☀️ Yes! Average temperature: 26°C
Yes! Average temperatures of 26°C make it pleasantly warm and ideal for sun-seekers. Lisbon in August has an average air temperature of 26°C with sea temperatures around 20°C. You can expect 12 hours of sunshine per day and 5mm of rainfall, which means virtually no rain — bone-dry conditions.
The sea is 20°C — refreshing but swimmable, especially on sunny days. With 12 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Bring summer clothes, sunscreen, sunglasses, and a light cardigan for air-conditioned venues.
Lisbon is one of the top warm destinations for August holidays from the UK. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.
Here's how Lisbon stacks up against similar destinations in August:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Lisbon | 26°C | 20°C | 5mm | 12h |
| Côte d'Azur | 26°C | 25°C | 20mm | 11h |
| Fiji | 26°C | 26°C | 60mm | 7h |
| Zanzibar | 26°C | 25°C | 25mm | 8h |
| Amalfi Coast | 27°C | 27°C | 15mm | 10h |
| Bali | 27°C | 27°C | 30mm | 9h |
See how Lisbon's temperature changes throughout the year:
Looking for somewhere warm in August? These destinations are all 25°C+:
Yes, Lisbon in August has average temperatures of 26°C, making it a warm destination. Sea temperatures are 20°C.
The sea at 20°C is refreshing but swimmable.
Bring summer clothes, sunscreen, sunglasses, and a light cardigan for air-conditioned venues.
August is an excellent time to visit Lisbon with warm weather and 12 hours of daily sunshine.
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