Average sea water temperature in December:
+62.1°F
| Minimum sea water temperature in December: | 65.3°F |
| Maximum sea water temperature in December: | 59.0°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 62.1°F. The highest and lowest sea temperatures during the month were 63.3°F and 60.6°F.
Monthly sea water temperature in Ostia, °F
Which Italy resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Avola | 65.0°F | 65.0°F |
| Capo Vaticano | 64.5°F | 65.1°F |
| Tropea | 64.4°F | 65.1°F |
| Marina di Zambrone | 64.2°F | 65.0°F |
| Sirakuzy | 64.2°F | 64.7°F |
| Capri | 64.0°F | 65.0°F |
| Scalea | 63.9°F | 64.9°F |
| Amalfi | 63.8°F | 64.6°F |
| Maiori | 63.8°F | 64.6°F |
| Positano | 63.8°F | 64.8°F |
| Ischia | 63.8°F | 64.8°F |
| Sorrento | 63.7°F | 64.8°F |
| Catania | 63.6°F | 64.4°F |
| Cefalu | 63.5°F | 64.5°F |
| Taormina | 63.5°F | 64.3°F |
| Letojanni | 63.5°F | 64.3°F |
| Giardini Naxos | 63.5°F | 64.3°F |
| Paestum | 63.5°F | 64.5°F |
| Sicily | 63.3°F | 64.3°F |
| Naples | 63.3°F | 64.5°F |
Best time for vacation in Ostia
Ostia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ostia
Local time: 20:45
August 25, tuesday
2100
82°F
E
6 mph
6 mph
August 26, wednesday
0000
81°F
NE
4 mph
4 mph
0300
81°F
W
2 mph
2 mph
0600
79°F
W
6 mph
6 mph
0900
81°F
SW
7 mph
7 mph
1200
84°F
E
7 mph
7 mph
1500
84°F
N
12 mph
12 mph
1800
84°F
E
9 mph
9 mph
