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Thredbo Weather in December
December in Thredbo averages 22°C (72°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 103 mm (4.1 in) on average. An umbrella is a good idea.
Rainfall in Thredbo in December
You can expect rain on roughly 13 days based on historical data, averaging 103 mm (4.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Thredbo in December
December in Thredbo brings pleasant temperatures, with highs of 22°C (72°F) and nights around 8°C (46°F). December is in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you prefer enjoying temperate temperatures and rain-free days, January and March typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Thredbo Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
22°C (72°F)
Chance of Rain
43%
Precipitation
103 mm (4.1 in)
Rainy days
13 days
Thredbo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thredbo - and find the best time to visit.
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Thredbo typically stay consistent throughout December, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Average temperatures in December
Daily Historical Precipitation
41-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Thredbo in December
Browse day-by-day weather records for Thredbo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Thredbo historical weather extremes in December
Based on weather observations in Thredbo between 1990 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Thredbo reached 34°C (93°F) (December 19, 1994).
- Nighttime temperatures dropped to -5°C (23°F) on December 26, 2006, marking the coldest December night on record.
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Thredbo in December
For Thredbo in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Thredbo in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping3/10 -
Outdoor sports9/10
Thredbo 3-Day Forecast
More climate data for Thredbo
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Where to go in December - average daytime high across popular destinations.
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