21.12
sun
sun
Day
55°F
W 2 mph
Precip.
67%
67%
Night
48°F
NE 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
55°F
NW 11 mph
Precip.
0%
0%
Night
48°F
NE 5 mph
Precip.
0%
0%
23.12
tue
tue
Day
54°F
SE 3 mph
Precip.
0%
0%
Night
50°F
E 6 mph
Precip.
0%
0%
24.12
wed
wed
Day
54°F
NW 2 mph
Precip.
0%
0%
Night
48°F
E 5 mph
Precip.
0%
0%
25.12
thu
thu
Day
52°F
SE 5 mph
Precip.
0%
0%
Night
48°F
W 2 mph
Precip.
100%
100%
26.12
fri
fri
Day
48°F
NW 10 mph
Precip.
100%
100%
Night
50°F
SW 7 mph
Precip.
100%
100%
27.12
sat
sat
Day
48°F
SE 14 mph
Precip.
71%
71%
Night
43°F
S 10 mph
Precip.
26%
26%
sea water
temperature
temperature
| Grottammare |
monthly
weather
weather
| Grottammare |
current
weather
weather
| Grottammare |
14 days
forecast
forecast
| Grottammare |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 54.0°F. The highest and lowest sea temperatures during the month were 56.7°F and 52.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 49.1°F. The highest and lowest sea temperatures during the month were 51.8°F and 46.6°F.
Air temperature in Grottammare, °F
Precipitation total in Grottammare, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grottammare
Grottammare on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Grottammare
Local time: 12:30
December 21, sunday
1500
55°F
W
6 mph
6 mph
1800
52°F
NW
4 mph
4 mph
2100
50°F
N
3 mph
3 mph
December 22, monday
0000
48°F
NE
4 mph
4 mph
0300
48°F
N
4 mph
4 mph
0600
46°F
NE
4 mph
4 mph
0900
48°F
NE
2 mph
2 mph
1200
55°F
NW
11 mph
11 mph
