Lisbon in August
sweet spot busy · 5th of the 12 months that clear the bar · the warmest month of the year
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The numbers
| Daily high | 27°C |
|---|---|
| Nightly low | 18°C |
| Feels like, afternoon | 25°C |
| Rainy days | 0 · 5 mm |
| Humidity | 72% |
| Sunshine | 12.4 h/day |
| Daylight | 13.4 h/day |
| Days over 35°C | 0 |
| Crowds | 65 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 2 mm.
Public holidays in August
Holidays crowd a place out and push fares up around them; they count toward the crowd score above.
What August is known for
- Peak season — Ideal summer weather, high demand among tourists.
Written by a language model from the climate figures; the numbers above are measured and win where the two disagree.
What to pack
- Summer clothes by day, highs around 27°C.
- Sun protection: about 12 hours of sunshine a day.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
| Cost of living | moderate — prices run about 60% of the United States' (World Bank, 2025) |
|---|---|
| Currency | Q4916 |
| Languages | Portuguese |
| Plugs | Type C and F, 230 V |
| Driving | On the right |
| Emergency | 112 |
| Calling code | +351 |
| Travel advice | No advice against travel — UK Foreign Office, updated 2026-08-11 |
Health. Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Dial 112 and ask for an ambulance. Contact your insurance or medical assistance company quickly if you’re referred to … More.
Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-09-23. The advisory is written for British travellers; entry rules depend on your passport.
The other months at Lisbon
- January ok
- February good
- March good
- April good
- May sweet spot
- June sweet spot
- July sweet spot
- August
- September sweet spot
- October good
- November ok
- December ok
← July · All twelve months at Lisbon · September →
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