Cascais
August
Weather in Cascais for August 2025
Your guide to Cascais weather in August - trends and predictions
In general, the average temperature in Cascais at the beginning of August is 23.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.6 °C by the end of August.
Precipitation in Cascais during August is a rare event, with an average of fewer than 2 rainy days.
Is August a good time to visit Cascais? check out the best time to travel to Cascais page.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
23°/18°
Temperatures
32 km/h
Avg max wind
79 %
Avg humidity
Cascais in August average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3 23° | ||||
| 4  23° | 5 24° | 6 25° | 7 24° | 8  23° | 9 24° | 10 24° |
| 11 24° | 12 23° | 13 22° | 14 22° | 15  23° | 16 24° | 17 24° |
| 18 23° | 19 24° | 20 24° | 21 24° | 22 24° | 23 25° | 24 25° |
| 25 22° | 26 22° | 27 22° | 28 22° | 29 21° | 30 21° | 31 21° |
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Temperatures trend during August in Cascais
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Partly cloudy | 24° /19° | 0 mm | 7 | |
| 2 Aug. | Patchy rain possible | 22° /18° | 0.1 mm | 6 | |
| 3 Aug. | Partly cloudy | 23° /18° | 0 mm | 6 | |
| 4 Aug. | Sunny | 23° /17° | 0 mm | 6 | |
| 5 Aug. | Sunny | 24° /18° | 0 mm | 7 | |
| 6 Aug. | Sunny | 25° /18° | 0.1 mm | 6 | |
| 7 Aug. | Sunny | 24° /19° | 0 mm | 7 | |
| 8 Aug. | Cloudy | 23° /18° | 0 mm | 5 | |
| 9 Aug. | Partly cloudy | 24° /18° | 0 mm | 6 | |
| 10 Aug. | Sunny | 24° /18° | 0 mm | 6 | |
| 11 Aug. | Sunny | 24° /18° | 0 mm | 6 | |
| 12 Aug. | Partly cloudy | 23° /18° | 0 mm | 6 | |
| 13 Aug. | Sunny | 22° /18° | 0 mm | 6 | |
| 14 Aug. | Sunny | 22° /17° | 0.1 mm | 6 | |
| 15 Aug. | Overcast | 23° /17° | 0 mm | 6 | |
| 16 Aug. | Sunny | 24° /18° | 0 mm | 7 | |
| 17 Aug. | Partly cloudy | 24° /18° | 0 mm | 6 | |
| 18 Aug. | Partly cloudy | 23° /19° | 0 mm | 6 | |
| 19 Aug. | Partly cloudy | 24° /18° | 0 mm | 7 | |
| 20 Aug. | Sunny | 24° /18° | 0 mm | 6 | |
| 21 Aug. | Sunny | 24° /18° | 0 mm | 6 | |
| 22 Aug. | Sunny | 24° /18° | 0.1 mm | 6 | |
| 23 Aug. | Sunny | 25° /19° | 0 mm | 6 | |
| 24 Aug. | Sunny | 25° /18° | 0 mm | 7 | |
| 25 Aug. | Partly cloudy | 22° /18° | 0 mm | 6 | |
| 26 Aug. | Sunny | 22° /17° | 0 mm | 6 | |
| 27 Aug. | Sunny | 22° /17° | 0 mm | 6 | |
| 28 Aug. | Sunny | 22° /16° | 0 mm | 6 | |
| 29 Aug. | Sunny | 21° /18° | 0 mm | 6 | |
| 30 Aug. | Sunny | 21° /18° | 0 mm | 6 | |
| 31 Aug. | Overcast | 21° /18° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for Cascais 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 Cascais forecast closer to your planned date for the most up-to-date weather information.
Cascais in August - FAQ
What are the expected maximum and minimum temperatures in Cascais during August?
During August, expect a variety of temperatures with highs around 23° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cascais during August?
Rainfall in Cascais 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 Cascais during August?
The average wind speed in Cascais during August is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cascais in August?
As you prepare for your trip to Cascais 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 Cascais, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
August rainfall patterns in Cascais
Explore the daily rainfall trends and prepare for Cascaiss August weather 💧
UV exposure in Cascais during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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