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The temperatures in Cascais in April are usually low and can range between 13°C and 19°C.
The wather in Cascais in April can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Cascais in April 2025.
If you’re planning to visit Cascais in the near future, we highly recommend that you review the 14 day weather forecast for Cascais before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 10° | 3 | 28 | 0 | 35 mm | Good | Cascais in January |
| February | 16° / 10° | 3 | 26 | 0 | 34 mm | Good | Cascais in February |
| March | 18° / 11° | 3 | 28 | 0 | 39 mm | Good | Cascais in March |
| April | 19° / 13° | 2 | 28 | 0 | 34 mm | Good | Cascais in April |
| May | 22° / 15° | 1 | 30 | 0 | 23 mm | Good | Cascais in May |
| June | 24° / 17° | 0 | 30 | 0 | 9 mm | Perfect | Cascais in June |
| July | 26° / 18° | 0 | 31 | 0 | 2 mm | Perfect | Cascais in July |
| August | 28° / 18° | 0 | 31 | 0 | 3 mm | Perfect | Cascais in August |
| September | 26° / 18° | 1 | 29 | 0 | 19 mm | Perfect | Cascais in September |
| October | 23° / 17° | 2 | 29 | 0 | 42 mm | Perfect | Cascais in October |
| November | 18° / 13° | 3 | 27 | 0 | 50 mm | Good | Cascais in November |
| December | 16° / 11° | 3 | 28 | 0 | 44 mm | Good | Cascais in December |