Australia weather in December
Australia in December averages 27°C (81°F) and 33 mm of rain.
Of the twelve months in Australia, December is the third warmest and the second wettest.

- Average temp
- 27°C (81°F)
20–35°C · 68–95°F
- Rainfall
- 33 mm
Not much rain
- Sunshine
- —
What is Australia like in December?
Daytime
Days are hot, often above 32°C.
Rain
Rain is usually light.
Evening
Evenings stay warm.
What should I pack for Australia in December?
High-factor sun cream
With daytime highs around 35°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A layer for the evening
The day swings about 15°C between its low and its high.
Comfortable walking shoes you can rinse
Dry warm weather is walking weather, and dust gets into everything.
December compared with November and January
December in Australia is 1.8°C warmer than November and 10 mm wetter than it, which averages 26°C (78°F).
December in Australia is 2.4°C cooler than January and 10 mm wetter than it, which averages 30°C (86°F).
Daylight in Australia in December
On 15 December the sun is up for 13 hours 42 minutes in Australia, rising about 05:38 and setting about 19:21 local time.
No month in Australia has more daylight than December.
Travel guides for Australia
What to read before you book.
Australia weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 30°C / 86°F | 23 mm |
| February | 29°C / 83°F | 37 mm |
| March | 25°C / 78°F | 16 mm |
| April | 21°C / 70°F | 13 mm |
| May | 16°C / 61°F | 14 mm |
| June | 12°C / 54°F | 16 mm |
| July | 12°C / 54°F | 15 mm |
| August | 14°C / 58°F | 5 mm |
| September | 20°C / 67°F | 8 mm |
| October | 22°C / 72°F | 20 mm |
| November | 26°C / 78°F | 23 mm |
| December | 27°C / 81°F | 33 mm |
Check another month
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FAQs about Australia in December
December climate averages for Australia, 1991–2020.
Australia averages 27°C (81°F) in December, ranging from about 20°C (68°F) at night to 35°C (95°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. December sees only about 33 mm, so rain is unlikely to affect your plans.
No. December averages 27°C (81°F) against 30°C (86°F) in January — 2.4°C cooler.
December is 1.8°C warmer than November, and 10 mm wetter.
Yes. December falls inside the most comfortable stretch of the year here, September to December, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 42 minutes of daylight in mid-December, the most of any month in Australia.
On 15 December, sunrise is about 05:38 and sunset about 19:21 local time. Both shift across the month.





