Normally the average weather in Grosseto in December is 7 with a high of 13 and typical average low being around 4. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 13 |
| Low Temperature | 4 |
| Sunshine Per Day | 4 |
Useful Links: Grosseto Weather: Average Weather & Yearly Climate