Trincomalee
December
Weather in Trincomalee for December 2026
Your guide to Trincomalee weather in December - trends and predictions
In general, the average temperature in Trincomalee at the beginning of December is 29.5 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.5 °C by the end of December.
Trincomalee in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 112.9 mm.
Is December a good time to visit Trincomalee? check out the best time to travel to Trincomalee page.
Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
28°/21°
Temperatures
12 km/h
Avg max wind
85 %
Avg humidity
Trincomalee Weather December
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Temperatures trend during December in Trincomalee
See the weather trend as well as the moving average line
December weather in Trincomalee day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 29° /22° | 0.1 mm | 6 | |
| 2 Dec. | Light rain shower | 29° /22° | 2 mm | 6 | |
| 3 Dec. | Patchy rain possible | 31° /21° | 1 mm | 7 | |
| 4 Dec. |  Fog | 31° /21° | 0.5 mm | 7 | |
| 5 Dec. |  Light rain | 29° /22° | 3.1 mm | 7 | |
| 6 Dec. | Patchy rain possible | 30° /21° | 0 mm | 7 | |
| 7 Dec. | Patchy rain possible | 29° /21° | 2.4 mm | 6 | |
| 8 Dec. | Light rain shower | 29° /22° | 1.9 mm | 6 | |
| 9 Dec. | Light rain | 27° /21° | 2.8 mm | 6 | |
| 10 Dec. | Light rain | 28° /21° | 5.9 mm | 7 | |
| 11 Dec. |  Moderate rain | 27° /22° | 14.6 mm | 6 | |
| 12 Dec. | Light rain | 27° /21° | 4.7 mm | 6 | |
| 13 Dec. | Moderate rain | 27° /22° | 12.7 mm | 6 | |
| 14 Dec. | Light rain | 27° /21° | 4.8 mm | 6 | |
| 15 Dec. | Patchy rain possible | 28° /21° | 0.1 mm | 6 | |
| 16 Dec. | Light rain | 26° /22° | 3.5 mm | 6 | |
| 17 Dec. | Light drizzle | 27° /21° | 2.2 mm | 6 | |
| 18 Dec. | Light rain | 28° /21° | 3.5 mm | 6 | |
| 19 Dec. | Light drizzle | 29° /22° | 0.8 mm | 6 | |
| 20 Dec. | Light rain shower | 28° /21° | 1.3 mm | 6 | |
| 21 Dec. | Light rain | 28° /21° | 2.9 mm | 5 | |
| 22 Dec. | Patchy light rain | 27° /21° | 2.3 mm | 4 | |
| 23 Dec. | Light rain shower | 28° /20° | 1.8 mm | 5 | |
| 24 Dec. |  Sunny | 29° /20° | 0.2 mm | 6 | |
| 25 Dec. | Mist | 29° /20° | 0 mm | 7 | |
| 26 Dec. | Mist | 29° /20° | 0.1 mm | 7 | |
| 27 Dec. | Light rain | 28° /20° | 4.9 mm | 5 | |
| 28 Dec. | Light rain | 27° /21° | 5.5 mm | 6 | |
| 29 Dec. | Light rain | 27° /21° | 7.5 mm | 5 | |
| 30 Dec. | Light rain | 27° /21° | 9.9 mm | 4 | |
| 31 Dec. | Light rain | 26° /21° | 9.7 mm | 4 | |
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Important Notice
Our weather forecast for Trincomalee 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 Trincomalee forecast closer to your planned date for the most up-to-date weather information.
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Trincomalee in December - FAQ
What are the expected maximum and minimum temperatures in Trincomalee during December?
During December, expect a variety of temperatures with highs around 28° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Trincomalee during December?
Significant rainfall exceeding 112.9 mm is expected in Trincomalee during December, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trincomalee during December?
The average wind speed in Trincomalee during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Trincomalee
Explore the daily rainfall trends and prepare for Trincomalees December weather 💧
Typically, Trincomalee has 18 rainy days in December with a total of 112.9 mm of rainfall.
UV exposure in Trincomalee during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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