Current sea water temperature:
+62.4°F
| Minimum sea water temperature in December: | 65.5°F |
| Maximum sea water temperature in December: | 59.5°F |
| Average sea water temperature in December: | 62.5°F |
| more information | |
14 days
forecast
forecast
| Nettuno |
monthly
weather
weather
| Nettuno |
Sea water temperature for the last 10 days:
| December 14 | 62.4°F | December 9 | 62.8°F |
| December 13 | 62.4°F | December 8 | 63.3°F |
| December 12 | 62.1°F | December 7 | 62.8°F |
| December 11 | 62.2°F | December 6 | 63.0°F |
| December 10 | 62.4°F | December 5 | 63.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Nettuno?
Based on the data about daily sea water temperature for the last three years the warmest sea in Nettuno was noticed in August, July and September.
Monthly Sea Temperatures in Nettuno, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 77.7°F. The highest and lowest sea temperatures during the month were 80.1°F and 72.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.3°F. The highest and lowest sea temperatures during the month were 81.9°F and 73.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.2°F.
current
weather
weather
| Nettuno |
weather in
December
December
| Nettuno |
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 03:14
December 15, monday
0600
52°F
W
4 mph
4 mph
0900
54°F
W
6 mph
6 mph
1200
59°F
NW
9 mph
9 mph
1500
59°F
NW
11 mph
11 mph
1800
55°F
NW
8 mph
8 mph
2100
55°F
W
9 mph
9 mph
December 16, tuesday
0000
54°F
W
10 mph
10 mph
0300
54°F
NW
11 mph
11 mph
