Average temperatures, rainfall and packing tips for Lisbon, Portugal in August
August in Lisbon is typically hot, with average daytime highs around 29°C and nights near 19°C. It is one of the warmer months of Lisbon's year.
August is essentially dry in Lisbon - rainfall is negligible on average and it is typically the driest month of the year.
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In August, Lisbon averages a daytime high of about 29°C and a night-time low of around 19°C, based on recent historical data.
August is essentially dry in Lisbon - rainfall is negligible on average and it is typically the driest month of the year.
August is one of the most comfortable months to visit Lisbon - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.