Killarney Weather in December

Killarney in December sees very low temperatures, with highs around 0°C (32°F) and overnight lows of -7°C (19°F). Snow/rainfall is fairly high at around 82 mm (3.2 in) on average, so pack waterproofs just in case.

Rainfall in Killarney in December

Historically, December sees about 15 days of snow/rain, with a monthly average of 82 mm (3.2 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Killarney in December

Daytime highs in Killarney in December reach 0°C (32°F), with nights around -7°C (19°F). Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -7°C (19°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month is particularly chilly, so wearing layers is necessary to stay warm and comfortable.

December in Killarney has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.