Kalutara District (Kalutara)
December
Weather in Kalutara District for December 2025
Your guide to Kalutara District weather in December - trends and predictions
Until now, December 2025 in Kalutara District has been nearly identical to the historical average, with a temperature of 28.5 °C (showing only a slight deviation of -0.4 °C).
The forecast for the next days in Kalutara District predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Kalutara District at the beginning of December is 28.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.7 °C by the end of December.
Kalutara District experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 128.3 mm.
Temperatures
Rain 🌧️
7
Dry days
24
Rainy days
0
Snow days
29°/24°
Temperatures
16 km/h
Avg max wind
80 %
Avg humidity
Kalutara District Weather December
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Temperatures trend during December in Kalutara District
See the weather trend as well as the moving average line
December weather in Kalutara District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 29° /24° | 2.1 mm | 6 | |
| 2 Dec. | Patchy rain possible | 28° /24° | 0.3 mm | 7 | |
| 3 Dec. | Patchy rain possible | 29° /24° | 0.3 mm | 6 | |
| 4 Dec. | Patchy rain possible | 29° /24° | 5.8 mm | 6 | |
| 5 Dec. | Light rain shower | 29° /24° | 2.8 mm | 6 | |
| 6 Dec. | Light rain shower | 29° /23° | 15.9 mm | 6 | |
| 7 Dec. | Patchy rain possible | 29° /23° | 2.8 mm | 6 | |
| 8 Dec. | Light rain shower | 29° /23° | 3.8 mm | 6 | |
| 9 Dec. | Light rain shower | 29° /24° | 3.6 mm | 6 | |
| 10 Dec. | Patchy rain possible | 29° /23° | 4.9 mm | 6 | |
| 11 Dec. | Patchy rain possible | 28° /24° | 7.1 mm | 6 | |
| 12 Dec. | Light rain shower | 29° /23° | 13 mm | 6 | |
| 13 Dec. | Light rain shower | 29° /24° | 5.1 mm | 6 | |
| 14 Dec. |  Moderate or heavy rain shower | 29° /23° | 11.1 mm | 6 | |
| 15 Dec. |  Partly cloudy | 29° /23° | 0.6 mm | 7 | |
| 16 Dec. | Light rain shower | 28° /24° | 5.5 mm | 6 | |
| 17 Dec. |  Moderate rain | 30° /24° | 7.6 mm | 2 | |
| 18 Dec. | Patchy rain possible | 29° /24° | 3.3 mm | 2.2 | |
| 19 Dec. | Moderate rain | 29° /23° | 5.7 mm | 2.1 | |
| 20 Dec. | Moderate rain | 27° /23° | 6.5 mm | 2.2 | |
| 21 Dec. | Patchy rain possible | 29° /22° | 0.2 mm | 2.9 | |
| 22 Dec. |  Overcast | 28° /23° | 0 mm | 6 | |
| 23 Dec. | Partly cloudy | 28° /22° | 0 mm | 6 | |
| 24 Dec. | Patchy rain possible | 28° /23° | 2.4 mm | 6 | |
| 25 Dec. | Patchy rain possible | 28° /23° | 0 mm | 6 | |
| 26 Dec. |  Sunny | 29° /23° | 0 mm | 7 | |
| 27 Dec. | Sunny | 29° /22° | 0 mm | 6 | |
| 28 Dec. | Sunny | 29° /22° | 0 mm | 6 | |
| 29 Dec. | Sunny | 29° /22° | 0 mm | 7 | |
| 30 Dec. | Partly cloudy | 29° /23° | 0 mm | 7 | |
| 31 Dec. |  Patchy light drizzle | 28° /24° | 3.8 mm | 6 | |
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Important Notice
Our weather forecast for Kalutara District 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 Kalutara District forecast closer to your planned date for the most up-to-date weather information.
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Kalutara District in December - FAQ
What are the expected maximum and minimum temperatures in Kalutara District 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 Kalutara District during December?
Significant rainfall exceeding 128.3 mm is expected in Kalutara District during December, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kalutara District during December?
The average wind speed in Kalutara District during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Kalutara District
Explore the daily rainfall trends and prepare for Kalutara Districts December weather 💧
Typically, Kalutara District has 24 rainy days in December with a total of 128.3 mm of rainfall.
UV exposure in Kalutara District during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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