Blue Mountains Weather in December

Blue Mountains in December averages 2°C (36°F) during the day and -4°C (25°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.

Rainfall in Blue Mountains in December

Typically around 18 days of snow/rainfall are expected, averaging 100 mm (3.9 in) for the month. 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 Blue Mountains in December

In December, Blue Mountains gets low temperatures, with highs of 2°C (36°F). Nights cool to around -4°C (25°F). December is part of the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With overnight lows of -4°C (25°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.

December in Blue Mountains has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.