Port Moresby weather in May 2025

Expect 86°F 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.

  • 86°F maximum daytime temperature in May in Port Moresby86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in May in Port Moresby11
    11 days with some rainfall
  • 75°F minimum night-time temperature in May in Port Moresby75
    75°F 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
  • 4.2 inches monthly rainfall in May in Port Moresby4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Port Moresby11
    11 (Extreme) UV index
  • 82°F sea temperature in May in Port Moresby82
    82°F 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)  |  Imperial (°F)

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How hot is it in Port Moresby in May?

Daytime temperatures usually reach 86°F in Port Moresby in May with high heat and humidity, falling to 75°F 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 82°F.

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 4.2 inches.

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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