Sintra weather in June
June in Sintra: nice, dry, with clean air — an excellent time to visit.
#4 of 12 months in Sintra · #167 of 897 destinations to visit in June · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
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Sintra climate normals — June
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Rainfall | 12 mm / 0.5 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 13 h/day | |
| Daylight | 14.8 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sintra in June — FAQ
- Is June a good time to visit Sintra?
- June in Sintra: nice, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Sintra on SeasonMap's comfort score (91/100).
- What is the weather like in Sintra in June?
- In June, Sintra averages a daily high of 19.8°C and a low of 15.7°C, with about 12.1 mm of rain over roughly 3.6 rainy days.
- What is the air quality in Sintra in June?
- Sintra has a mean US Air Quality Index of about 42 in June.