You should expect the average temperature in Cardiff in the month of December is 7 with the high being 8 and typical average low being around 4. Discover more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 8 |
| Low Temperature | 4 |
| Sunshine Per Day | 3 |
Useful Links: Cardiff Weather: Average Weather & Yearly Climate