Sintra · SpringMonth summary
Sintra weather in May
✅ Good
🌡️ Temperature min / max
13°C – 20°C
🌧 Rainy days
24% of days
☀️ Sunshine
13.0h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
August (9.1/10)
Quick decision
Should you visit Sintra in May?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: Sintra in May: 20°C and 13.0h of sunshine. Decent, but not the peak.
By trip type
Sintra in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in May
🎯 Good period — 20°C with good sunshine. Reasonable crowds Spring marks the start of the good season in Sintra. Temperatures rise (20°C) and tourists have not yet arrived en masse. Rain risk remains low (24% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if August (9.1/10) remains theoretically better.
Browse by month
All months for Sintra
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Sintra averages 20°C, 24% rainy days and 13.0h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
May vs August (best month)
The best month is August (score 9.1/10). Difference:
- 🌡️ Max temperature : +4°C
- 🌧 Rainy days : -20%
- ☀️ Sunshine : -0.1h/day
FAQ
FAQ — Sintra in May
Is May a good time to visit Sintra?
May is an excellent time to visit Sintra (score 7.8/10). With 20°C, 13.0h of sunshine and 24% rain, conditions are very favourable.
What to do in Sintra in May?
With 20°C max and 13.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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