Grosseto Weather: December
 |
Average Day Temperature: | 55.2°F |
|
Average Night Temperature: | 46.4°F |
|
Sea Water Temperature: | 62.9°F |
|
Number of Sunny Days: | 15 days |
| Sunshine Hours: | 9.0 - 9.3 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.4 in | |
| detailed information | ||
forecast
| Grosseto |
Temperature
| Grosseto |
Air Temperature in December, °F
The highest day temperature in December 2025 was 63°F. The lowest night temperature was 40°F. The average values for day and night temperatures during December were 56.3°F и 48.3°F respectivly.
Grosseto Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Grosseto was 63.5°F. The maximum and minimum values were 62.2°F and 64.6°F respectively.
Most of the days in December are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Grosseto is 1.4 in.
The average wind speed in December is 8.0 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 Grosseto in December is 5.8 hours.
Grosseto on the Weather Map
| Amalfi |  |
+54 |
| Bari |  |
+58 |
| Cagliari |  |
+60 |
| Catania | |
+60 |
| Florence | |
+50 |
| Genoa | |
+48 |
| Naples | |
+58 |
| Palermo |  |
+58 |
| Pisa | |
+54 |
| Reggio di Calabria | |
+60 |
| Rimini | |
+44 |
| Rome | |
+56 |
| Scalea | |
+46 |
| Sicily | |
+50 |
| Venice |  |
+34 |
| 1500 |  |
56°F | E 20 mph |
| 1800 |  |
54°F | E 14 mph |
| 2100 |  |
52°F | E 12 mph |
| 0000 | |
50°F | NE 11 mph |
| 0300 | |
48°F | NE 6 mph |
| 0600 | |
50°F | E 28 mph |
| 0900 | |
50°F | E 20 mph |
| 1200 |  |
46°F | S 12 mph |