Weather in Sri Lanka for December 2024
Until now, December 2024 in Sri Lanka has been nearly identical to the historical average, with a temperature of 28.9 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Sri Lanka predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Sri Lanka at the beginning of December is 28.7 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 28.7 °C by the end of December.
Sri Lanka experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 216.3 mm.
Is December a good time to visit Sri Lanka? check out the best time to travel to Sri Lanka page.
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Sri Lanka in December average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | ||||||
| 2 27° | 3  28° | 4 29° | 5 29° | 6 30° | 7 29° | 8 29° |
| 9 29° | 10 29° | 11 28° | 12 29° | 13 29° | 14 30° | 15 27° |
| 16 28° | 17 29° | 18 28° | 19 28° | 20 30° | 21 30° | 22 29° |
| 23  29° | 24 28° | 25 28° | 26 28° | 27 28° | 28  30° | 29 30° |
| 30 28° | 31 29° |
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Temperatures trend during December in Sri Lanka
December weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate or heavy rain shower | 29° /24° | 7.7 mm | 6 | |
| 2 Dec. | Moderate or heavy rain shower | 27° /24° | 22.2 mm | 6 | |
| 3 Dec. | Light rain shower | 28° /24° | 10.9 mm | 6 | |
| 4 Dec. | Light rain shower | 29° /23° | 18.9 mm | 6 | |
| 5 Dec. | Light rain shower | 29° /24° | 5.4 mm | 6 | |
| 6 Dec. | Patchy rain possible | 30° /24° | 3.6 mm | 7 | |
| 7 Dec. | Patchy rain possible | 29° /24° | 0.7 mm | 6 | |
| 8 Dec. | Light rain shower | 29° /24° | 7.6 mm | 6 | |
| 9 Dec. | Light rain shower | 29° /23° | 5 mm | 7 | |
| 10 Dec. | Light rain shower | 29° /23° | 3 mm | 6 | |
| 11 Dec. | Patchy rain possible | 28° /24° | 5.8 mm | 6 | |
| 12 Dec. | Light rain shower | 29° /24° | 8.8 mm | 6 | |
| 13 Dec. | Light rain shower | 29° /23° | 4.4 mm | 6 | |
| 14 Dec. | Moderate or heavy rain shower | 30° /24° | 14.7 mm | 6 | |
| 15 Dec. | Light rain shower | 27° /23° | 0.8 mm | 7 | |
| 16 Dec. | Light rain shower | 28° /23° | 6.4 mm | 6 | |
| 17 Dec. | Light rain shower | 29° /22° | 1.7 mm | 7 | |
| 18 Dec. | Light rain shower | 28° /24° | 8.8 mm | 6 | |
| 19 Dec. | Light rain shower | 28° /23° | 2.5 mm | 6 | |
| 20 Dec. | Light rain shower | 30° /23° | 5.9 mm | 7 | |
| 21 Dec. | Light rain shower | 30° /23° | 3.7 mm | 7 | |
| 22 Dec. | Patchy rain possible | 29° /26° | 2.3 mm | 2 | |
| 23 Dec. | Sunny | 29° /25° | 0 mm | 2 | |
| 24 Dec. | Sunny | 28° /24° | 0 mm | 2.1 | |
| 25 Dec. | Sunny | 28° /24° | 0 mm | 2.8 | |
| 26 Dec. | Patchy rain possible | 28° /23° | 0.5 mm | 6 | |
| 27 Dec. | Patchy rain possible | 28° /24° | 1.8 mm | 6 | |
| 28 Dec. | Partly cloudy | 30° /24° | 0.1 mm | 7 | |
| 29 Dec. | Partly cloudy | 30° /24° | 0.1 mm | 7 | |
| 30 Dec. | Patchy rain possible | 28° /25° | 1 mm | 6 | |
| 31 Dec. | Patchy rain possible | 29° /24° | 0.8 mm | 6 | |
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Guide for Sri Lanka in December
In December, Sri Lanka experiences a transition in weather from the beginning to the end of the month. At the start of December, the weather in Sri Lanka is generally warm and humid, with temperatures averaging around 27° in the coastal areas and 22° in the central highlands.
The coastal regions, including popular tourist destinations such as Colombo and Galle, typically experience occasional rainfall during this time, but the overall climate remains pleasant for outdoor activities and beach visits.
As the month progresses, the weather in Sri Lanka tends to become drier and more stable. By the end of December, the coastal areas continue to enjoy warm temperatures, averaging around 28°, while the central highlands experience slightly cooler weather with temperatures around 20°.
The likelihood of rainfall decreases towards the end of the month, making it an ideal time to explore the cultural and natural attractions across the island.
Overall, December offers a diverse weather experience in Sri Lanka, with the beginning of the month characterized by warmth and occasional showers, gradually transitioning to drier and more stable conditions by the end of the month.
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Sri Lanka in December - FAQ
What to pack to Sri Lanka in December?
As you prepare for your trip to Sri Lanka in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Sri Lanka, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
December rainfall patterns in Sri Lanka
UV exposure in Sri Lanka during December
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