Normally the average weather in Havana right-through December is 21 with the high being 27 with lows about 18 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 21 |
| High Temperature | 27 |
| Low Temperature | 18 |
| Sunshine Per Day | 9 |
Useful Links: Havana Weather: Average Weather & Yearly Climate