Generally, average daily wearther in Grenoble through the whole of December is 4. Average high degrees are usually 6 with low temperatures being around 0 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 4 |
| High Temperature | 6 |
| Low Temperature | 0 |
| Sunshine Per Day | 3 |
Useful Links: Grenoble Weather: Average Weather & Yearly Climate