World Resorts Portugal Sintra Weather

Sintra Sea Temperature in August

Average sea water temperature in August:
+63.9°F
Minimum sea water temperature in August: 68.2°F
Maximum sea water temperature in August: 58.5°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 64.7°F. The highest and lowest sea temperatures during the month were 66.7°F and 63.0°F.

Monthly sea water temperature in Sintra, °F

Which Portugal resorts have warmest sea in August?

Place name August 2025 August 2024
Graciosa 75.3°F 77.5°F
Madeira 75.2°F 75.5°F
Funchal 75.2°F 75.5°F
Sao Jorge 75.1°F 77.9°F
Corvo Island 75.0°F 77.9°F
Canico 75.0°F 75.1°F
Flores Island 75.0°F 78.2°F
Santa Maria Island 74.8°F 78.1°F
Pico Island 74.6°F 77.2°F
Faial Island 74.5°F 77.2°F
Terceira Island 74.3°F 76.8°F
Ponta Delgada 74.2°F 77.1°F
Sao Miguel 74.1°F 76.9°F
Tavira 73.9°F 72.4°F
Porto Santo Island 73.7°F 74.8°F
Algarve 73.4°F 72.3°F
Faro 73.4°F 72.3°F
Quarteira 72.5°F 71.3°F
Albufeira 72.3°F 70.6°F
Portimao 71.6°F 69.9°F

Best time for vacation in Sintra

Sunniest months:
August 27 days
July 26 days
September 23 days
Warmest months:
August 78.5 °F
July 77.7 °F
September 76.6 °F
Warmest sea temp:
September 64.6 °F
October 64.2 °F
August 63.9 °F
Coldest months:
January 58.9 °F
February 59.6 °F
December 60.8 °F
Rainiest months:
March 4 days
November 4 days
January 4 days
Windiest months:
July 12.9 mph
August 12.4 mph
June 12.1 mph

Sintra on a weather map

Sintra
+52°F
SE 19 mph
Feels like: +46°F
Precip.: 100%
Places in Portugal:
Name
°F
+54°F
+54°F
+54°F
+54°F
+54°F
+52°F
+54°F
+59°F
+54°F
+48°F
+59°F
+54°F
+54°F
24 Hours Forecast
Sintra
Local time: 11:18
December 21, sunday
1200
52°F
SE
19 mph
1500
52°F
SE
19 mph
1800
50°F
SE
17 mph
2100
50°F
SE
15 mph
December 22, monday
0000
48°F
SE
12 mph
0300
48°F
SE
13 mph
0600
48°F
SE
16 mph
0900
50°F
S
17 mph
Units of measurement: °C / °F