National Capital (Port Moresby)
December
Weather in National Capital for December 2025
Your guide to National Capital weather in December - trends and predictions
In general, the average temperature in National Capital 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.
National Capital 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
National Capital in December average weather
Move between months or click on a day
| 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° |
You can click on date
Access National Capital weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in National Capital
See the weather trend as well as the moving average line
December weather day by day
Click on a date for more information
| 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 | |
| Next | |||||
Important Notice
Our weather forecast for National Capital 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 National Capital forecast closer to your planned date for the most up-to-date weather information.
National Capital in December - FAQ
What are the expected maximum and minimum temperatures in National Capital 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 National Capital during December?
Significant rainfall exceeding 152.5 mm is expected in National Capital during December, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in National Capital during December?
The average wind speed in National Capital during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in National Capital
Explore the daily rainfall trends and prepare for National Capitals December weather 💧
UV exposure in National Capital during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Top locations in National Capital
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is National Capital?Get accurate weather forecasts for National Capital, located at latitude -9.477 and longitude 147.151. Stay updated with localized weather information tailored for National Capital.
Found a mistake?
We appreciate your attention to details. Tell us here.