Temperature in The Blue Mountains in December

Daytime highs, nighttime lows and the warmest cities in the Blue Mountains, Australia this December.

The Blue Mountains, Australia, a region in Australia, typically experiences warm weather in December, with maximum daytime temperatures around 25°C (77°F) and nighttime temperatures around 12°C (54°F) in Katoomba. December is part of the summer season

What is the temperature of the different cities in the Blue Mountains, Australia in December?

Curious about the December temperatures in the prime spots of the Blue Mountains? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

See also: the Blue Mountains weather by month.

Best Places to Visit in the Blue Mountains in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Blue Mountains.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

The Blue Mountains temperatures in December: frequently asked questions

How hot does it get in the Blue Mountains, Australia in December?

Expect daytime temperatures around 25°C (77°F) in Katoomba. That makes December a high month for the Blue Mountains, Australia.

How cold does it get at night in the Blue Mountains, Australia in December?

Average overnight lows in the Blue Mountains, Australia during December sit near 12°C (54°F) in Katoomba.

Interested in more climate information?

We have much more information about the climate in the Blue Mountains.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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