Current sea water temperature:
+62.1°F
| Minimum sea water temperature in May: | 71.2°F |
| Maximum sea water temperature in May: | 60.1°F |
| Average sea water temperature in May: | 64.3°F |
| more information | |
14 days
forecast
forecast
| Algarve |
monthly
weather
weather
| Algarve |
Sea water temperature for the last 10 days:
| May 16 | 62.1°F | May 11 | 61.9°F |
| May 15 | 62.6°F | May 10 | 61.9°F |
| May 14 | 63.5°F | May 9 | 62.2°F |
| May 13 | 63.0°F | May 8 | 61.3°F |
| May 12 | 62.6°F | May 7 | 61.9°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
May
May
| Algarve |
Best time for vacation in Algarve
Algarve on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Algarve
Local time: 02:39
May 17, sunday
0300
57°F
S
11 mph
11 mph
0600
57°F
S
15 mph
15 mph
0900
61°F
SE
10 mph
10 mph
1200
66°F
E
9 mph
9 mph
1500
68°F
E
14 mph
14 mph
1800
70°F
SE
22 mph
22 mph
2100
63°F
SE
19 mph
19 mph
May 18, monday
0000
59°F
SE
17 mph
17 mph
