Cascais Weather in July
Cascais in July averages 22°C (72°F) during the day and 18°C (64°F) at night. This is the driest month of the year.
Rainfall in Cascais in July
July is the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans. Based on our climate data of the past 30 years, about 2 days of rain are anticipated, with 3.1 mm (0.1 in) on average. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Cascais in July
The temperature in Cascais in July is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 18°C (64°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Cascais in July
Expect sunny days throughout the month, with an estimated 385 hours of sunshine. This makes it a pleasant time to visit Cascais.If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Cascais's climate page.
Cascais Temperature in July
Min Temperature
18°C (64°F)
Max Temperature
22°C (72°F)
Chance of Rain
7%
Precipitation
3.1 mm (0.1 in)
Rainy days
2 days
Humidity
71%
Sunshine
385 hours
Percentage Sunshine
85%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cascais typically stay consistent throughout July, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows around 17°C (63°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Cascais in July
Browse day-by-day weather records for Cascais spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cascais historical weather extremes in July
According to our 49 years of weather records for Cascais, the following extremes were recorded between 1976 and 2025.
- Cascais recorded its highest July temperature of 41°C (106°F) on July 23, 1995.
- Cascais experienced its chilliest July day on July 4, 1982, reaching only 19°C (66°F).
- The coldest night in July in Cascais was on July 7, 1988, with a minimum of 12°C (54°F).
Best Places in Portugal in July
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in July →
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What to Wear in Cascais in July
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cascais in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Cascais's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cascais climate overview or explore weather in Portugal.
