Weather in Sintra in December

Sintra, Portugal averages a high of 14.3°C (57.7°F) and low of 10.4°C (50.7°F) in December, with 10 rain days and 7.2 hours of daily sunshine. Travel score: 62.4/100 (Good). The best time to visit Sintra is August.

High
14°C58°F
Low
10°C51°F
🌧️
10
rain days
☀️
7.2
hrs/day sunshine
💧
80%
humidity
62Good

December in Sintra is cool and occasionally wet — pack an umbrella and enjoy indoor attractions too.

What are the average temperatures in Sintra?

JanFebMarAprMayJunJulAugSepOctNovDec14°10°

How much does it rain in Sintra in December?

Sintra receives an average of 88.9mm of rainfall across 10 rainy days in December. The annual total is 600.3mm.

JanFebMarAprMayJunJulAugSepOctNovDec10d

What should I pack for Sintra in December?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 14°C
🧶
Sweaters and warm layers
Layer up for comfort

🎉Visiting Portugal in December?

Don't miss any public holidays — check before you book!

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What is the weather like in other months in Sintra?

Data based on 1994–2024 averages · Last updated: 2024-12-31