Current sea water temperature:
+67.3°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 5 | 67.3°F | July 31 | 65.5°F |
| August 4 | 66.6°F | July 30 | 64.4°F |
| August 3 | 66.9°F | July 29 | 64.0°F |
| August 2 | 66.6°F | July 28 | 63.7°F |
| August 1 | 65.8°F | July 27 | 62.4°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.6°F. The highest and lowest sea temperatures during the month were 75.4°F and 66.7°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: 17:17
August 05, wednesday
1800
79°F
SE
16 mph
16 mph
2100
70°F
SE
14 mph
14 mph
August 06, thursday
0000
66°F
SE
12 mph
12 mph
0300
64°F
S
9 mph
9 mph
0600
63°F
S
9 mph
9 mph
0900
72°F
S
11 mph
11 mph
1200
82°F
SE
6 mph
6 mph
1500
86°F
SE
16 mph
16 mph
