Southern (Bentota)
December
Weather in Southern for December 2025
Your guide to Southern weather in December - trends and predictions
In general, the average temperature in Southern at the beginning of December is 28.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.3 °C by the end of December.
Southern experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 208.3 mm.
Temperatures
Rain 🌧️
3
Dry days
28
Rainy days
0
Snow days
29°/24°
Temperatures
15 km/h
Avg max wind
82 %
Avg humidity
Southern in December average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 27° | 3  28° | 4 29° | 5 29° | 6 29° | 7 29° |
| 8 29° | 9 29° | 10 29° | 11 28° | 12 29° | 13 28° | 14 29° |
| 15 28° | 16 28° | 17  28° | 18 28° | 19 28° | 20 29° | 21 29° |
| 22 29° | 23 30° | 24 29° | 25 30° | 26 30° | 27 30° | 28 28° |
| 29 30° | 30 29° | 31 28° |
You can click on date
Access Southern weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in Southern
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 | 29° /24° | 8.6 mm | 6 | |
| 2 Dec. | Moderate or heavy rain shower | 27° /24° | 21.9 mm | 6 | |
| 3 Dec. | Light rain shower | 28° /25° | 12.4 mm | 6 | |
| 4 Dec. | Light rain shower | 29° /24° | 16.9 mm | 6 | |
| 5 Dec. | Light rain shower | 29° /25° | 6.6 mm | 6 | |
| 6 Dec. | Patchy rain possible | 29° /24° | 3.8 mm | 6 | |
| 7 Dec. | Patchy rain possible | 29° /24° | 0.7 mm | 6 | |
| 8 Dec. | Light rain shower | 29° /24° | 7.7 mm | 6 | |
| 9 Dec. | Light rain shower | 29° /24° | 4.7 mm | 7 | |
| 10 Dec. | Patchy rain possible | 29° /23° | 1.3 mm | 6 | |
| 11 Dec. | Patchy rain possible | 28° /24° | 5.6 mm | 6 | |
| 12 Dec. | Light rain shower | 29° /24° | 6.6 mm | 6 | |
| 13 Dec. | Light rain shower | 28° /24° | 3.8 mm | 6 | |
| 14 Dec. | Moderate or heavy rain shower | 29° /24° | 15 mm | 6 | |
| 15 Dec. | Patchy rain possible | 28° /24° | 0.9 mm | 7 | |
| 16 Dec. | Light rain shower | 28° /24° | 5.5 mm | 6 | |
| 17 Dec. | Patchy light drizzle | 28° /23° | 1.3 mm | 7 | |
| 18 Dec. | Light rain shower | 28° /24° | 6.8 mm | 6 | |
| 19 Dec. | Patchy rain possible | 28° /24° | 2.2 mm | 6 | |
| 20 Dec. | Patchy rain possible | 29° /24° | 5.5 mm | 6 | |
| 21 Dec. | Light rain shower | 29° /24° | 8.4 mm | 6 | |
| 22 Dec. | Light rain shower | 29° /24° | 10.3 mm | 6 | |
| 23 Dec. | Patchy rain possible | 30° /23° | 0.2 mm | 7 | |
| 24 Dec. | Light rain shower | 29° /23° | 1.8 mm | 7 | |
| 25 Dec. | Light rain shower | 30° /23° | 0.6 mm | 7 | |
| 26 Dec. | Light rain | 30° /23° | 1 mm | 7 | |
| 27 Dec. | Light rain shower | 30° /24° | 1.6 mm | 7 | |
| 28 Dec. | Light rain shower | 28° /24° | 7.5 mm | 6 | |
| 29 Dec. | Moderate or heavy rain shower | 30° /23° | 14.4 mm | 7 | |
| 30 Dec. | Light rain shower | 29° /23° | 6.5 mm | 6 | |
| 31 Dec. | Patchy light drizzle | 28° /24° | 3.8 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Southern 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 Southern forecast closer to your planned date for the most up-to-date weather information.
Southern in December - FAQ
What are the expected maximum and minimum temperatures in Southern during December?
During December, expect a variety of temperatures with highs around 29° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Southern during December?
Significant rainfall exceeding 208.3 mm is expected in Southern during December, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Southern during December?
The average wind speed in Southern during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Southern
Explore the daily rainfall trends and prepare for Southerns December weather 💧
UV exposure in Southern during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Provinces in Southern
Select a province for an accurate weather forecast
Top locations in Southern
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Southern?Get accurate weather forecasts for Southern, located at latitude 6.426 and longitude 79.996. Stay updated with localized weather information tailored for Southern.
Found a mistake?
We appreciate your attention to details. Tell us here.