Generally, you can anticipate the weather in Kastoria through the whole of December is 4. Through the month the highs are about 7 and average daily low being -1 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 4 |
| High Temperature | 7 |
| Low Temperature | -1 |
| Sunshine Per Day | 5 |
Useful Links: Kastoria Weather: Average Weather & Yearly Climate