Dehiwala-Mount Lavinia
December
Weather in Dehiwala-Mount Lavinia for December 2025
Your guide to Dehiwala-Mount Lavinia weather in December - trends and predictions
Until now, December 2025 in Dehiwala-Mount Lavinia has been nearly identical to the historical average, with a temperature of 28.5 °C (showing only a slight deviation of -0.1 °C).
The forecast for the next days in Dehiwala-Mount Lavinia predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Dehiwala-Mount Lavinia at the beginning of December is 28.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.4 °C by the end of December.
Dehiwala-Mount Lavinia experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 200 mm.
Temperatures
Rain 🌧️
2
Dry days
29
Rainy days
0
Snow days
29°/24°
Temperatures
17 km/h
Avg max wind
81 %
Avg humidity
Dehiwala-Mount Lavinia Weather December
Move between months or click on a day
Temperatures trend during December in Dehiwala-Mount Lavinia
See the weather trend as well as the moving average line
December weather in Dehiwala-Mount Lavinia 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° | 6.3 mm | 6 | |
| 2 Dec. | Moderate or heavy rain shower | 27° /24° | 14.9 mm | 6 | |
| 3 Dec. |  Patchy rain possible | 28° /24° | 7.8 mm | 6 | |
| 4 Dec. | Light rain shower | 29° /24° | 15.8 mm | 6 | |
| 5 Dec. | Light rain shower | 29° /24° | 5.7 mm | 6 | |
| 6 Dec. | Light rain shower | 29° /24° | 10.1 mm | 6 | |
| 7 Dec. | Patchy rain possible | 29° /24° | 2.2 mm | 6 | |
| 8 Dec. | Light rain shower | 29° /24° | 6.5 mm | 6 | |
| 9 Dec. | Light rain shower | 29° /23° | 3.6 mm | 6 | |
| 10 Dec. | Light rain shower | 29° /23° | 5.1 mm | 6 | |
| 11 Dec. | Patchy rain possible | 28° /24° | 6.6 mm | 6 | |
| 12 Dec. | Light rain shower | 28° /23° | 13.1 mm | 6 | |
| 13 Dec. | Light rain shower | 29° /23° | 5.2 mm | 6 | |
| 14 Dec. | Moderate or heavy rain shower | 29° /23° | 11 mm | 6 | |
| 15 Dec. | Patchy rain possible | 28° /23° | 0.6 mm | 7 | |
| 16 Dec. | Light rain shower | 28° /23° | 5.8 mm | 6 | |
| 17 Dec. |  Moderate rain | 29° /24° | 7 mm | 2.1 | |
| 18 Dec. | Patchy rain possible | 30° /24° | 2.5 mm | 1.8 | |
| 19 Dec. | Patchy rain possible | 29° /24° | 0.2 mm | 2.2 | |
| 20 Dec. | Patchy rain possible | 29° /23° | 1.8 mm | 2.8 | |
| 21 Dec. | Patchy rain possible | 29° /23° | 0.1 mm | 6 | |
| 22 Dec. | Patchy rain possible | 28° /23° | 0.5 mm | 6 | |
| 23 Dec. |  Sunny | 29° /23° | 0 mm | 7 | |
| 24 Dec. | Sunny | 29° /22° | 0 mm | 7 | |
| 25 Dec. | Sunny | 28° /22° | 0 mm | 6 | |
| 26 Dec. | Sunny | 28° /22° | 0 mm | 6 | |
| 27 Dec. | Sunny | 28° /22° | 0 mm | 6 | |
| 28 Dec. | Sunny | 28° /22° | 0 mm | 7 | |
| 29 Dec. | Sunny | 28° /23° | 0 mm | 7 | |
| 30 Dec. | Light rain shower | 30° /23° | 5.1 mm | 6 | |
| 31 Dec. | Light rain shower | 29° /23° | 2.7 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Dehiwala-Mount Lavinia in December - FAQ
What are the expected maximum and minimum temperatures in Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia during December?
Significant rainfall exceeding 200 mm is expected in Dehiwala-Mount Lavinia during December, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dehiwala-Mount Lavinia during December?
The average wind speed in Dehiwala-Mount Lavinia during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Dehiwala-Mount Lavinia
Explore the daily rainfall trends and prepare for Dehiwala-Mount Lavinias December weather 💧
Typically, Dehiwala-Mount Lavinia has 29 rainy days in December with a total of 200 mm of rainfall.
UV exposure in Dehiwala-Mount Lavinia during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
More Dehiwala-Mount Lavinia weather pages
You are here
Where is Dehiwala-Mount Lavinia?Get accurate weather forecasts for Dehiwala-Mount Lavinia, located at latitude 6.84 and longitude 79.871. Stay updated with localized weather information tailored for Dehiwala-Mount Lavinia.
Found a mistake?
We appreciate your attention to details. Tell us here.