Sintra · SummerMonth summary
Sintra weather in August
✅ Excellent
🌡️ Temperature min / max
17°C – 24°C
🌧 Rainy days
4% of days
☀️ Sunshine
12.9h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
9.1/10
📅 📅 Best month
August (9.1/10)
Quick decision
Should you visit Sintra in August?
✅ Excellent
✅ Yes if: you want to combine beach, sightseeing and hiking — versatile weather (24°C, little rain).
❌ No if: you want to avoid tourist crowds — this is the busiest period.
Our take: August is an excellent time to visit Sintra. 24°C, 12.9h of sunshine — optimal conditions.
By trip type
Sintra in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
🎯 One of the best months — 25°C, maximum sunshine and ideal conditions Summer in Sintra brings pleasant temperatures (24°C) and long sunny days (12.9h of sunshine). Rain is virtually absent (4% of days) — ideal for planning without a backup. This is one of the best times of year to visit Sintra.
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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 August, Sintra averages 24°C, 4% rainy days and 12.9h of sunshine per day. Overall weather score: 9.1/10.
See methodology →
Comparison
August vs August (best month)
The best month is August (score 9.1/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Sintra in August
Is August a good time to visit Sintra?
August is an excellent time to visit Sintra (score 9.1/10). With 24°C, 12.9h of sunshine and 4% rain, conditions are very favourable.
What to do in Sintra in August?
With 24°C and 12.9h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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