World Resorts Portugal Algarve Weather

Algarve Sea Temperature in December

Average sea water temperature in December:
+63.0°F
Minimum sea water temperature in December: 66.9°F
Maximum sea water temperature in December: 58.3°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 62.1°F. The highest and lowest sea temperatures during the month were 63.1°F and 60.8°F.

Monthly sea water temperature in Algarve, °F

Which Portugal resorts have warmest sea in December?

Place name December 2025 December 2024
Madeira 69.4°F 69.9°F
Funchal 69.4°F 69.9°F
Canico 69.3°F 69.7°F
Porto Santo Island 69.0°F 69.3°F
Santa Maria Island 66.8°F 66.9°F
Faial Island 64.7°F 65.6°F
Pico Island 64.6°F 65.5°F
Sao Jorge 64.5°F 65.6°F
Ponta Delgada 64.4°F 65.7°F
Sao Miguel 64.3°F 65.5°F
Flores Island 64.2°F 65.6°F
Graciosa 63.9°F 65.6°F
Terceira Island 63.8°F 65.1°F
Corvo Island 63.8°F 65.0°F
Algarve 62.1°F 64.2°F
Faro 62.1°F 64.2°F
Alvor 61.7°F 63.8°F
Sagres 61.7°F 64.3°F
Albufeira 61.7°F 63.5°F
Portimao 61.7°F 63.5°F

Best time for vacation in Algarve

Sunniest months:
August 30 days
July 30 days
June 26 days
Warmest months:
August 81.6 °F
July 80.8 °F
September 77.4 °F
Warmest sea temp:
August 70.4 °F
September 70.0 °F
July 69.6 °F
Coldest months:
January 59.4 °F
February 59.6 °F
December 61.5 °F
Rainiest months:
November 3 days
March 3 days
December 2 days
Windiest months:
March 11.6 mph
February 11.0 mph
April 10.7 mph

Algarve on a weather map

Algarve
+55°F
SE 29 mph
Feels like: +48°F
Precip.: 67%
Places in Portugal:
Name
°F
+54°F
+55°F
+57°F
+54°F
+55°F
+55°F
+50°F
+63°F
+55°F
+52°F
+63°F
+55°F
+50°F
24 Hours Forecast
Algarve
Local time: 20:21
December 16, tuesday
2100
55°F
SE
29 mph
December 17, wednesday
0000
55°F
S
24 mph
0300
54°F
S
22 mph
0600
54°F
S
17 mph
0900
52°F
S
17 mph
1200
57°F
SW
17 mph
1500
61°F
S
14 mph
1800
59°F
S
12 mph

Best place for vacation:

Units of measurement: °C / °F