Average sea water temperature in May:
+66.3°F
| Minimum sea water temperature in May: | 71.8°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 65.5°F. The highest and lowest sea temperatures during the month were 67.3°F and 63.9°F.
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Monthly sea water temperature in Posillipo, °F
Which Italy resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Sicily | 66.1°F | 67.1°F |
| Cefalu | 66.0°F | 67.4°F |
| Scalea | 65.7°F | 67.5°F |
| Lampedusa | 65.7°F | 67.2°F |
| Cagliari | 65.6°F | 66.5°F |
| Naples | 65.5°F | 67.4°F |
| La Spezia | 65.5°F | 66.6°F |
| Viareggio | 65.5°F | 66.9°F |
| Forte dei Marmi | 65.5°F | 66.7°F |
| Lerici | 65.5°F | 66.6°F |
| Portofino | 65.5°F | 66.6°F |
| Santa Margherita Ligure | 65.5°F | 66.6°F |
| Palermo | 65.4°F | 66.8°F |
| Ischia | 65.4°F | 67.5°F |
| Camogli | 65.4°F | 66.6°F |
| Riomaggiore | 65.4°F | 66.6°F |
| Vernazza | 65.4°F | 66.6°F |
| Rapallo | 65.4°F | 66.6°F |
| Recco | 65.4°F | 66.7°F |
| Tropea | 65.4°F | 67.3°F |
Best time for vacation in Posillipo
Posillipo on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Posillipo
Local time: 19:04
May 23, saturday
2100
73°F
S
4 mph
4 mph
May 24, sunday
0000
72°F
S
6 mph
6 mph
0300
68°F
S
6 mph
6 mph
0600
68°F
SW
8 mph
8 mph
0900
73°F
SW
7 mph
7 mph
1200
79°F
W
3 mph
3 mph
1500
81°F
SE
3 mph
3 mph
1800
77°F
SE
8 mph
8 mph
