Mosman weather in December (New South Wales, Australia)

What kind of weather does December bring to Mosman? Use this page to get an overview of the month’s weather conditions.

Temperatures

You’ll find the weather in Mosman during December to be perfect, with high temperatures and moderate rainfall. Expect daytime highs to reach approximately 24°C, with nighttime lows dipping to around 19°C.

Precipitation

Mosman in December usually receives moderate rainfall, averaging around 64 mm for the month. The climate data from previous years indicates that there are typically about 10 days days of rain.

Average sunshine

The city usually sees around 257 hours of sunlight, indicating many sunny days.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit. January, March, April, May, September, October, November and December generally stand out with the best circumstances. While June tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mosman climate page with graphs.

 

Mosman, monthly averages in December

Min Temperature 19°C  

Max Temperature 24°C  

Water Temperature 20°C *  

Chance of Rain 34%  

Precipitation 64 mm  

Rainy days 10 days  

Humidity 58% *  

Windspeed 14 km/h *  

Sunshine 257 hours *  

Percentage Sunshine 55% *  

Data from: Sydney, Australia (14 KM, 8 Miles).

Where to go in Australia in December

Find out more about the weather in Australia and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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).

So, what should you wear in this month?

For visitors traveling to Mosman, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 20°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mosman.

Our site offers climate and forecast data for every country in the world. Are you going to Australia? On this website you can find 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.