Current sea water temperature:
+59.5°F
| Minimum sea water temperature in January: | 61.9°F |
| Maximum sea water temperature in January: | 57.4°F |
| Average sea water temperature in January: | 59.3°F |
| more information | |
14 days
forecast
forecast
| Nettuno |
monthly
weather
weather
| Nettuno |
Sea water temperature for the last 10 days:
| January 12 | 59.5°F | January 7 | 60.8°F |
| January 11 | 59.5°F | January 6 | 60.8°F |
| January 10 | 60.1°F | January 5 | 60.6°F |
| January 9 | 60.1°F | January 4 | 60.8°F |
| January 8 | 60.1°F | January 3 | 61.0°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
January
January
| Nettuno |
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 15:09
January 12, monday
1800

48°F
NW
7 mph
7 mph
2100

46°F
NW
9 mph
9 mph
January 13, tuesday
0000

46°F
W
9 mph
9 mph
0300

48°F
W
9 mph
9 mph
0600

48°F
NW
9 mph
9 mph
0900

50°F
NW
10 mph
10 mph
1200

54°F
NW
11 mph
11 mph
1500

54°F
NW
12 mph
12 mph




























