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Things to Do in Cascais in May
Real historical weather for Cascais in May: average highs of 19°C and lows of 15°C, with around 31mm of rain (averaged over the last 3 years). Cascais is in Portugal.
19°C
Average high
15°C
Average low
31mm
Typical rainfall
Real things to do in Cascais in May
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Cascais Coastal Secrets 90 Minute Cruise with Free Wine and Beer
★ 5.0(27 reviews)· 1h 30m
From €38

Guided Tour to Sintra, Pena, Regaleira, Cabo da Roca and Cascais
★ 4.9(3,696 reviews)· 10 hrs
From €80

Sintra, Pena Palace, Regaleira, Roca, Cascais, Small Group tour
★ 4.9(2,103 reviews)· 8 hrs
From €50

Small Group Tour to Sintra, Pena Palace, Cabo Roca and Cascais
★ 4.9(4,544 reviews)· 8 hrs
From €63

Private Tour Sintra, Pena Palace and Cascais from Lisbon
★ 4.9(261 reviews)· 8 hrs
From €110

Sintra and Cascais Small-Group Day Trip from Lisbon
★ 4.8(7,719 reviews)· 8 hrs
From €59

Group Tour to Sintra, Pena, Regaleira, Cabo da Roca & Cascais
★ 4.8(620 reviews)· 9 hrs
From €35

Sintra, Pena, Regaleira, Roca & Cascais Guided Tour from Lisbon
★ 4.8(1,192 reviews)· 9 hrs
From €35

Lisbon: Sintra, Pena, Regaleira, Cabo Roca Coast and Cascais 8h
★ 4.7(300 reviews)· 9 hrs
From €30

Sintra, Pena Palace, Quinta da Regaleira & Cascais Group Tour
★ 4.7(875 reviews)· 8h 30m
From €30
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FAQs — Cascais in May
Based on real historical data (averaged over the last 3 years), expect highs around 19°C and lows around 15°C, with roughly 31mm of rain.