Usually the weather in Yosemite West through the whole of December is 7 with highs being 14 and low average expected to be -2 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 14 |
| Low Temperature | -2 |
Useful Links: Yosemite West Weather: Average Weather & Yearly Climate