Porto weather in July
July in Porto: warm, dry, with clean air — one of the best months to visit.
#1 of 12 months in Porto · #36 of 604 destinations to visit in July · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Porto climate normals — July
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 9 mm / 0.3 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 13.2 h/day | |
| Daylight | 14.8 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Porto in July — FAQ
- Is July a good time to visit Porto?
- July in Porto: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Porto on SeasonMap's comfort score (93/100).
- What is the weather like in Porto in July?
- In July, Porto averages a daily high of 26.1°C and a low of 17.2°C, with about 8.8 mm of rain over roughly 2.8 rainy days.
- What is the air quality in Porto in July?
- Porto has a mean US Air Quality Index of about 40 in July.