Lisbon in Summer — Weather & What to Expect
Summer in Lisbon (June, July, August) averages daytime highs of 27.5°C and lows of 17.7°C, with around 18.3mm of rain across the season (4 rainy days in total). It includes some of the best months of the year to visit (June, July, August).
In the northern hemisphere, summer in Lisbon covers June, July, August.
Summer in Lisbon month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| June | 25.0°C | 16.4°C | 16.8mm | 4 | 10/10 |
| July | 29.1°C | 18.2°C | 0.3mm | 0 | 10/10 |
| August | 28.3°C | 18.4°C | 1.2mm | 0 | 10/10 |
What to pack for Lisbon in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Frequently Asked Questions
Is summer a good time to visit Lisbon?
Summer in Lisbon rates around 10/10 — excellent time to visit. Average highs are 27.5°C with 18.3mm of rain across the season.
How hot is Lisbon in summer?
Daytime highs average 27.5°C (81.5°F) across June, July, August, with nights around 17.7°C.
What months are summer in Lisbon?
Lisbon is in the northern hemisphere, so summer covers June, July, August.
See also: best time to visit Lisbon · Lisbon annual climate · Lisbon in spring · Lisbon in autumn · Lisbon in winter
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Once you know what summer in Lisbon looks like, find out exactly what to pack for Lisbon at 247PackingList. For currency, language and country facts, see the Portugal guide at 247CountryInfo.
Summer in Lisbon — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Portugal at 247Sizing before you shop.
More summer travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.