Port Moresby
December
Weather in Port Moresby for December 2025
Your guide to Port Moresby weather in December - trends and predictions
In general, the average temperature in Port Moresby at the beginning of December is 30 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29 °C by the end of December.
Port Moresby experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 152.5 mm.
Temperatures
Rain 🌧️
4
Dry days
27
Rainy days
0
Snow days
30°/24°
Temperatures
14 km/h
Avg max wind
79 %
Avg humidity
Port Moresby in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 30° | 3 30° | 4  30° | 5 31° | 6 30° | 7 29° |
| 8 29° | 9 30° | 10 30° | 11 30° | 12 31° | 13 30° | 14 31° |
| 15 31° | 16 29° | 17  29° | 18 29° | 19 30° | 20 31° | 21 29° |
| 22 31° | 23 31° | 24 31° | 25 28° | 26  30° | 27 31° | 28 28° |
| 29 29° | 30 28° | 31  29° |
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Temperatures trend during December in Port Moresby
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate or heavy rain shower | 30° /24° | 8.1 mm | 8 | |
| 2 Dec. | Moderate or heavy rain shower | 30° /24° | 7.6 mm | 8 | |
| 3 Dec. | Moderate or heavy rain shower | 30° /24° | 18.5 mm | 8 | |
| 4 Dec. | Light rain shower | 30° /24° | 5.3 mm | 8 | |
| 5 Dec. | Light rain shower | 31° /24° | 2.6 mm | 9 | |
| 6 Dec. | Patchy rain possible | 30° /24° | 0.6 mm | 9 | |
| 7 Dec. | Patchy rain possible | 29° /24° | 3.2 mm | 8 | |
| 8 Dec. | Patchy rain possible | 29° /24° | 2.5 mm | 8 | |
| 9 Dec. | Patchy rain possible | 30° /24° | 5.8 mm | 8 | |
| 10 Dec. | Patchy rain possible | 30° /24° | 4.2 mm | 8 | |
| 11 Dec. | Patchy rain possible | 30° /23° | 5.4 mm | 8 | |
| 12 Dec. | Patchy rain possible | 31° /24° | 2.4 mm | 9 | |
| 13 Dec. | Light rain shower | 30° /24° | 7.5 mm | 8 | |
| 14 Dec. | Light rain shower | 31° /24° | 6.7 mm | 9 | |
| 15 Dec. | Light rain shower | 31° /24° | 5 mm | 9 | |
| 16 Dec. | Patchy rain possible | 29° /24° | 7.1 mm | 8 | |
| 17 Dec. | Patchy light drizzle | 29° /24° | 10.9 mm | 8 | |
| 18 Dec. | Patchy rain possible | 29° /24° | 5.6 mm | 8 | |
| 19 Dec. | Light rain shower | 30° /24° | 2.3 mm | 9 | |
| 20 Dec. | Light rain shower | 31° /24° | 6.1 mm | 9 | |
| 21 Dec. | Light rain shower | 29° /24° | 2.4 mm | 8 | |
| 22 Dec. | Moderate or heavy rain shower | 31° /24° | 4.1 mm | 8 | |
| 23 Dec. | Light rain shower | 31° /24° | 3.1 mm | 8 | |
| 24 Dec. | Light rain shower | 31° /24° | 6 mm | 8 | |
| 25 Dec. | Light rain shower | 28° /24° | 3.5 mm | 7 | |
| 26 Dec. | Heavy rain at times | 30° /24° | 3 mm | 8 | |
| 27 Dec. | Light rain shower | 31° /24° | 10.4 mm | 8 | |
| 28 Dec. | Moderate or heavy rain shower | 28° /24° | 11.5 mm | 7 | |
| 29 Dec. | Heavy rain at times | 29° /24° | 8.2 mm | 7 | |
| 30 Dec. | Patchy rain possible | 28° /24° | 5.4 mm | 7 | |
| 31 Dec. | Cloudy | 29° /23° | 1.4 mm | 7 | |
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Important Notice
Our weather forecast for Port Moresby in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Port Moresby forecast closer to your planned date for the most up-to-date weather information.
Port Moresby in December - FAQ
What are the expected maximum and minimum temperatures in Port Moresby during December?
During December, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Port Moresby during December?
Significant rainfall exceeding 152.5 mm is expected in Port Moresby during December, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port Moresby during December?
The average wind speed in Port Moresby during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Port Moresby
Explore the daily rainfall trends and prepare for Port Moresbys December weather 💧
UV exposure in Port Moresby during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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