Generally, the weather in Derry in December is 0 with a general average high of 3 with low daily temperautes being -5 degrees. For more context we have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 0 |
| High Temperature | 3 |
| Low Temperature | -5 |
Useful Links: Derry Weather: Average Weather & Yearly Climate