Usually average temperatures are Colombo in December is 25 with a general average high of 30 and low being around 23 degrees. With the details being further below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 25 |
| High Temperature | 30 |
| Low Temperature | 23 |
| Sunshine Per Day | 8 |
Useful Links: Colombo Weather: Average Weather & Yearly Climate