The highest day temperature in December 2023 was 68°F. The lowest night temperature was 40°F. The average values for day and night temperatures during December were 56.7°F и 49.7°F respectivly.

The average sea surface temperature in December 2023 for Marina di Grosseto was 62.9°F. The maximum and minimum values were 61.2°F and 65.0°F respectively.

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation total in December for Marina di Grosseto is 1.4 in. It makes december the most rainy month of the year.

The average wind speed in December is 7.6 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Marina di Grosseto in December is 4.4 hours.