World Resorts Portugal Estoril Weather

Estoril Sea Temperature in December

Average sea water temperature in December:
+60.2°F
Minimum sea water temperature in December: 64.0°F
Maximum sea water temperature in December: 56.7°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 59.8°F. The highest and lowest sea temperatures during the month were 60.8°F and 57.4°F.

Monthly sea water temperature in Estoril, °F

Which Portugal resorts have warmest sea in December?

Place name December 2025 December 2024
Madeira 68.7°F 69.9°F
Funchal 68.7°F 69.9°F
Canico 68.6°F 69.7°F
Porto Santo Island 68.0°F 69.3°F
Santa Maria Island 66.3°F 66.9°F
Faial Island 64.1°F 65.6°F
Pico Island 63.9°F 65.5°F
Sao Miguel 63.8°F 65.5°F
Ponta Delgada 63.8°F 65.7°F
Flores Island 63.8°F 65.6°F
Sao Jorge 63.7°F 65.6°F
Graciosa 63.3°F 65.6°F
Corvo Island 63.3°F 65.0°F
Terceira Island 63.1°F 65.1°F
Algarve 61.4°F 64.2°F
Faro 61.4°F 64.2°F
Sagres 61.2°F 64.3°F
Alvor 61.1°F 63.8°F
Lagos 61.1°F 64.0°F
Portimao 61.1°F 63.5°F

Best time for vacation in Estoril

Sunniest months:
August 27 days
July 26 days
September 24 days
Warmest months:
August 76.1 °F
July 75.0 °F
September 74.6 °F
Warmest sea temp:
September 64.6 °F
October 64.2 °F
August 63.8 °F
Coldest months:
January 58.5 °F
February 59.0 °F
December 60.5 °F
Rainiest months:
November 5 days
March 4 days
December 4 days
Windiest months:
July 13.8 mph
August 13.1 mph
June 12.8 mph

Estoril on a weather map

Estoril
+55°F
S 5 mph
Feels like: +54°F
Precip.: 0%
Places in Portugal:
Name
°F
+54°F
+55°F
+54°F
+54°F
+54°F
+55°F
+54°F
+63°F
+54°F
+52°F
+63°F
+54°F
+55°F
+54°F
24 Hours Forecast
Estoril
Local time: 17:02
December 29, monday
1800
55°F
S
5 mph
2100
54°F
SW
6 mph
December 30, tuesday
0000
52°F
SW
5 mph
0300
52°F
W
5 mph
0600
50°F
W
5 mph
0900
50°F
W
6 mph
1200
54°F
W
5 mph
1500
55°F
W
2 mph
Units of measurement: °C / °F