Current sea water temperature:
+61.5°F
| Minimum sea water temperature in January: | 63.1°F |
| Maximum sea water temperature in January: | 57.4°F |
| Average sea water temperature in January: | 59.8°F |
| more information | |
14 days
forecast
forecast
| Naples |
monthly
weather
weather
| Naples |
Sea water temperature for the last 10 days:
| January 4 | 61.5°F | December 30 | 62.1°F |
| January 3 | 61.9°F | December 29 | 62.6°F |
| January 2 | 62.1°F | December 28 | 62.6°F |
| January 1 | 62.2°F | December 27 | 62.6°F |
| December 31 | 62.2°F | December 26 | 62.4°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
January
January
| Naples |
Best time for vacation in Naples
Naples on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Naples
Local time: 04:36
January 05, monday
0600
55°F
NW
7 mph
7 mph
0900
55°F
N
6 mph
6 mph
1200
55°F
SW
4 mph
4 mph
1500
57°F
S
3 mph
3 mph
1800
57°F
SW
1 mph
1 mph
2100
55°F
NW
4 mph
4 mph
January 06, tuesday
0000
55°F
W
7 mph
7 mph
0300
55°F
W
8 mph
8 mph
