29.12
mon
mon
Day
50°F
S 2 mph
Precip.
0%
0%
Night
45°F
NE 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
48°F
SE 7 mph
Precip.
0%
0%
Night
39°F
W 15 mph
Precip.
0%
0%
31.12
wed
wed
Day
41°F
NW 6 mph
Precip.
0%
0%
Night
36°F
NE 4 mph
Precip.
0%
0%
01.01
thu
thu
Day
45°F
N 5 mph
Precip.
0%
0%
Night
43°F
NE 4 mph
Precip.
0%
0%
02.01
fri
fri
Day
52°F
N 6 mph
Precip.
0%
0%
Night
52°F
N 9 mph
Precip.
0%
0%
03.01
sat
sat
Day
59°F
N 6 mph
Precip.
0%
0%
Night
50°F
NE 7 mph
Precip.
0%
0%
04.01
sun
sun
Day
59°F
NW 6 mph
Precip.
0%
0%
Night
52°F
NE 6 mph
Precip.
0%
0%
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 53.7°F. The highest and lowest sea temperatures during the month were 56.7°F and 52.0°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: 15:50
December 29, monday
1800
46°F
NW
2 mph
2 mph
2100
46°F
NE
3 mph
3 mph
December 30, tuesday
0000
45°F
NE
4 mph
4 mph
0300
43°F
NE
4 mph
4 mph
0600
43°F
E
4 mph
4 mph
0900
45°F
E
5 mph
5 mph
1200
48°F
SE
7 mph
7 mph
1500
48°F
SE
9 mph
9 mph
