Weather in Lisbon for August 2026
In general, the average temperature in Lisbon at the beginning of August is 30 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26 °C by the end of August.
Precipitation in Lisbon during August is a rare event, with an average of fewer than 2 rainy days.
Is August a good time to visit Lisbon? check out the best time to travel to Lisbon page.
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Lisbon Weather August
What’s the Weather Like in Lisbon This August?
Temperatures trend during August in Lisbon
August weather in Lisbon day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 41° /26° | 0 mm | 10 | |
| 2 Aug. |  Partly cloudy | 28° /17° | 0 mm | 7 | |
| 3 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 4 Aug. | Sunny | 28° /18° | 0 mm | 7 | |
| 5 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 6 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 7 Aug. | Sunny | 28° /18° | 0 mm | 7 | |
| 8 Aug. | Sunny | 27° /17° | 0 mm | 7 | |
| 9 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 10 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 11 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 12 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 13 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 14 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 15 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 16 Aug. | Sunny | 29° /17° | 0 mm | 7 | |
| 17 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 18 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 19 Aug. | Sunny | 28° /18° | 0 mm | 7 | |
| 20 Aug. | Sunny | 28° /18° | 0 mm | 7 | |
| 21 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 22 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 23 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 24 Aug. | Sunny | 28° /18° | 0 mm | 7 | |
| 25 Aug. | Sunny | 27° /17° | 0 mm | 7 | |
| 26 Aug. | Sunny | 27° /16° | 0 mm | 7 | |
| 27 Aug. | Sunny | 26° /16° | 0 mm | 6 | |
| 28 Aug. | Sunny | 25° /16° | 0.2 mm | 7 | |
| 29 Aug. | Sunny | 25° /17° | 0 mm | 6 | |
| 30 Aug. | Partly cloudy | 26° /17° | 0 mm | 7 | |
| 31 Aug. |  Overcast | 26° /17° | 0 mm | 6 | |
| Next | |||||
Lisbon weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 28°/18° | 27°/18° | 25°/17° |
| Rainfall | 2 mm | 0 mm | 42 mm |
| Wind | 24.8 km/h | 24.7 km/h | 22.2 km/h |
| Humidity | 63% | 65% | 67% |
| Rainy days | 1 days | 0 days | 12 days |
| Dry days | 30 days | 31 days | 18 days |
Planning a trip to Lisbon? Discover the best time to visit
Lisbon in August - FAQ
What are the expected maximum and minimum temperatures in Lisbon during August?
How much rainfall should be expected in Lisbon during August?
What are the typical wind conditions in Lisbon during August?
UV exposure in Lisbon during August
What to pack to Lisbon in August?
Warm & sunny · highs around 27 °C, mostly dry
As you prepare for your trip to Lisbon in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Lisbon, during August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
🎒 Accessories
🧴 Personal Items
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Where is Lisbon?Get accurate weather forecasts for Lisbon, located at latitude 38.717 and longitude -9.133. Stay updated with localized weather information tailored for Lisbon.