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Papua New Guinea weather in May 2025
Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Papua New Guinea in May. Check more long-term weather averages for Papua New Guinea in May before you book your next holiday to Papua New Guinea in 2025/2026.
- 30°C max day temperature
30 - 6 hours of sunshine per day
- 11 days with some rainfall
11 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - High heat & humidity
H - 107 mm of monthly rainfall
107 - 11 (Extreme) UV index
11 - 28°C sea temperature
28
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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.
Top Papua New Guinea destinations
Below are average maximum temperatures at popular countries, regions and places in Papua New Guinea in May. Select a holiday destination to see more weather parameters.
All Papua New Guinea destinations
- Alotau
- Ambua
- Buka
- Goroka
- Kairiru Island
- Karawari
- Kavieng
- Lae
- Madang
- Mount Hagen
- Port Moresby
- Rabaul
- Simbai
- Tufi
- Wewak
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Papua New Guinea in May?
Daytime temperatures usually reach 30°C in Port Moresby, Papua New Guinea in May with high heat and humidity, falling to 24°C at night.
How sunny is it in Papua New Guinea in May?
There are normally 6 hours of bright sunshine each day in Port Moresby, Papua New Guinea in May - that's 51% of daylight hours.
How warm is the sea around Papua New Guinea in May?
The average sea temperature around Port Moresby, Papua New Guinea in May is 28°C.
Does it rain in Papua New Guinea in May?
There are usually 11 days with some rain in Port Moresby, Papua New Guinea in May and the average monthly rainfall is 107mm.
Papua New Guinea May sunrise & sunset times
Browse the sunrise and sunset times for Papua New Guinea in May 2025. Select a month to view Papua New Guinea sunrise and sunset times for the next 12 months. The Papua New Guinea sunrise and sunset times shown below are for Port Moresby.
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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