Lisbon weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Lisbon August weather at a glance
In August, Lisbon averages 23.3°C, with typical highs of 30°C and lows of 18.8°C. The historical average is 0 wet days and 65% humidity.
Lisbon August temperature & humidity
Lisbon August rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Lisbon in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. The typical day-to-night swing is about 11°C, so bring an extra layer.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 30°C
- Morning & eveningLight layer for air-conditioned rooms · average low 18.8°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Lisbon August sunrise & sunset times
2026 August · Local time (Europe/Lisbon)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 06:38 | 20:47 | 14h 10m |
| 2026-08-15 | 06:50 | 20:31 | 13h 41m |
| 2026-08-31 | 07:05 | 20:08 | 13h 4m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Lisbon travel updates
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Today’s weather and forecast
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Lisbon travel essentials
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Best months to visit Lisbon
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Lisbon weather like in August?
In August, Lisbon averages 23.3°C, with typical highs of 30°C and lows of 18.8°C. The historical average is 0 wet days and 65% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Lisbon in August?
There are about 0 wet days in August. A compact umbrella is still useful.
What should I wear in Lisbon in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. The typical day-to-night swing is about 11°C, so bring an extra layer.
What are the best months to visit Lisbon?
Recent weather data rates February, May, June, July among the more comfortable months.
Where can I check Lisbon weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Lisbon in August?
On 2026-08-15, calculated sunrise is 06:50 and sunset is 20:31 in local time (Europe/Lisbon). Times vary by date and terrain.
Lisbon weather by month
More Europe destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations