April · Portugal
Best time to visit Cascais in April Weather, crowds & prices
Weather in Cascais in April
Average temperature 16°C, 47 mm of rain, about 27 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
6.3/10
Ranked #6 of 12 months
- Avg temp
- 16°C
- Rainfall
- 47 mm
- Humidity
- 80%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Cascais scores 6.3/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 16°C, 47 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Cascais pairs a walkable former fishing town with sheltered beaches, an Atlantic promenade, and the wilder coast toward Guincho.
April in Cascais — middling scores, decent value
April averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 47 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 13 hours of daylight.
It scores 6.3/10 here, 6th of 12 months, against 8.5/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? August scores 2.2 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cascais in April?
- In April, Cascais averages 16°C, 47 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 6.3/10.
- Is April a good time to visit Cascais?
- April earns a 6.3/10 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 April?
- Expect about 47 mm of rain in April. Average humidity is 80% and there are about 27 days with 6+ hours of sunshine.
Curated in Cascais
Tickets & experiences
Things to do in Cascais
Cascais, Portugal. Live activities and tours from GetYourGuide, matched to this destination.