World Resorts Portugal Algarve Weather

Algarve Sea Temperature in December

Average sea water temperature in December:
+62.9°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 61.3°F. The highest and lowest sea temperatures during the month were 63.1°F and 59.4°F.

Monthly sea water temperature in Algarve, °F

Which Portugal resorts have warmest sea in December?

Place name December 2025 December 2024
Madeira 68.6°F 69.9°F
Funchal 68.6°F 69.9°F
Canico 68.5°F 69.7°F
Porto Santo Island 67.8°F 69.3°F
Santa Maria Island 66.2°F 66.9°F
Faial Island 64.0°F 65.6°F
Pico Island 63.8°F 65.5°F
Flores Island 63.7°F 65.6°F
Sao Miguel 63.7°F 65.5°F
Ponta Delgada 63.7°F 65.7°F
Sao Jorge 63.6°F 65.6°F
Corvo Island 63.3°F 65.0°F
Graciosa 63.2°F 65.6°F
Terceira Island 63.0°F 65.1°F
Faro 61.3°F 64.2°F
Algarve 61.3°F 64.2°F
Sagres 61.1°F 64.3°F
Lagos 61.0°F 64.0°F
Alvor 61.0°F 63.8°F
Portimao 61.0°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 61.3 °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
+48°F
S 5 mph
Feels like: +46°F
Precip.: 0%
Places in Portugal:
Name
°F
+46°F
+48°F
+52°F
+46°F
+48°F
+48°F
+50°F
+61°F
+46°F
+46°F
+61°F
+48°F
+50°F
24 Hours Forecast
Algarve
Local time: 03:17
January 08, thursday
0600
48°F
SW
4 mph
0900
48°F
S
2 mph
1200
52°F
N
1 mph
1500
55°F
E
4 mph
1800
55°F
E
9 mph
2100
54°F
SE
5 mph
January 09, friday
0000
54°F
SE
4 mph
0300
55°F
E
6 mph

Best place for vacation:

Units of measurement: °C / °F