Generally the typical temperate in Voiron during the duration of December is 4. You can expect highs around 6 and low being 0. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 4 |
| High Temperature | 6 |
| Low Temperature | 0 |
Useful Links: Voiron Weather: Average Weather & Yearly Climate