your next holiday to Papua New Guinea in 2025/2026.

  • 30°C maximum daytime temperature in May in Port Moresby30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in May in Port Moresby11
    11 days with some rainfall
  • 24°C minimum night-time temperature in May in Port Moresby24
    24°C min night temperature
  • 12 hours of daylight per day in May in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in May in Port MoresbyH
    High heat & humidity
  • 107 mm monthly rainfall in May in Port Moresby107
    107 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Port Moresby11
    11 (Extreme) UV index
  • 28°C sea temperature in May in Port Moresby28
    28°C sea temperature

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The May weather guide for Papua New Guinea (Port Moresby) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Port Moresby in May?

Daytime temperatures usually reach 30°C in Port Moresby in May with high heat and humidity, falling to 24°C at night.

How sunny is it in Port Moresby in May?

There are normally 6 hours of bright sunshine each day in Port Moresby in May - that's 51% of daylight hours.

How warm is the sea around Port Moresby in May?

The average sea temperature around Port Moresby in May is 28°C.

Does it rain in Port Moresby in May?

There are usually 11 days with some rain in Port Moresby in May and the average monthly rainfall is 107mm.

Port Moresby May sunrise & sunset times

Browse the sunrise and sunset times for Port Moresby in May 2025. Select a month to view Port Moresby sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:15 18:01
Friday, 16th May 2025 06:17 17:58
Saturday, 31st May 2025 06:21 17:57

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