Sintra · SpringMonth summary
Sintra weather in May
✅ Good
🌡️ Temperature min / max
55°F – 68°F
🌧 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: Favourable conditions in May (7.8/10). August scores higher but the gap is small.
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
Spring marks the start of the good season in Sintra. Temperatures rise (20°F) 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.
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All months for Sintra
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 46°F | 57°F | 33% | 0.1in | 9.0h | 6.0/10 |
| ⛅ February | 48°F | 59°F | 31% | 0.1in | 9.8h | 7.0/10 |
| 🌦️ March | 48°F | 59°F | 40% | 0.1in | 10.7h | 6.7/10 |
| 🌦️ April | 52°F | 63°F | 40% | 0.1in | 12.1h | 7.1/10 |
| 🌤️ May | 55°F | 68°F | 24% | 0.1in | 13.0h | 7.8/10 |
| 🌤️ June | 59°F | 70°F | 23% | 0.0in | 13.9h | 8.2/10 |
| 🌤️ July | 61°F | 73°F | 6% | 0.0in | 13.8h | 9.0/10 |
| 🌤️ August | 63°F | 75°F | 4% | 0.0in | 12.9h | 9.1/10 |
| 🌤️ September | 61°F | 73°F | 17% | 0.0in | 11.2h | 8.3/10 |
| 🌤️ October | 59°F | 70°F | 34% | 0.1in | 10.3h | 7.4/10 |
| 🌦️ November | 52°F | 63°F | 45% | 0.1in | 8.8h | 6.7/10 |
| ⛅ December | 50°F | 59°F | 38% | 0.1in | 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 68°F, 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°F
- 🌧 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 68°F, 13.0h of sunshine and 24% rain, conditions are very favourable.
What to do in Sintra in May?
With 68°F 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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