Average sea water temperature in May:
+66.1°F
| Minimum sea water temperature in May: | 72.9°F |
| Maximum sea water temperature in May: | 60.6°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 65.2°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.7°F.
Monthly sea water temperature in Naples, °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 Naples
Naples on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Naples
Local time: 01:54
May 18, monday
0300
61°F
SE
2 mph
2 mph
0600
59°F
S
1 mph
1 mph
0900
64°F
E
4 mph
4 mph
1200
66°F
E
8 mph
8 mph
1500
66°F
E
11 mph
11 mph
1800
64°F
E
11 mph
11 mph
2100
63°F
E
9 mph
9 mph
May 19, tuesday
0000
61°F
E
6 mph
6 mph
