Lisbon · Portugal
August
Hottest and most crowded month — remarkable weather but the city feels overwhelmed.
Worth considering
#12 of 12 months
There are better months for Lisbon — see the full ranking below.
See when to go instead →Climate
High
26.5°C
Low
18.9°C
Rain
3mm
Sun
12.6hrs/day
30-year climate normals · Open Meteo ERA5
How August scores in Lisbon
Weather
Excellent
Value
Below average
Crowds
Low
Events
Above average
Atmosphere
Above average
What you gain in August
- ↑Warmest sea temperatures of the year — beaches near Setúbal exceptional
- ↑Reliably perfect weather for outdoor exploration
- ↑Long days: sunrise before 7am, sunset after 20:30
What you sacrifice
- ↓Tourist numbers at absolute peak — viewpoints require patience and early starts
- ↓Many Lisbon residents on holiday, reducing the local atmosphere significantly
- ↓Prices match July: no bargains available anywhere central
How August compares to June (best month)
| Factor | August | June ★ |
|---|---|---|
| Weather | 8 | 9 |
| Value | 3 | 4 |
| Crowds | 2 | 4 |
August in other destinations
Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Lisbon, not across destinations. Methodology →