Temperatures in July
It's warm in July in Cascais with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 17°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cascais in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in Cascais with hot temperatures, averaging around 28°C during the day and nights close to 19°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-July
By mid-July, the average daytime temperature rises to around 29°C, with nights close to 19°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of July
By the end of July, the average daytime temperature in Cascais will be around 28°C, with nights close to 19°C. No precipitation expected, with plenty of sunshine on the horizon.
As it gets cooler in the evening, it’s best to wear layers.
Discover cheap trips to Cascais 
Water temperature
The water temperature at Cascais is 17°C this month. You can swim, but it's a bit on the chilly side.
Precipitation in July
According to weather history, there is only 1,8 mm of precipitation in July. The wind speed is around 4 Bft, mostly coming from the Northwest.
The average chance of precipitation is only 3% in July.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for Cascais. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Cascais in July |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 23°C | |
 High Temp |
30°C | 27°C | |
| Low Temp |
25°C | 21°C | |
 Total Precipitation |
1,8 mm | 52 mm | |
| Rainy Days |
1 day | 9 days | |
June
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit Cascais?
Want nice weather? Then July is a great time to be in Cascais. You’ll have pleasant temperatures and little chance of rain this month.
Temperature records for Cascais in July
With 39°C, Cascais hit the highest temperature in the last 10 years in July 2022. The lowest daytime temperature in this month was 21°C in 2021. The extreme night temperatures ranged from a low of 14°C to a high of 27°C.
Check out the climate of Cascais for all months and discover the best travel time
Curious about the climate in other parts of Portugal? Check out the weather and climate in places like Algarve, Lisbon, Albufeira, or have a look at other destinations in Portugal.
Plan your next holiday
Don’t miss the best holiday deals for Cascais and see what our partners have for you.
Daily Temperature in July in Cascais
This chart shows the average daily temperatures, both day and night, for each day in July in Cascais, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Cascais
The chart below shows the average daily precipitation in July for Cascais, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect about 1 day of rain in Cascais.
Daily UV Index in July in Cascais
This chart shows the average daily UV index in July in Cascais, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in Cascais Over the Years
This chart shows the average temperature in July in Cascais, measured in degrees Celsius, over the past years.
Total Precipitation in July in Cascais Over the Years
This chart shows the average precipitation in July in Cascais, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for Cascais
Click on a specific day in July for detailed info on the typical weather on that day in Cascais. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Cascais
The weather in July in Cascais is rated 0 out of 5 stars by 1 visitor. Have you been to Cascais? Share your weather experience to help other visitors.
Have you been to Cascais in July?
Share your weather experience in July in Cascais.
Average Weather in Cascais by Month
Click on a month below to see detailed weather info for Cascais. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
