Port Moresby weather in January 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Port Moresby in January. Check more long-term weather averages for Port Moresby in January before you book your next holiday to Papua New Guinea in 2025/2026.

  • 31°C maximum daytime temperature in January in Port Moresby31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in January in Port Moresby19
    19 days with some rainfall
  • 23°C minimum night-time temperature in January in Port Moresby23
    23°C min night temperature
  • 13 hours of daylight per day in January in Port Moresby13
    13 hours of daylight per day
  • Very high heat & humidity in January in Port MoresbyVH
    Very High heat & humidity
  • 231 mm monthly rainfall in January in Port Moresby231
    231 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Port Moresby11
    11+ (Extreme) UV index
  • 29°C sea temperature in January in Port Moresby29
    29°C sea temperature

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The January 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 January?

Daytime temperatures usually reach 31°C in Port Moresby in January with very high heat and humidity, falling to 23°C at night.

How sunny is it in Port Moresby in January?

There are normally 6 hours of bright sunshine each day in Port Moresby in January - that's 47% of daylight hours.

How warm is the sea around Port Moresby in January?

The average sea temperature around Port Moresby in January is 29°C.

Does it rain in Port Moresby in January?

There are usually 19 days with some rain in Port Moresby in January and the average monthly rainfall is 231mm.

Port Moresby January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:55 18:35
Thursday, 16th January 2025 06:03 18:39
Friday, 31st January 2025 06:09 18:40

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