Normally the average weather in Sri Lanka during the time of December is 25. You can expect a high of 30 and low being around 23. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 25 |
| High Temperature | 30 |
| Low Temperature | 23 |
| Sunshine Per Day | 8 |
Useful Links: Sri Lanka Weather: Average Weather & Yearly Climate