Typically, the expected weather in Santa Clarita during December is 9 with a normal high in the month being 15 and low being 7 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 15 |
| Low Temperature | 7 |
Useful Links: Santa Clarita Weather: Average Weather & Yearly Climate