Alcamo's climate is mild and varied throughout the year. Winters are cool, with temperatures ranging from just below freezing in January and December to around 20°C in March. Spring brings rising temperatures, often reaching up to 28°C by April and May. Summers are warm to hot, with highs frequently above 40°C in June and July, although overnight lows can still dip into the mid-teens. Autumn is generally mild, with temperatures gradually cooling from September's averages around 25°C.