December in Ireland typically experiences cool, damp conditions. Average temperatures range from 4C to 8C (39F to 46F). Rainfall is common, and some areas, particularly mountainous regions, may experience snowfall. Daylight hours are short, with sunrise occurring late and sunset early.
Understanding Ireland’s climatic conditions during this period is crucial for travelers planning visits and for those involved in sectors such as agriculture and tourism. Historically, December has been a time of preparation for winter festivities, and the weather plays a significant role in shaping these traditions. The prevalence of rain influences agricultural practices, while the shorter days and cooler temperatures affect energy consumption and outdoor activities.