June · Portugal
Best time to visit Cascais in June Weather, crowds & prices
Weather in Cascais in June
Average temperature 19°C, 14 mm of rain, about 30 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
8.0/10
Ranked #4 of 12 months
- Avg temp
- 19°C
- Rainfall
- 14 mm
- Humidity
- 81%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
June in Cascais scores 8.0/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 19°C, 14 mm of rain, and roughly 30 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.
June in Cascais — reliably good (4th best month)
June averages 19°C (66°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 14 mm for the month, with about 30 days with 6+ hours of sunshine and 14.7 hours of daylight to work with.
It scores 8/10 here, 4th of 12 months, against 8.5/10 in the destination's best month.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Cascais in June?
- In June, Cascais averages 19°C, 14 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is June a good time to visit Cascais?
- June earns a 8.0/10 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 June?
- Expect about 14 mm of rain in June. Average humidity is 81% and there are about 30 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.