Lisbon
August
Weather in Lisbon for August 2026
Your guide to Lisbon weather in August - trends and predictions
In general, the average temperature in Lisbon at the beginning of August is 28.1 °C. As the month progressed, temperatures tended to noticeably 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.
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Temperatures
Rain 🌧️
More
31
Dry days
0
Rainy days
0
Snow days
27°/18°
Temperatures
25 km/h
Avg max wind
66 %
Avg humidity
Lisbon Weather August
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What’s the Weather Like in Lisbon This August?
Discover the average temperatures and weather trends across Lisbon’s cities this August.
Temperatures trend during August in Lisbon
See the weather trend as well as the moving average line
August weather in Lisbon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 28° /18° | 0 mm | 7 | |
| 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 | |||||
Important Notice
Our weather forecast for Lisbon in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lisbon forecast closer to your planned date for the most up-to-date weather information.
Change Month
Lisbon weather in August vs July vs September
Compare August weather in Lisbon with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| July | August | September | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 28°/17° | 27°/18° | 25°/17° |
| Rainfall | 2 mm | 0 mm | 50 mm |
| Wind | 25.1 km/h | 25.1 km/h | 21.6 km/h |
| Humidity | 63% | 66% | 68% |
| Rainy days | 1 days | 0 days | 13 days |
| Dry days | 30 days | 31 days | 17 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?
During August, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lisbon during August?
Rainfall in Lisbon during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Lisbon during August?
The average wind speed in Lisbon during August is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Lisbon in August?
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
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
UV exposure in Lisbon during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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