Weather in Sri Lanka for August 2027
In general, the average temperature in Sri Lanka at the beginning of August is 27.8 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.4 °C by the end of August.
Sri Lanka experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 371.8 mm.
Is August a good time to visit Sri Lanka? check out the best time to travel to Sri Lanka page.
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Sri Lanka Weather August
What’s the Weather Like in Sri Lanka This August?
Temperatures trend during August in Sri Lanka
August weather in Sri Lanka day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Light rain | 29° /25° | 3.3 mm | 6 | |
| 2 Aug. |  Moderate rain | 28° /25° | 12 mm | 6 | |
| 3 Aug. | Moderate rain | 27° /25° | 13.1 mm | 5 | |
| 4 Aug. |  Moderate or heavy rain shower | 27° /25° | 8.6 mm | 6 | |
| 5 Aug. | Moderate rain | 27° /25° | 10.8 mm | 6 | |
| 6 Aug. | Light rain | 28° /25° | 5.9 mm | 6 | |
| 7 Aug. | Light rain | 28° /25° | 4.2 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 28° /25° | 8.5 mm | 6 | |
| 9 Aug. | Light rain | 28° /25° | 6.7 mm | 6 | |
| 10 Aug. | Moderate rain | 28° /25° | 18.6 mm | 6 | |
| 11 Aug. | Moderate rain | 28° /25° | 10.1 mm | 6 | |
| 12 Aug. | Moderate rain | 28° /25° | 12.6 mm | 6 | |
| 13 Aug. | Moderate rain | 28° /25° | 12.8 mm | 6 | |
| 14 Aug. | Moderate rain | 28° /25° | 24.5 mm | 6 | |
| 15 Aug. | Light rain | 28° /25° | 3.5 mm | 6 | |
| 16 Aug. | Light rain | 28° /25° | 9.5 mm | 6 | |
| 17 Aug. | Moderate rain | 28° /25° | 14.3 mm | 6 | |
| 18 Aug. | Moderate rain | 29° /25° | 12.6 mm | 7 | |
| 19 Aug. | Light rain | 29° /25° | 8.4 mm | 6 | |
| 20 Aug. | Moderate rain | 28° /25° | 11.4 mm | 5 | |
| 21 Aug. | Moderate rain | 28° /25° | 23.3 mm | 6 | |
| 22 Aug. |  Patchy rain possible | 28° /25° | 2 mm | 6 | |
| 23 Aug. | Light rain | 29° /25° | 5.7 mm | 5 | |
| 24 Aug. | Light rain | 29° /25° | 5.5 mm | 6 | |
| 25 Aug. | Light rain | 29° /25° | 8.1 mm | 5 | |
| 26 Aug. | Light rain | 29° /25° | 5.7 mm | 6 | |
| 27 Aug. | Light rain | 29° /25° | 8.4 mm | 6 | |
| 28 Aug. | Moderate rain | 28° /25° | 16.5 mm | 6 | |
| 29 Aug. |  Torrential rain shower | 28° /25° | 31 mm | 5 | |
| 30 Aug. | Heavy rain | 28° /25° | 35.5 mm | 5 | |
| 31 Aug. | Moderate rain | 28° /25° | 18.6 mm | 6 | |
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Guide for Sri Lanka in August
In August, Sri Lanka experiences varied weather conditions at the beginning and end of the month. At the start of August, the weather in Sri Lanka is generally warm and humid, with temperatures ranging from 27° to 31° in the coastal areas and slightly cooler temperatures in the central highlands.
The coastal regions may also experience occasional showers and thunderstorms, particularly in the afternoons, due to the southwest monsoon.
By the end of August, the weather in Sri Lanka begins to transition, with the southwest monsoon gradually subsiding. The temperatures remain warm, ranging from 26° to 30° in the coastal areas, while the central highlands experience slightly cooler temperatures.
The frequency of rainfall decreases towards the end of the month, leading to more stable and drier conditions across the country.
Overall, August in Sri Lanka offers a mix of warm temperatures, high humidity, and the possibility of occasional showers, especially at the beginning of the month.
Travelers visiting Sri Lanka during this time should be prepared for warm and humid weather, with the chance of intermittent rainfall, particularly in the coastal regions.