June in Cacém averages a daily high of 25.9°C with nights around 17°C. Rain is rare — about 2.8 wet days and 13.7mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cacém is May–September.
Based on LISBOA GEOFISICA, PO (14km), 1995–2024. 26 years of June data.