Current sea water temperature:
+60.1°F
| Minimum sea water temperature in April: | 65.8°F |
| Maximum sea water temperature in April: | 56.8°F |
| Average sea water temperature in April: | 60.2°F |
| more information | |
14 days
forecast
forecast
| Lisbon |
monthly
weather
weather
| Lisbon |
Sea water temperature for the last 10 days:
| April 8 | 60.1°F | April 3 | 60.3°F |
| April 7 | 60.4°F | April 2 | 60.1°F |
| April 6 | 61.3°F | April 1 | 59.7°F |
| April 5 | 60.8°F | March 31 | 59.5°F |
| April 4 | 61.0°F | March 30 | 60.1°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
April
April
| Lisbon |
Best time for vacation in Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 10:00
April 08, wednesday
1200
57°F
NW
12 mph
12 mph
1500
61°F
NW
7 mph
7 mph
1800
59°F
W
8 mph
8 mph
2100
55°F
SW
5 mph
5 mph
April 09, thursday
0000
54°F
SW
7 mph
7 mph
0300
52°F
SW
7 mph
7 mph
0600
50°F
SW
9 mph
9 mph
0900
54°F
SW
10 mph
10 mph
