May · Portugal
Best time to visit Cascais in MayWeather, crowds & prices
May score
9.2/10
Ranked #1 of 12 months
- Avg temp
- 27°C
- Rainfall
- 30 mm
- Humidity
- 60%
- Sunny days
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Cascais scores 9.2/10 for beach and coastal travel - the single best month of the year. Expect around 27°C, 30 mm of rain, and roughly 23 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 May?
- In May, Cascais averages 27°C, 30 mm of rain, and about 23 sunny days. Its climate-comfort score is 9.2/10.
- Is May a good time to visit Cascais?
- May earns a 9.2/10 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 May?
- Expect about 30 mm of rain in May. Average humidity is 60% and there are about 23 sunny days.
Curated in Cascais
Tickets & experiences
Things to do in Cascais
Cascais, Portugal. Live activities and tours from GetYourGuide, matched to this destination.