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Weather in Cascais for July 2026

Your guide to Cascais weather in July - trends and predictions

    Temperatures

  • Until now, July 2026 in Cascais has been nearly identical to the historical average, with a temperature of 23.2 °C (showing only a slight deviation of 0.5 °C).

  • The forecast for the next days in Cascais predicts temperatures to be around 23 °C, close to the historical average.

  • In general, the average temperature in Cascais at the beginning of July is 23.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 23.9 °C by the end of July.

    • Rain 🌧️

  • Precipitation in Cascais during July is a rare event, with an average of fewer than 2 rainy days.

    • More

  • Is July a good time to visit Cascais? check out the best time to travel to Cascais page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/18°
Temperatures
Average wind speed
29 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Cascais Weather July

Move between months or click on a day
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
23°
2
Sunny
25°
3
Sunny
25°
4
Sunny
24°
5
Sunny
23°
6
Sunny
22°
7
Sunny
22°
8
Partly cloudy
22°
9
Sunny
21°
10
Sunny
23°
11
Partly cloudy
22°
12
Patchy rain possible
22°
13
Sunny
22°
14
Sunny
22°
15
Patchy rain possible
23°
16
Partly cloudy
22°
17
Sunny
23°
18
Sunny
23°
19
Sunny
23°
20
Sunny
22°
21
Sunny
23°
22
Sunny
23°
23
Sunny
24°
24
Sunny
23°
25
Sunny
22°
26
Sunny
22°
27
Sunny
22°
28
Sunny
24°
29
Sunny
26°
30
Sunny
26°
31
Sunny
25°

Temperatures trend during July in Cascais

See the weather trend as well as the moving average line

July weather in Cascais day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
1 Jul. Sunny
Sunny
 23° /17° 0 mm 8
2 Jul. Sunny
Sunny
 25° /18° 0 mm 8
3 Jul. Sunny
Sunny
 25° /18° 0 mm 8
4 Jul. Sunny
Sunny
 24° /17° 0 mm 8
5 Jul. Sunny
Sunny
 23° /18° 0 mm 7
6 Jul. Sunny
Sunny
 22° /17° 0 mm 7
7 Jul. Sunny
Sunny
 22° /17° 0 mm 7
8 Jul. Partly cloudy
Partly cloudy
 22° /17° 0.1 mm 7
9 Jul. Sunny
Sunny
 21° /17° 0 mm 7
10 Jul. Sunny
Sunny
 23° /17° 0 mm 7
11 Jul. Partly cloudy
Partly cloudy
 22° /17° 0.1 mm 7
12 Jul. Patchy rain possible
Patchy rain possible
 22° /17° 0.2 mm 7
13 Jul. Sunny
Sunny
 22° /17° 0 mm 7
14 Jul. Sunny
Sunny
 22° /17° 0 mm 8
15 Jul. Patchy rain possible
Patchy rain possible
 23° /17° 0.2 mm 7
16 Jul. Partly cloudy
Partly cloudy
 22° /17° 0 mm 7
17 Jul. Sunny
Sunny
 23° /17° 0 mm 7
18 Jul. Sunny
Sunny
 23° /17° 0.1 mm 8
19 Jul. Sunny
Sunny
 23° /18° 0 mm 8
20 Jul. Sunny
Sunny
 22° /19° 0 mm 9
21 Jul. Sunny
Sunny
 23° /19° 0 mm 8.9
22 Jul. Sunny
Sunny
 23° /19° 0 mm 9.2
23 Jul. Sunny
Sunny
 24° /19° 0 mm 9.6
24 Jul. Sunny
Sunny
 23° /19° 0 mm 9
25 Jul. Sunny
Sunny
 22° /19° 0 mm 6
26 Jul. Sunny
Sunny
 22° /19° 0 mm 6
27 Jul. Sunny
Sunny
 22° /19° 0 mm 6
28 Jul. Sunny
Sunny
 24° /19° 0 mm 6
29 Jul. Sunny
Sunny
 26° /21° 0 mm 7
30 Jul. Sunny
Sunny
 26° /20° 0 mm 7
31 Jul. Sunny
Sunny
 25° /20° 0 mm 6
Next
Important Notice
Our weather forecast for Cascais in July 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.
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Cascais weather in July vs June vs August

Compare July weather in Cascais with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
JuneJulyAugust
WeatherSunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temperatures21°/17°23°/18°23°/18°
Rainfall16 mm2 mm0 mm
Wind28.2 km/h28.6 km/h30 km/h
Humidity78%78%79%
Rainy days6 days1 days0 days
Dry days24 days30 days31 days

Planning a trip to Cascais? Discover the best time to visit

Cascais in July - FAQ

What are the expected maximum and minimum temperatures in Cascais during July?
During July, 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 July?
Rainfall in Cascais during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 July?
The average wind speed in Cascais during July is 29 km/h, suggesting breezy to windy conditions, depending on your activities.

Cascais water temperatures in July

The average water temperature of the Atlantic Ocean near Cascais in July is 17.1 °C. At the beginning of July temperatures are around 17.1 °C; by the end of the month they stay fairly steady and reach 17 °C.

What is the water temperature in Cascais in July?
The average water temperature in Cascais in July is 17.1 °C.
Can you swim in Cascais in July?
Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.

UV exposure in Cascais during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

What to pack to Cascais in July?

⛅ Mild · highs around 23 °C, mostly dry

As you prepare for your trip to Cascais in July, 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 July, is comfortable and enjoyable, regardless of the weather conditions.

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Get accurate weather forecasts for Cascais, located at latitude 38.697 and longitude -9.421. Stay updated with localized weather information tailored for Cascais.

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