Current sea water temperature:
+69.4°F
| Minimum sea water temperature in July: | 75.6°F |
| Maximum sea water temperature in July: | 60.1°F |
| Average sea water temperature in July: | 67.4°F |
| more information | |
14 days
forecast
forecast
| Portimao |
monthly
weather
weather
| Portimao |
Sea water temperature for the last 10 days:
| July 16 | 69.4°F | July 11 | 71.1°F |
| July 15 | 71.1°F | July 10 | 71.4°F |
| July 14 | 72.0°F | July 9 | 73.2°F |
| July 13 | 72.0°F | July 8 | 73.2°F |
| July 12 | 71.6°F | July 7 | 73.2°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
July
July
| Portimao |
Best time for vacation in Portimao
Portimao on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Portimao
Local time: 12:56
July 16, thursday
1500

84°F
SE
14 mph
14 mph
1800

81°F
SE
16 mph
16 mph
2100

70°F
SE
14 mph
14 mph
July 17, friday
0000

66°F
SE
10 mph
10 mph
0300

66°F
S
9 mph
9 mph
0600

64°F
S
7 mph
7 mph
0900

72°F
S
9 mph
9 mph
1200

81°F
SE
6 mph
6 mph


























