Alotau weather in May 2025

Expect 82°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Alotau in May. Check more long-term weather averages for Alotau in May before you book your next holiday to Papua New Guinea in 2025/2026.

  • 82°F maximum daytime temperature in May in Alotau82
    82°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Alotau18
    18 days with some rainfall
  • 73°F minimum night-time temperature in May in Alotau73
    73°F min night temperature
  • 12 hours of daylight per day in May in Alotau12
    12 hours of daylight per day
  • High heat & humidity in May in AlotauH
    High heat & humidity
  • 9.1 inches monthly rainfall in May in Alotau9.1
    9.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Alotau10
    10 (Very High) UV index
  • 82°F sea temperature in May in Alotau82
    82°F sea temperature

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The May weather guide for Papua New Guinea (Alotau) 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 Alotau in May?

Daytime temperatures usually reach 82°F in Alotau in May with high heat and humidity, falling to 73°F at night.

How sunny is it in Alotau in May?

There are normally 6 hours of bright sunshine each day in Alotau in May - that's 50% of daylight hours.

How warm is the sea around Alotau in May?

The average sea temperature around Alotau in May is 82°F.

Does it rain in Alotau in May?

There are usually 18 days with some rain in Alotau in May and the average monthly rainfall is 9.1 inches.

What is the chance of a cyclone in Alotau in May?

On average less than 1 day in May in Alotau is likely to be affected by the passage of one or more tropical storms.

Alotau May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:03 17:47
Friday, 16th May 2025 06:05 17:44
Saturday, 31st May 2025 06:09 17:43

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