Daytime highs, nighttime lows and the warmest cities in New South Wales, Australia this December.
New South Wales, Australia, a region in Australia, experiences maximum daytime temperatures in December ranging from 21°C (70°F) in Eden to 35°C (95°F) in Bourke. Nighttime temperatures generally drop to 21°C (70°F) in Bourke and 15°C (59°F) in Eden.
To get a sense of December's typical temperatures in the key spots of New South Wales, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across New South Wales.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Sydney averages a daytime high of 24°C (75°F) in December, which is high for New South Wales, Australia.
Sydney sees nighttime lows close to 18°C (64°F) in December.
Data insights from our comprehensive database indicate that Bourke is the city with the highest warmth. Daytime peaks average near 35°C (95°F), while the nights are characterized by a low temperature close to 21°C (70°F).
For the month of December, Eden is the most temperate city in New South Wales, Australia based on our records. Highs average 21°C (70°F) and nighttime temperatures dip to around 15°C (59°F).
The weather is predominantly sunny, with an estimated total of around 257 hours of sunshine in Sydney. This means many sunny days, which creates a cheerful atmosphere during this month.
We have much more information about the climate in New South Wales.
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