Normally, the average daily temperature in Portmagee in the month of December is 6 with highs being 10 with lows around 6. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 6 |
| High Temperature | 10 |
| Low Temperature | 6 |
| Sunshine Per Day | 3 |
Useful Links: Portmagee Weather: Average Weather & Yearly Climate