Sintra weather in July
July in Sintra: nice, dry, with clean air — one of the best months to visit.
#1 of 12 months in Sintra · #84 of 897 destinations to visit in July · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sintra in July
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Sintra climate normals — July
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Rainfall | 2 mm / 0.1 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 13 h/day | |
| Daylight | 14.6 h | |
| Wind | 25 km/h / 16 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sintra in July — FAQ
- Is July a good time to visit Sintra?
- July in Sintra: nice, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Sintra on SeasonMap's comfort score (93/100).
- What is the weather like in Sintra in July?
- In July, Sintra averages a daily high of 21.6°C and a low of 17°C, with about 1.5 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Sintra in July?
- Sintra has a mean US Air Quality Index of about 35 in July.