Cascais
14 to 23°C
temperature
3176 hours
sunshine per day
131 mm
rain
284 days
dry
81 days
rain
0 days
snow

Climate of Cascais

Cascais has a mediterranean climate. The summers are hot and dry, and the temperature is mild in the winter. The average annual temperature for Cascais is 19° degrees and there is about 130 mm of rain in a year. It is dry for 255 days a year with an average humidity of 75% and an UV-index of 5.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 14°C and 23°C
  • Night:the average nighttime temperature is between 12°C and 19°C
  • Sea temperature: the sea temperature is between 16°C and 22°C
  • Rain: it rains 81 days and there is a total of approximately 131 mm rainfall
  • Sun hours: throughout the year there are 3176 sun hours
Maximum temperature: between 14°C and 23°C
Warmest month: 23°C in August
Coldest month: 14°C in February
Night temperature: between 12°C and 19°C
Sea temperature: between 16°C and 22°C
Dry days: 284 days
Days with rain: 81 days
Days with snow: 0 days
Total rain sum: 131 mm
Hours of sunshine: 3176 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Cascais.

Precipitation graph

This graph shows the average amount of rainfall per month for Cascais.

Climate table of Cascais

In this climate table you can see at a glance what the average weather per month is for Cascais. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Cascais might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 15 14 16 17 19 21 22 23 22 21 17 16
Night temp. (°C) 12 12 13 14 15 17 19 19 19 18 15 13
Water temp. (°C) 17 16 17 18 20 20 21 22 21 21 20 17
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 14 8 13 11 11 4 1 2 8 18 26 15
Days with rain 9 8 10 8 7 3 1 1 5 9 12 8
Dry days 22 20 21 22 24 27 30 30 25 22 18 23
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 8 8 9 11 11 12 11 9 7 6 6
Wind force (Bft) 4 4 4 3 4 4 4 4 3 3 4 4
UV-index 4 4 4 4 5 5 5 6 5 5 4 4

Best time to visit Cascais

The best time to visit Cascais in Portugal is from May through October. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Cascais is 23°C in August and the lowest is 14°C in February. The average water temperature is between 16°C and 22°C.

Climate of Cascais by month

What is the average climate in a given month for Cascais? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Cascais weather experiences

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