Canberra weather

Our guide to the weather in Canberra during December

25

Average high

6

UV Index

78mm

Monthly rainfall

18

Sea temperature

We've looked at the most up-to-date weather data for Canberra, 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 Canberra weather in December.

How warm is it in Canberra during December?

The temperature reaches around 25℃ during the daytime in December, falling away to 11℃ 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 Canberra during December?

On average, there will be 5 rainy days during the month, amounting to 77.6mm 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 Canberra 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 Canberra during December?

The water around Canberra is around 18℃ 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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Weather in Canberra

Our month-by-month guide to the weather and climate in Canberra

28.4

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January
25.9

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February
23.0

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March
19.0

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April
14.5

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May
11.3

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June
10.6

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July
11.6

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August
15.1

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September
18.7

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October
22.0

Canberra weather in

November
25.4

Canberra weather in

December