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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Port Moresby’s weather is consistently warm and humid year-round, with a distinct wet season from December to April and a drier, more comfortable period from May to November, as shown in the live forecast above.
What is the typical climate in Port Moresby?
Port Moresby experiences a tropical monsoon climate with minimal temperature variation. Daytime highs stay near 30–32°C throughout the year, while overnight lows hover around 23–25°C. The main difference between seasons is rainfall, not temperature.
- The wet season (December–April) brings heavy afternoon thunderstorms and high humidity, often exceeding 80%.
- The dry season (May–November) features sunny days, lower humidity, and southeasterly trade winds that keep conditions pleasant.
- Annual rainfall averages about 1,200 millimetres, with most rain falling in the first four months of the year.
- Sea breezes moderate coastal areas, but inland suburbs can feel noticeably hotter.
How do I check the weather in Port Moresby before heading out?
For the most reliable short-term outlook, use the live forecast above or the Bureau of Meteorology’s latest updates. For planning further ahead, the weather in Port Moresby 10 days and port moresby weather forecast 14 day accuweather sources can help, though long-range forecasts are less precise in tropical climates.
- Check the port moresby weather radar to track approaching storms, especially during the wet season.
- View the port moresby weather satellite imagery to see cloud patterns across the region.
- If severe weather is possible, monitor the Severe Weather Warning page for official alerts.
- For seasonal trends, review port moresby weather by month data to pick the best travel time.
What is the weather in Port Moresby tomorrow likely to be?
Check the live forecast above for the most accurate prediction. Generally, expect a warm morning (24–26°C) rising to around 31°C by midday, with a chance of afternoon showers in the wet season or clear skies in the dry season.
Are there weather warnings for Port Moresby?
Yes, the Bureau of Meteorology issues weather warning port moresby alerts for heavy rain, strong winds, or coastal hazards, particularly during the wet season. Always check the Severe Weather Warning page before travelling.
Is Port Moresby affected by cyclones?
Port Moresby is south of the main cyclone belt, but tropical lows and occasional cyclones can still bring heavy rain and gusty winds between November and April. Monitor official updates if a system is nearby.