December · Portugal
Best time to visit Cascais in DecemberWeather, crowds & prices
December score
4.5/10
Ranked #12 of 12 months
- Avg temp
- 13°C
- Rainfall
- 90 mm
- Humidity
- 60%
- Sunny days
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
December in Cascais scores 4.5/10 for beach and coastal travel - ranked #12 of 12. Expect around 13°C, 90 mm of rain, and roughly 20 sunny days this month.
Cascais pairs a walkable former fishing town with sheltered beaches, an Atlantic promenade, and the wilder coast toward Guincho.
Frequently asked
- What is the weather like in Cascais in December?
- In December, Cascais averages 13°C, 90 mm of rain, and about 20 sunny days. Its climate-comfort score is 4.5/10.
- Is December a good time to visit Cascais?
- December earns a 4.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cascais in December?
- Expect about 90 mm of rain in December. Average humidity is 60% and there are about 20 sunny days.
Curated in Cascais
Tickets & experiences
Things to do in Cascais
Cascais, Portugal. Live activities and tours from GetYourGuide, matched to this destination.