January in Mazara del Vallo averages a daily high of 15.2°C. Expect roughly 11.3 wet days totalling 55.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Mazara del Vallo is April–June.
Based on TRAPANI BIRGI, IT (29.8km), 1995–2024. 19 years of January data.