Shellharbour Weather in December

December in Shellharbour averages 23°C (73°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 82 mm (3.2 in) on average. An umbrella is a good idea.

Rainfall in Shellharbour in December

This month experiences about 11 days of rain according to historical data, averaging 82 mm (3.2 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Shellharbour in December

December in Shellharbour is generally excellent, with days reaching 23°C (73°F) and nights settling around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If your ideal day consists of dry skies and pleasant temperatures, January, April, October, November and December typically offer the best circumstances for Shellharbour.