Mullumbimby Weather in December

December in Mullumbimby typically sees daytime highs of 27°C (81°F) and nighttime lows of 20°C (68°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Mullumbimby in December

Historically, the month has about 12 days of rain, averaging 134 mm (5.3 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Mullumbimby in December

In December, Mullumbimby gets high temperatures, with highs of 27°C (81°F). Nights cool to around 20°C (68°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Mullumbimby in December

The days are predominantly sunny, with an estimated total of around 250 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Average water temperature in December

With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, April, July, August, September and October typically offer the best circumstances for Mullumbimby.

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• January
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For a detailed overview over the year and the best time to visit Australia, check out our Mullumbimby's climate page.

Mullumbimby Temperature in December

Min Temperature 20°C (68°F)  

Max Temperature 27°C (81°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 39%  

Precipitation 134 mm (5.3 in)  

Rainy days 12 days  

Sunshine 250 hours *  

Percentage Sunshine *  

* Data from: Byron Bay, Australia (15 KM, 9 Miles).

What to Wear in Mullumbimby in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Mullumbimby in December

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Mullumbimby

Temperature Rainfall Sunshine Water Temp

See the full Mullumbimby climate overview or explore weather in Australia.