Current sea water temperature:
+52.2°F
| Minimum sea water temperature in December: | 59.5°F |
| Maximum sea water temperature in December: | 50.0°F |
| Average sea water temperature in December: | 54.2°F |
| more information | |
14 days
forecast
forecast
| Grottammare |
monthly
weather
weather
| Grottammare |
Sea water temperature for the last 10 days:
| December 29 | 52.2°F | December 24 | 53.2°F |
| December 28 | 52.5°F | December 23 | 52.7°F |
| December 27 | 52.5°F | December 22 | 52.0°F |
| December 26 | 54.5°F | December 21 | 52.5°F |
| December 25 | 53.8°F | December 20 | 53.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Grottammare?
Based on the data about daily sea water temperature for the last three years the warmest sea in Grottammare was noticed in August, July and September.
Monthly Sea Temperatures in Grottammare, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.5°F. The highest and lowest sea temperatures during the month were 80.8°F and 77.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 83.1°F and 78.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.7°F. The highest and lowest sea temperatures during the month were 78.4°F and 73.8°F.
current
weather
weather
| Grottammare |
weather in
January
January
| Grottammare |
Best time for vacation in Grottammare
Grottammare on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Grottammare
Local time: 15:51
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



























