More often than not you can expect weather in Rarotonga in the course of December is 23 with a normal high in the month being 27 degrees and a low of 23.
| Month | Degrees Celsius |
|---|---|
| Temperature | 23 |
| High Temperature | 27 |
| Low Temperature | 23 |
| Sunshine Per Day | 9 |
Useful Links: Rarotonga Weather: Average Weather & Yearly Climate