Current sea water temperature:
+61.7°F
| Minimum sea water temperature in December: | 66.9°F |
| Maximum sea water temperature in December: | 58.3°F |
| Average sea water temperature in December: | 63.0°F |
| more information | |
14 days
forecast
forecast
| Algarve |
monthly
weather
weather
| Algarve |
Sea water temperature for the last 10 days:
| December 14 | 61.7°F | December 9 | 61.9°F |
| December 13 | 62.4°F | December 8 | 61.9°F |
| December 12 | 62.2°F | December 7 | 62.4°F |
| December 11 | 62.1°F | December 6 | 61.9°F |
| December 10 | 62.1°F | December 5 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Algarve?
Based on the data about daily sea water temperature for the last three years the warmest sea in Algarve was noticed in August, September and July.
Monthly Sea Temperatures in Algarve, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.4°F. The highest and lowest sea temperatures during the month were 78.1°F and 67.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.0°F. The highest and lowest sea temperatures during the month were 69.1°F and 64.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.4°F. The highest and lowest sea temperatures during the month were 76.8°F and 64.9°F.
current
weather
weather
| Algarve |
weather in
December
December
| Algarve |
Best time for vacation in Algarve
Algarve on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Algarve
Local time: 02:26
December 15, monday
0300
57°F
SW
4 mph
4 mph
0600
55°F
SW
4 mph
4 mph
0900
55°F
SW
2 mph
2 mph
1200
59°F
NW
2 mph
2 mph
1500
61°F
NE
7 mph
7 mph
1800
61°F
NE
17 mph
17 mph
2100
57°F
E
20 mph
20 mph
December 16, tuesday
0000
52°F
SE
21 mph
21 mph
