Current sea water temperature:
+61.0°F
| Minimum sea water temperature in December: | 66.2°F |
| Maximum sea water temperature in December: | 57.2°F |
| Average sea water temperature in December: | 62.1°F |
| more information | |
14 days
forecast
forecast
| Portimao |
monthly
weather
weather
| Portimao |
Sea water temperature for the last 10 days:
| December 16 | 61.0°F | December 11 | 61.5°F |
| December 15 | 61.3°F | December 10 | 61.3°F |
| December 14 | 61.5°F | December 9 | 61.5°F |
| December 13 | 61.7°F | December 8 | 61.5°F |
| December 12 | 61.5°F | December 7 | 61.3°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
December
December
| Portimao |
Best time for vacation in Portimao
Portimao on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Portimao
Local time: 13:59
December 16, tuesday
1500
55°F
SE
32 mph
32 mph
1800
55°F
SE
30 mph
30 mph
2100
55°F
S
27 mph
27 mph
December 17, wednesday
0000
55°F
S
21 mph
21 mph
0300
54°F
S
17 mph
17 mph
0600
52°F
S
12 mph
12 mph
0900
50°F
S
13 mph
13 mph
1200
57°F
S
12 mph
12 mph
