Current sea water temperature:
+71.4°F
| Minimum sea water temperature in July: | 73.6°F |
| Maximum sea water temperature in July: | 61.0°F |
| Average sea water temperature in July: | 67.0°F |
| more information | |
14 days
forecast
forecast
| Lisbon |
monthly
weather
weather
| Lisbon |
Sea water temperature for the last 10 days:
| July 20 | 71.4°F | July 15 | 70.2°F |
| July 19 | 71.1°F | July 14 | 70.3°F |
| July 18 | 71.8°F | July 13 | 69.8°F |
| July 17 | 70.9°F | July 12 | 69.3°F |
| July 16 | 69.3°F | July 11 | 70.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Lisbon?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lisbon was noticed in August, July and September.
Monthly Sea Temperatures in Lisbon, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 72.5°F and 68.2°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 73.6°F and 69.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.9°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.0°F.
current
weather
weather
| Lisbon |
weather in
July
July
| Lisbon |
Best time for vacation in Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 04:28
July 21, tuesday
0600
66°F
E
3 mph
3 mph
0900
70°F
E
3 mph
3 mph
1200
75°F
E
6 mph
6 mph
1500
81°F
E
11 mph
11 mph
1800
79°F
E
12 mph
12 mph
2100
72°F
SE
9 mph
9 mph
July 22, wednesday
0000
70°F
SE
7 mph
7 mph
0300
68°F
SE
3 mph
3 mph
