Average sea water temperature in December:
+55.0°F
| Minimum sea water temperature in December: | 59.7°F |
| Maximum sea water temperature in December: | 50.2°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 55.9°F. The highest and lowest sea temperatures during the month were 56.5°F and 55.0°F.
Monthly sea water temperature in Trieste, °F
Which Italy resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Lampedusa | 66.8°F | 67.2°F |
| Capo Vaticano | 65.2°F | 65.1°F |
| Tropea | 65.1°F | 65.1°F |
| Cefalu | 65.0°F | 64.5°F |
| Sirakuzy | 64.8°F | 64.7°F |
| Briatico | 64.8°F | 64.9°F |
| Sicily | 64.6°F | 64.3°F |
| Capri | 64.6°F | 65.0°F |
| Scalea | 64.5°F | 64.9°F |
| Pizzo | 64.5°F | 64.6°F |
| Maiori | 64.4°F | 64.6°F |
| Amalfi | 64.4°F | 64.6°F |
| Catania | 64.3°F | 64.4°F |
| Positano | 64.3°F | 64.8°F |
| Sorrento | 64.2°F | 64.8°F |
| Ischia | 64.2°F | 64.8°F |
| Mondello | 64.2°F | 64.3°F |
| Taormina | 64.1°F | 64.3°F |
| Paestum | 64.1°F | 64.5°F |
| Letojanni | 64.1°F | 64.3°F |
Best time for vacation in Trieste
Trieste on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Trieste
Local time: 21:31
December 17, wednesday
0000
50°F
W
4 mph
4 mph
0300
50°F
W
4 mph
4 mph
0600
50°F
W
4 mph
4 mph
0900
50°F
W
4 mph
4 mph
1200
50°F
W
3 mph
3 mph
1500
52°F
W
3 mph
3 mph
1800
50°F
NW
3 mph
3 mph
2100
50°F
N
3 mph
3 mph
