Current sea water temperature:
+64.6°F
| Minimum sea water temperature in May: | 72.5°F |
| Maximum sea water temperature in May: | 60.4°F |
| Average sea water temperature in May: | 65.3°F |
| more information | |
14 days
forecast
forecast
| Nettuno |
monthly
weather
weather
| Nettuno |
Sea water temperature for the last 10 days:
| May 17 | 64.6°F | May 12 | 65.5°F |
| May 16 | 65.3°F | May 11 | 64.8°F |
| May 15 | 65.5°F | May 10 | 64.9°F |
| May 14 | 65.8°F | May 9 | 64.6°F |
| May 13 | 66.4°F | May 8 | 64.2°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
May
May
| Nettuno |
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 19:19
May 17, sunday
2100

59°F
SE
7 mph
7 mph
May 18, monday
0000

57°F
SE
7 mph
7 mph
0300

57°F
SE
9 mph
9 mph
0600

57°F
SE
7 mph
7 mph
0900

63°F
SE
6 mph
6 mph
1200

66°F
E
9 mph
9 mph
1500

64°F
NE
11 mph
11 mph
1800

64°F
NE
7 mph
7 mph



























