Generally, average daily wearther in Opatija throughout December is 5 with a normal high in the month being 10 with low average temperatures being 4. Discover more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 10 |
| Low Temperature | 4 |
Useful Links: Opatija Weather: Average Weather & Yearly Climate