Swimming in Lisbon in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Lisbon in august 2025.
In august, according to seasonal norms, the sea temperature in Lisbon is:
Minimum: 63°F
Average: 68°F
Maximum: 72°F
Other useful seasonal weather averages in august:
- Outside temperature: 65°F to 82°F
- Most common weather: "Clear/Sunny"
- The wind blows at 11.2mph
- It rains a total of 0.3in, over 0 day(s).
Should we swim in Lisbon in august?
Yes... and no. The water temperature in Lisbon in august is cool
Swimming in august on the beaches of Lisbon is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 72°F, it can also be as low as 63°F! Note that the average is 68°F.
Note also that in august, the climate is perfect with an average outside temperature of 73°F, 0.3in of precipitation (over 0 days) and 84.85 % humidity.
Water and normal seasonal temperatures in Lisbon in august
| August | |||
| Average sea temperature | 68°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 72°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 65°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 65°F | ||
| Precipitation | 0.3in | ||
| Number of days of rain | 0 jour(s) (1%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.64km | ||
| Cloud cover | 13% | ||
| Our opinion | cool swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Lisbon
Swim elsewhere in Portugal in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Albufeira in august | 71°F | 74°F | pleasant swimming | Aveiro in august | 64°F | 68°F | cool swimming | Faro (Algarve) in august | 72°F | 75°F | pleasant swimming | Lagos in august | 70°F | 74°F | cool swimming | Porto in august | 64°F | 68°F | cool swimming | Viana do Castelo in august | 65°F | 68°F | cool swimming | Cascais in august | 68°F | 72°F | cool swimming | Portimao in august | 70°F | 74°F | cool swimming | Praia de Mira in august | 66°F | 70°F | cool swimming | Sines in august | 68°F | 73°F | cool swimming | Caminha in august | 65°F | 68°F | cool swimming | Carvoeiro in august | 72°F | 74°F | pleasant swimming | Costa da Caparica in august | 67°F | 72°F | cool swimming | Foz do Arelho in august | 67°F | 72°F | cool swimming | Praia da Rocha in august | 70°F | 74°F | cool swimming | Ericeira in august | 68°F | 73°F | cool swimming | Estoril in august | 67°F | 72°F | cool swimming | Monte Gordo in august | 73°F | 75°F | pleasant swimming | Nazaré in august | 67°F | 72°F | cool swimming | Olhao in august | 72°F | 75°F | pleasant swimming |