The temperatures in Cascais in December are usually low and can range between 11°C and 16°C.
You can expect about 3 to 8 days of rain in Cascais during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cascais in December 2024.
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.
Temperatures
16° / 11°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
44
mm
Sun Hours
9.9
Hrs
