Current sea water temperature:
+69.8°F
| Minimum sea water temperature in June: | 72.5°F |
| Maximum sea water temperature in June: | 59.9°F |
| Average sea water temperature in June: | 65.5°F |
| more information | |
14 days
forecast
forecast
| Lisbon |
monthly
weather
weather
| Lisbon |
Sea water temperature for the last 10 days:
| June 29 | 69.8°F | June 24 | 70.7°F |
| June 28 | 69.3°F | June 23 | 69.8°F |
| June 27 | 69.3°F | June 22 | 69.8°F |
| June 26 | 68.7°F | June 21 | 69.1°F |
| June 25 | 69.8°F | June 20 | 67.8°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 69.1°F. The highest and lowest sea temperatures during the month were 72.3°F and 65.5°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: 23:13
June 30, tuesday
0000
66°F
S
11 mph
11 mph
0300
64°F
S
7 mph
7 mph
0600
64°F
S
7 mph
7 mph
0900
70°F
S
6 mph
6 mph
1200
81°F
SE
6 mph
6 mph
1500
86°F
SE
14 mph
14 mph
1800
82°F
SE
16 mph
16 mph
2100
72°F
S
14 mph
14 mph
