Guadalcanal (Malango)
December
Weather in Guadalcanal for December 2025
Your guide to Guadalcanal weather in December - trends and predictions
In general, the average temperature in Guadalcanal at the beginning of December is 29.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.1 °C by the end of December.
Guadalcanal experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 260.8 mm.
Temperatures
Rain 🌧️
4
Dry days
27
Rainy days
0
Snow days
29°/25°
Temperatures
11 km/h
Avg max wind
80 %
Avg humidity
Guadalcanal in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 30° | 3 30° | 4 30° | 5  29° | 6 29° | 7 28° |
| 8 30° | 9 29° | 10 30° | 11 29° | 12 30° | 13 30° | 14 29° |
| 15 30° | 16 29° | 17 29° | 18 29° | 19 30° | 20 29° | 21 29° |
| 22 30° | 23 30° | 24 30° | 25 29° | 26 28° | 27 29° | 28 29° |
| 29 29° | 30 30° | 31 30° |
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Temperatures trend during December in Guadalcanal
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. | Patchy rain possible | 29° /25° | 9.9 mm | 8 | |
| 2 Dec. | Light rain shower | 30° /25° | 6.2 mm | 8 | |
| 3 Dec. | Light rain shower | 30° /24° | 9.2 mm | 8 | |
| 4 Dec. | Light rain shower | 30° /25° | 10.7 mm | 8 | |
| 5 Dec. | Moderate or heavy rain shower | 29° /24° | 14.2 mm | 8 | |
| 6 Dec. | Moderate or heavy rain shower | 29° /25° | 33 mm | 8 | |
| 7 Dec. | Moderate or heavy rain shower | 28° /25° | 25.9 mm | 8 | |
| 8 Dec. | Light rain shower | 30° /25° | 11.9 mm | 8 | |
| 9 Dec. | Light rain shower | 29° /25° | 9.9 mm | 8 | |
| 10 Dec. | Light rain shower | 30° /25° | 13.3 mm | 8 | |
| 11 Dec. | Light rain shower | 29° /24° | 6 mm | 8 | |
| 12 Dec. | Patchy rain possible | 30° /24° | 1.3 mm | 9 | |
| 13 Dec. | Patchy rain possible | 30° /24° | 1.9 mm | 8 | |
| 14 Dec. | Light rain shower | 29° /25° | 9.2 mm | 8 | |
| 15 Dec. | Light rain shower | 30° /25° | 7.5 mm | 8 | |
| 16 Dec. | Light rain shower | 29° /25° | 10.8 mm | 8 | |
| 17 Dec. | Patchy rain possible | 29° /24° | 7.7 mm | 8 | |
| 18 Dec. | Patchy rain possible | 29° /24° | 8.3 mm | 8 | |
| 19 Dec. | Patchy rain possible | 30° /24° | 4.1 mm | 8 | |
| 20 Dec. | Light rain shower | 29° /24° | 4.2 mm | 8 | |
| 21 Dec. | Light rain shower | 29° /25° | 12.5 mm | 8 | |
| 22 Dec. | Light rain shower | 30° /24° | 7.8 mm | 8 | |
| 23 Dec. | Light rain shower | 30° /25° | 10.9 mm | 7 | |
| 24 Dec. | Moderate or heavy rain shower | 30° /25° | 12.7 mm | 7 | |
| 25 Dec. | Light rain shower | 29° /25° | 7.9 mm | 7 | |
| 26 Dec. | Moderate or heavy rain shower | 28° /24° | 23.3 mm | 7 | |
| 27 Dec. | Light rain shower | 29° /24° | 10.2 mm | 7 | |
| 28 Dec. | Patchy rain possible | 29° /25° | 4.7 mm | 7 | |
| 29 Dec. | Light rain shower | 29° /25° | 6.6 mm | 7 | |
| 30 Dec. | Light rain shower | 30° /24° | 4.1 mm | 7 | |
| 31 Dec. | Patchy rain possible | 30° /25° | 2.5 mm | 8 | |
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Important Notice
Our weather forecast for Guadalcanal 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 Guadalcanal forecast closer to your planned date for the most up-to-date weather information.
Guadalcanal in December - FAQ
What are the expected maximum and minimum temperatures in Guadalcanal during December?
During December, expect a variety of temperatures with highs around 29° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guadalcanal during December?
Significant rainfall exceeding 260.8 mm is expected in Guadalcanal during December, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guadalcanal during December?
The average wind speed in Guadalcanal during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Guadalcanal
Explore the daily rainfall trends and prepare for Guadalcanals December weather 💧
UV exposure in Guadalcanal during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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