Average sea water temperature in May:
+61.1°F
| Minimum sea water temperature in May: | 66.2°F |
| Maximum sea water temperature in May: | 57.0°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 61.7°F. The highest and lowest sea temperatures during the month were 63.3°F and 59.7°F.
Monthly sea water temperature in Sintra, °F
Which Portugal resorts have warmest sea in May?
| Place name | May 2025 | May 2024 |
|---|---|---|
| Madeira | 68.3°F | 68.8°F |
| Funchal | 68.3°F | 68.8°F |
| Canico | 68.0°F | 68.6°F |
| Porto Santo Island | 66.9°F | 68.2°F |
| Santa Maria Island | 65.1°F | 66.9°F |
| Algarve | 64.5°F | 61.9°F |
| Faro | 64.5°F | 61.9°F |
| Lisbon | 63.9°F | 62.8°F |
| Tavira | 63.7°F | 60.7°F |
| Quarteira | 63.7°F | 61.0°F |
| Ponta Delgada | 63.5°F | 65.3°F |
| Sao Miguel | 63.5°F | 65.1°F |
| Setubal | 63.4°F | 62.0°F |
| Flores Island | 63.4°F | 64.9°F |
| Corvo Island | 63.3°F | 65.1°F |
| Sao Jorge | 63.2°F | 65.4°F |
| Albufeira | 63.2°F | 60.3°F |
| Faial Island | 63.1°F | 64.9°F |
| Graciosa | 63.1°F | 65.1°F |
| Pico Island | 63.1°F | 64.9°F |
Best time for vacation in Sintra
Sintra on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Sintra
Local time: 11:33
December 21, sunday
1200
54°F
SE
21 mph
21 mph
1500
52°F
SE
20 mph
20 mph
1800
50°F
SE
17 mph
17 mph
2100
50°F
SE
15 mph
15 mph
December 22, monday
0000
50°F
SE
12 mph
12 mph
0300
48°F
SE
12 mph
12 mph
0600
48°F
SE
14 mph
14 mph
0900
50°F
S
12 mph
12 mph
