Current sea water temperature:
+63.3°F
| Minimum sea water temperature in December: | 66.7°F |
| Maximum sea water temperature in December: | 59.9°F |
| Average sea water temperature in December: | 63.2°F |
| more information | |
14 days
forecast
forecast
| Naples |
monthly
weather
weather
| Naples |
Sea water temperature for the last 10 days:
| December 20 | 63.3°F | December 15 | 63.3°F |
| December 19 | 63.3°F | December 14 | 63.3°F |
| December 18 | 63.5°F | December 13 | 63.5°F |
| December 17 | 63.9°F | December 12 | 63.3°F |
| December 16 | 63.3°F | December 11 | 63.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Naples?
Based on the data about daily sea water temperature for the last three years the warmest sea in Naples was noticed in August, July and September.
Monthly Sea Temperatures in Naples, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.1°F. The highest and lowest sea temperatures during the month were 81.5°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 80.8°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 80.2°F and 75.9°F.
current
weather
weather
| Naples |
weather in
December
December
| Naples |
Best time for vacation in Naples
Naples on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Naples
Local time: 01:20
December 21, sunday
0300
55°F
SW
6 mph
6 mph
0600
54°F
SW
5 mph
5 mph
0900
55°F
SW
4 mph
4 mph
1200
59°F
SW
3 mph
3 mph
1500
61°F
NW
2 mph
2 mph
1800
59°F
NW
2 mph
2 mph
2100
59°F
W
3 mph
3 mph
December 22, monday
0000
57°F
W
4 mph
4 mph
