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Weather in December in New South Wales

Planning a trip to New South Wales this December? Here's what you need to know about the weather:

What is the weather like in New South Wales in December?

New South Wales is a region in Australia. New South Wales has a wide variety of climate types. During December, you can expect temperatures that range from pleasant to very hot and precipitation levels ranging from low to heavy.

Temperatures

During the day temperatures vary from pleasant in Eden at 21°C to very hot in Bourke at 35°C. At night it cools down to 21°C in Bourke and 15°C in Eden.

For specific regional insights in New South Wales, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From low rainfall in Broken Hill with an average of 23 mm to heavy rainfall in Bellingen with 162 mm.

Average sunshine

Meanwhile, Sydney enjoys close to 257 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

For more details on the yearly climate, visit our New South Wales climate page.

Where to go in New South Wales in December

Find more information for the most popular destinations in the New South Wales on the map below. Click on a destination dot for more details.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Australia, check out our New South Wales's climate page.

Popular destinations

What is the weather like in December for the 5 most popular destinations in New South Wales?

Sydney

In December Sydney generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 18°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Sydney
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
23°C 
16°C 
243 hours 
77 mm 
12 days 
24°C 
18°C 
257 hours 
63 mm 
10 days 
Annual   >> Annual
>>  
22°C 
15°C 
2,644 hours 
897 mm 
131 days 
poor 
Climate in Sydney

Byron Bay

In December Byron Bay generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 21°C and high monthly rainfall. So on average the conditions are pleasant that month.

Byron Bay
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
25°C 
19°C 
250 hours 
111 mm 
11 days 
27°C 
21°C 
250 hours 
120 mm 
12 days 
Annual   >> Annual
>>  
24°C 
18°C 
2,715 hours 
1332 mm 
133 days 
Climate in Byron Bay

Jindabyne

In December Jindabyne generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Jindabyne
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
20°C 
7°C 
97 mm 
14 days 
22°C 
9°C 
89 mm 
12 days 
Annual   >> Annual
>>  
17°C 
5°C 
899 mm 
158 days 
poor 
Climate in Jindabyne

The Entrance

In December The Entrance generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 18°C and moderate monthly rainfall. So on average the conditions are perfect that month.

The Entrance
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
23°C 
17°C 
89 mm 
12 days 
25°C 
18°C 
74 mm 
10 days 
Annual   >> Annual
>>  
22°C 
16°C 
1004 mm 
132 days 
Climate in The Entrance

Merimbula

In December Merimbula generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 15°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Merimbula
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
21°C 
13°C 
94 mm 
13 days 
22°C 
15°C 
89 mm 
11 days 
Annual   >> Annual
>>  
20°C 
12°C 
856 mm 
141 days 
poor 
Climate in Merimbula

Is your destination not in the list? Have a look at other destinations in New South Wales, in Australia.

Is December the best time to visit New South Wales?

We believe that December is one of the best times to visit New South Wales with overall perfect weather in Sydney.

On average, the best time to visit New South Wales is in January, March, April, May, September, October, November and December with generally perfect weather in Sydney.

Interested in more climate information?

We have much more information about the climate in New South Wales.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.