Sintra, PortugalQuick decision
When to visit Sintra?
🌞 Best time overall
August
🌡️ Optimal temperature
17°C–24°C in August
🌧 Least rain
4% rainy days in August
🌧 Wettest month
January (33%)
📅 Best score
9.1/10
By trip type
Best time by type of trip
Pena PalaceMarch–May or October — colourful palace, romantic gardens.
Quinta da RegaleiraYear-round — initiation well, caves and mystical gardens.
Sintra ForestApril–October — trails, microclimates and unique biodiversity.
Cabo da RocaYear-round — westernmost point of continental Europe.
Monthly climate data
Sintra weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 8°C | 14°C | 33% | 3.0 | 9.0h | 6.0/10 |
| ⛅ February | 9°C | 15°C | 31% | 2.4 | 9.8h | 7.0/10 |
| 🌦️ March | 9°C | 15°C | 40% | 3.6 | 10.7h | 6.7/10 |
| 🌦️ April | 11°C | 17°C | 40% | 2.9 | 12.1h | 7.1/10 |
| 🌤️ May | 13°C | 20°C | 24% | 1.7 | 13.0h | 7.8/10 |
| 🌤️ June | 15°C | 21°C | 23% | 1.0 | 13.9h | 8.2/10 |
| 🌤️ July | 16°C | 23°C | 6% | 0.2 | 13.8h | 9.0/10 |
| 🌤️ August | 17°C | 24°C | 4% | 0.1 | 12.9h | 9.1/10 |
| 🌤️ September | 16°C | 23°C | 17% | 1.1 | 11.2h | 8.3/10 |
| 🌤️ October | 15°C | 21°C | 34% | 2.8 | 10.3h | 7.4/10 |
| 🌦️ November | 11°C | 17°C | 45% | 3.7 | 8.8h | 6.7/10 |
| ⛅ December | 10°C | 15°C | 38% | 3.4 | 8.7h | 6.0/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 17°C, 35% rainy days, 11.9h sunshine/day. Score: 7.2/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 23°C, 11% rainy days, 13.5h sunshine/day. Score: 8.8/10.
🍂 Autumn (Sep–Nov) — Good time
Average 20°C, 32% rainy days, 10.1h sunshine/day. Score: 7.5/10.
❄️ Winter (Dec–Feb) — Acceptable
Average 15°C, 34% rainy days, 9.2h sunshine/day. Score: 6.3/10.
Accommodation
Find a place to stay in Sintra
Check availability during the recommended period
Tip : February, March offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Sintra
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
August is ideal with 4% rainy days and 24°C.
January is the wettest month with 33% rainy days.
Yes, August is the best month with an average of 24°C.
In winter, the average score is 6.3/10. Acceptable conditions for cultural visits.
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