ClimaGo › Lisbon › Weather in August
Portugal
August remains hot and crowded at 29°C with virtually no rain, best spent on island day trips to Setúbal or the Portuguese Riviera beaches where ocean breezes provide relief from heat.
Avg High
28°C
Avg Low
18°C
Daily Rain
0mm
Rainfall
None
✅ August is one of the best months to visit Lisbon!
Explore pastel-colored neighborhoods, historic azulejo tiles, and golden riverside views while riding vintage trams through Portugal's charming hillside capital.