Average sea water temperature in May:
+65.3°F
| Minimum sea water temperature in May: | 72.5°F |
| Maximum sea water temperature in May: | 60.4°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 64.9°F. The highest and lowest sea temperatures during the month were 66.4°F and 63.7°F.
Monthly sea water temperature in Nettuno, °F
Which Italy resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Cefalu | 65.9°F | 67.4°F |
| Sicily | 65.8°F | 67.1°F |
| Cagliari | 65.8°F | 66.5°F |
| Lampedusa | 65.5°F | 67.2°F |
| Forte dei Marmi | 65.3°F | 66.7°F |
| Viareggio | 65.3°F | 66.9°F |
| Portofino | 65.2°F | 66.6°F |
| Palermo | 65.2°F | 66.8°F |
| Scalea | 65.2°F | 67.5°F |
| Camogli | 65.2°F | 66.6°F |
| Recco | 65.2°F | 66.7°F |
| Naples | 65.2°F | 67.4°F |
| Alba Adriatica | 65.2°F | 67.3°F |
| Rapallo | 65.2°F | 66.6°F |
| Ischia | 65.1°F | 67.5°F |
| Le Grazie | 65.1°F | 66.6°F |
| La Spezia | 65.1°F | 66.6°F |
| Lerici | 65.1°F | 66.6°F |
| Tropea | 65.0°F | 67.3°F |
| Riomaggiore | 65.0°F | 66.6°F |
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 19:59
May 17, sunday
2100
59°F
SE
6 mph
6 mph
May 18, monday
0000
57°F
SE
6 mph
6 mph
0300
57°F
SE
6 mph
6 mph
0600
57°F
SE
6 mph
6 mph
0900
63°F
E
6 mph
6 mph
1200
64°F
NE
9 mph
9 mph
1500
64°F
NE
11 mph
11 mph
1800
64°F
NE
9 mph
9 mph
