August in Horta-Guinardó averages a daily high of 29.1°C with nights around 21.6°C. Expect roughly 5.4 wet days totalling 50.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Horta-Guinardó is May–July.
Based on BARCELONA AEROPUERTO, SP (16.2km), 1995–2024. 30 years of August data.