Cascais
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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 excellent. 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.

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%

Cascais Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cascais - and find the best time to visit.

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 records 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 50 years of weather records for Cascais, the following extremes were recorded between 1976 and 2026.

  • 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Cascais 3-Day Forecast

More climate data for Cascais

Popular in July

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.