Papua New Guinea in December: where is it warmest?
In December, Port Moresby is the warmest place with 30 °C by day, Rabaul the coolest with 29 °C. 1 of 2 destinations have good holiday weather.
All destinations in December, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Port Moresby | 39 | 30° | 29° | 6 h | 24 |
| Rabaul | 66 | 29° | 30° | 5 h | 28 |
Papua New Guinea in December: quick answers
Papua New Guinea in December: where is it warmest?
The warmest places in December are Port Moresby (30 °C) and Rabaul (29 °C).
Papua New Guinea in December: where is the sea warmest?
The sea is warmest at Rabaul (30 °C) and Port Moresby (29 °C).
Papua New Guinea in December: where is the weather best?
The best holiday weather in December – warm, sunny and dry – is in Rabaul and Port Moresby.
Papua New Guinea month by month
Papua New Guinea: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences