August in Leiria averages a daily high of 28.4°C with nights around 15.9°C. Expect roughly 5 wet days totalling 13.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Leiria is June–July.
Based on COIMBRA CERNACHE, PO (53.7km), 1995–2024. 21 years of August data.