Current sea water temperature:
+67.8°F
| Minimum sea water temperature in August: | 75.4°F |
| Maximum sea water temperature in August: | 61.7°F |
| Average sea water temperature in August: | 68.2°F |
| more information | |
14 days
forecast
forecast
| Portimao |
monthly
weather
weather
| Portimao |
Sea water temperature for the last 10 days:
| August 25 | 67.8°F | August 20 | 69.8°F |
| August 24 | 67.8°F | August 19 | 68.5°F |
| August 23 | 66.9°F | August 18 | 68.7°F |
| August 22 | 68.2°F | August 17 | 66.9°F |
| August 21 | 70.0°F | August 16 | 67.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Portimao?
Based on the data about daily sea water temperature for the last three years the warmest sea in Portimao was noticed in September, August and October.
Monthly Sea Temperatures in Portimao, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 67.6°F and 61.9°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 70.0°F and 64.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 69.6°F and 64.9°F.
current
weather
weather
| Portimao |
weather in
August
August
| Portimao |
Best time for vacation in Portimao
Portimao on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Portimao
Local time: 22:01
August 26, wednesday
0000
64°F
SE
4 mph
4 mph
0300
64°F
E
3 mph
3 mph
0600
63°F
E
2 mph
2 mph
0900
70°F
NE
7 mph
7 mph
1200
75°F
NE
11 mph
11 mph
1500
73°F
NE
13 mph
13 mph
1800
75°F
E
10 mph
10 mph
2100
64°F
E
6 mph
6 mph
