Usually the average weather in Morfa Dyffryn right through December is 5. Throughout the month you should see a high of 9 with low of 4. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 9 |
| Low Temperature | 4 |
Useful Links: Morfa Dyffryn Weather: Average Weather & Yearly Climate