Weather in Sri Lanka for October 2026
So far, October 2026 in Sri Lanka is slightly warmer than the historical average by 1.7 °C.
The forecast for the next days in Sri Lanka predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Sri Lanka at the beginning of October is 29.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.3 °C by the end of October.
Sri Lanka experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 424.3 mm.
Is October 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 October
What’s the Weather Like in Sri Lanka This October?
Temperatures trend during October in Sri Lanka
October weather in Sri Lanka day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Light rain | 29° /24° | 5 mm | 5 | |
| 2 Oct. | Light rain | 29° /25° | 8.6 mm | 6 | |
| 3 Oct. | Light rain | 30° /24° | 3.9 mm | 5 | |
| 4 Oct. | Light rain | 29° /24° | 7.4 mm | 5 | |
| 5 Oct. | Light rain | 29° /24° | 9.4 mm | 5 | |
| 6 Oct. | Light rain | 29° /24° | 8.1 mm | 5 | |
| 7 Oct. |  Moderate rain | 29° /25° | 14.9 mm | 5 | |
| 8 Oct. | Moderate rain | 28° /24° | 13.4 mm | 5 | |
| 9 Oct. | Light rain | 29° /24° | 5.7 mm | 6 | |
| 10 Oct. | Moderate rain | 29° /25° | 15.9 mm | 5 | |
| 11 Oct. |  Heavy rain | 28° /24° | 29 mm | 5 | |
| 12 Oct. | Moderate rain | 28° /24° | 23.2 mm | 5 | |
| 13 Oct. | Moderate rain | 29° /24° | 23.7 mm | 5 | |
| 14 Oct. | Moderate rain | 28° /24° | 17.2 mm | 5 | |
| 15 Oct. | Moderate rain | 28° /24° | 18.4 mm | 5 | |
| 16 Oct. | Moderate rain | 28° /24° | 13.4 mm | 5 | |
| 17 Oct. | Moderate rain | 29° /24° | 10.8 mm | 5 | |
| 18 Oct. | Light rain | 29° /24° | 9.7 mm | 6 | |
| 19 Oct. | Light rain | 29° /24° | 7.3 mm | 5 | |
| 20 Oct. | Light rain | 29° /25° | 6.2 mm | 5 | |
| 21 Oct. | Moderate rain | 28° /24° | 23.4 mm | 5 | |
| 22 Oct. | Moderate rain | 28° /24° | 18.1 mm | 5 | |
| 23 Oct. | Moderate rain | 28° /24° | 24.6 mm | 5 | |
| 24 Oct. | Moderate rain | 29° /24° | 14.4 mm | 5 | |
| 25 Oct. | Moderate rain | 28° /25° | 20.1 mm | 5 | |
| 26 Oct. | Heavy rain | 28° /25° | 28.2 mm | 5 | |
| 27 Oct. | Moderate rain | 28° /25° | 24.3 mm | 6 | |
| 28 Oct. | Moderate rain | 28° /26° | 19.1 mm | 9.3 | |
| 29 Oct. | Moderate rain | 28° /27° | 14.8 mm | 10.9 | |
| 30 Oct. | Light rain | 29° /26° | 6.9 mm | 10.7 | |
| 31 Oct. |  Overcast | 29° /26° | 0.1 mm | 10.5 | |
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Guide for Sri Lanka in October
In October, Sri Lanka experiences a transition in weather patterns as it moves from the southwest monsoon season to the inter-monsoon period. At the beginning of the month, the weather in Sri Lanka is characterized by intermittent rainfall and high humidity.
The southern and western parts of the island may still receive occasional showers, with temperatures averaging around 28° during the day and 24° at night. However, as the month progresses, the rainfall tends to decrease, and the weather becomes more settled.
By the end of October, Sri Lanka typically enjoys drier and more stable weather conditions. The temperatures remain relatively consistent, with daytime highs around 29° and nighttime lows around 25°.
The coastal areas, including popular tourist destinations such as Galle and Colombo, experience pleasant sea breezes and warm temperatures, making it an ideal time for beach activities and outdoor exploration.
Overall, October marks a transition towards more favorable weather in Sri Lanka, with decreasing rainfall and comfortable temperatures, making it a great time to visit and explore the diverse landscapes and cultural attractions of this beautiful island nation.