Weather in Sintra in May
Sintra, Portugal averages a high of 18.3°C (64.9°F) and low of 13.6°C (56.5°F) in May, with 6 rain days and 12.4 hours of daily sunshine. Travel score: 78.6/100 (Good). The best time to visit Sintra is August.
High
18°C65°F
Low
14°C56°F
🌧️
6
rain days
☀️
12.4
hrs/day sunshine
💧
77%
humidity
79— Good
May in Sintra is mild and mostly dry — good for most activities.
What are the average temperatures in Sintra?
How much does it rain in Sintra in May?
Sintra receives an average of 41.4mm of rainfall across 6 rainy days in May. The annual total is 600.3mm.
What should I pack for Sintra in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Portugal in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31