Lisbon Weather in August
Portugal · August climate averages and travel tips
Avg high23°C (74°F)
Avg low18°C (65°F)
Rainfall4 mm (0.2 in)
RatingExcellent 10/10
Lisbon in August sees daytime temperatures around 23°C (74°F), dropping to about 18°C (65°F) at night. August is summer in Portugal. The month is very dry, with about 4 mm (0.2 in) of rain spread over 1 day, one of the driest months of the year. You get roughly 13.5 hours of daylight and a mix of sun and cloud.
Is August a good time to visit Lisbon?
Yes — August is one of the best months to visit Lisbon. The weather rates excellent (10/10) on our comfort score.
August weather at a glance
| Average high | 23°C (74°F) |
|---|---|
| Average low | 18°C (65°F) |
| Daily mean | 20°C (69°F) |
| Rainfall | 4 mm (0.2 in) |
| Rainy days (1 mm+) | 1 |
| Humidity | 81% |
| Cloud cover | 42% |
| Daylight | 13.5 hours |
| Est. sunshine | 8.6 hours/day |
| Wind | 16.6 km/h |
| vs July | 1°C warmer than July, with similar rainfall. |
What to pack for Lisbon in August
- T-shirts plus a light layer for the evening
Lisbon weather in other months
Jan15°C / 11°C56 mmGoodFeb15°C / 11°C49 mmExcellentMar16°C / 12°C57 mmExcellentApr17°C / 13°C53 mmExcellentMay20°C / 15°C28 mmExcellentJun21°C / 17°C12 mmExcellentJul23°C / 18°C3 mmExcellentAug23°C / 18°C4 mmExcellentSep23°C / 18°C24 mmExcellentOct21°C / 17°C72 mmExcellentNov18°C / 14°C86 mmGoodDec16°C / 12°C66 mmGood
← JulyBest time to visit LisbonSeptember →
Nearby in August
- Faro28°C · 3 mm
- Porto25°C · 15 mm
- Seville38°C · 3 mm
- Gibraltar27°C · 3 mm
- Tangier27°C · 3 mm
- Marbella30°C · 3 mm
Where else is good in August? See where to go in August.