You should expect the average temperature in Negombo right through the month of December is 24. You can expect a high of 31 and average daily low being 21. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 24 |
| High Temperature | 31 |
| Low Temperature | 21 |
Useful Links: Negombo Weather: Average Weather & Yearly Climate