Melbourne weather

Our guide to the weather in Melbourne during December


Average high


UV Index


Monthly rainfall


Sea temperature

We've looked at the most up-to-date weather data for Melbourne, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Melbourne weather in December.

How warm is it in Melbourne during December?

The temperature reaches around 24℃ during the daytime in December, falling away to 13℃ at night. Remember that in December it's summer in the souther hemisphere! The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Melbourne during December?

On average, there will be 4 rainy days during the month, amounting to 74.6mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Melbourne during December?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in December. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Melbourne during December?

The water around Melbourne is around 17℃ during December. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

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