Climate almanac
Cascais
Lisbon, Portugal · 38.70°, -9.42°
What is the weather like in Cascais in December?
In December, Cascais is typically 60°F (16°C) during the day and 56°F (14°C) at night. The month brings about 3.6 in (91 mm) of precipitation in total.
- Average high60°F (16°C)
- Average low56°F (14°C)
- Precipitation3.6 in (91 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)