Current sea water temperature:
+61.5°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 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 |
| December 11 | 61.5°F | December 6 | 61.5°F |
| December 10 | 61.3°F | December 5 | 62.1°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:
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: 02:26
December 15, monday
0300
55°F
S
4 mph
4 mph
0600
54°F
SW
2 mph
2 mph
0900
54°F
NW
2 mph
2 mph
1200
59°F
N
4 mph
4 mph
1500
61°F
NE
11 mph
11 mph
1800
59°F
NE
17 mph
17 mph
2100
57°F
E
15 mph
15 mph
December 16, tuesday
0000
54°F
SE
19 mph
19 mph
