Newcastle weather in December
Long-run climate averages for Newcastle, New South Wales in December, plus what the forecast models say for the days ahead.
In December, Newcastle averages 27°C by day and 20°C at night. The wettest month is usually April.
December in Newcastle averages a daytime high of 27°C and an overnight low of 20°C, which reads as warm for this part of the world. It is among the three warmest months of the year here. Across the whole year Newcastle sees roughly 849 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Newcastle forecast with every model compared and how much they currently agree.
Newcastle weather by month
what to expect in Newcastle through the yearHere is Newcastle's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Newcastle by season.