July · Portugal
Best time to visit Cascais in July Weather, crowds & prices
Weather in Cascais in July
Average temperature 20°C, 2 mm of rain, about 31 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
8.4/10
Ranked #2 of 12 months
- Avg temp
- 20°C
- Rainfall
- 2 mm
- Humidity
- 81%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
July in Cascais scores 8.4/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 20°C, 2 mm of rain, and roughly 31 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.
July holds up well in Cascais — 2nd best month
July averages 20°C (68°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 2 mm for the month, with about 31 days with 6+ hours of sunshine and 14.5 hours of daylight to work with.
It scores 8.4/10 here, 2nd of 12 months, against 8.5/10 in the destination's best month.
Pack light clothing, swimwear and real sun protection.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Cascais in July?
- In July, Cascais averages 20°C, 2 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is July a good time to visit Cascais?
- July earns a 8.4/10 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 July?
- Expect about 2 mm of rain in July. Average humidity is 81% and there are about 31 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.