Average sea water temperature in December:
+62.5°F
| Minimum sea water temperature in December: | 65.5°F |
| Maximum sea water temperature in December: | 59.5°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 62.8°F. The highest and lowest sea temperatures during the month were 63.9°F and 62.1°F.
Monthly sea water temperature in Nettuno, °F
Which Italy resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Lampedusa | 66.6°F | 67.2°F |
| Avola | 65.5°F | 65.0°F |
| Capo Vaticano | 65.0°F | 65.1°F |
| Tropea | 64.9°F | 65.1°F |
| Sirakuzy | 64.7°F | 64.7°F |
| Briatico | 64.5°F | 64.9°F |
| Capri | 64.4°F | 65.0°F |
| Cefalu | 64.4°F | 64.5°F |
| Scalea | 64.3°F | 64.9°F |
| Pizzo | 64.3°F | 64.6°F |
| Amalfi | 64.2°F | 64.6°F |
| Maiori | 64.2°F | 64.6°F |
| Positano | 64.1°F | 64.8°F |
| Sicily | 64.1°F | 64.3°F |
| Catania | 64.1°F | 64.4°F |
| Sorrento | 64.1°F | 64.8°F |
| Ischia | 64.1°F | 64.8°F |
| Taormina | 64.0°F | 64.3°F |
| Letojanni | 63.9°F | 64.3°F |
| Paestum | 63.9°F | 64.5°F |
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 18:56
December 21, sunday
2100
55°F
W
9 mph
9 mph
December 22, monday
0000
55°F
W
11 mph
11 mph
0300
55°F
W
9 mph
9 mph
0600
55°F
W
9 mph
9 mph
0900
55°F
W
10 mph
10 mph
1200
61°F
NW
14 mph
14 mph
1500
59°F
NW
17 mph
17 mph
1800
57°F
NW
15 mph
15 mph
