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December in Leiria averages a daily high of 13.7°C. Expect roughly 9 wet days totalling 71.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Leiria is June–July.
Based on COIMBRA CERNACHE, PO (53.7km), 1995–2024. 16 years of December data.
See all twelve months for Leiria →