Generally the typical temperate in Amman during December is 8 with a typical high being 14 with lows of 5 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 8 |
| High Temperature | 14 |
| Low Temperature | 5 |
| Sunshine Per Day | 7 |
Useful Links: Amman Weather: Average Weather & Yearly Climate