July in Retiro averages a daily high of 33°C with nights around 19.7°C. Rain is rare — about 1.9 wet days and 8.2mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Retiro is May–June.
Based on MADRID RETIRO, SP (0.5km), 1995–2024. 30 years of July data.