Blue Mountains

Blue Mountains Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in the Blue Mountains, Australia in December.

Planning a journey to the Blue Mountains, Australia this December and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in the Blue Mountains in December

The Blue Mountains, Australia is a region in Australia. December in the Blue Mountains generally has warm temperatures, with high precipitation. It's the height of summer.

Temperatures

You can expect warm maximum daytime temperatures of around 25°C (77°F) and nighttime temperatures around 12°C (54°F) in Katoomba.

To learn more about the conditions in specific areas of the Blue Mountains, Australia, check out the map below.

Precipitation

In December, precipitation varies across different areas. From high rainfall in Springwood with an average of 107 mm (4.2 in) to high rainfall in Katoomba with 121 mm (4.8 in).

Explore the Blue Mountains by month

Pick a month to see the average temperature, rainfall and sunshine in the Blue Mountains - and find the best time to visit. (based on Katoomba)

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.

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).

Popular Destinations in the Blue Mountains

What is the weather like in December for some of the most popular destinations in the Blue Mountains, Australia?

Temperature range in the Blue Mountains (December)

Precipitation variation in the Blue Mountains (December)

Katoomba

In December Katoomba generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are very good that month.

November
December
January
Max temperature
23°C (73°F)
25°C (77°F)
27°C (81°F)
Min temperature
10°C (50°F)
12°C (54°F)
14°C (57°F)
Monthly rainfall
112 mm (4.4 in)
121 mm (4.8 in)
129 mm (5.1 in)
Monthly rainy days
13 days
11 days
13 days
Weather conditions

Leura

In December Leura generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are very good that month.

November
December
January
Max temperature
24°C (75°F)
26°C (79°F)
27°C (81°F)
Min temperature
10°C (50°F)
13°C (55°F)
15°C (59°F)
Monthly rainfall
111 mm (4.4 in)
121 mm (4.8 in)
129 mm (5.1 in)
Monthly rainy days
13 days
11 days
13 days
Weather conditions

Blackheath

In December Blackheath generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are very good that month.

November
December
January
Max temperature
23°C (73°F)
25°C (77°F)
27°C (81°F)
Min temperature
10°C (50°F)
12°C (54°F)
14°C (57°F)
Monthly rainfall
109 mm (4.3 in)
119 mm (4.7 in)
126 mm (5 in)
Monthly rainy days
13 days
11 days
13 days
Weather conditions

Wentworth Falls

In December Wentworth Falls generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are very good that month.

November
December
January
Max temperature
24°C (75°F)
26°C (79°F)
27°C (81°F)
Min temperature
11°C (52°F)
13°C (55°F)
15°C (59°F)
Monthly rainfall
111 mm (4.4 in)
119 mm (4.7 in)
128 mm (5 in)
Monthly rainy days
13 days
11 days
13 days
Weather conditions

Mount Victoria

In December Mount Victoria generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are very good that month.

November
December
January
Max temperature
23°C (73°F)
25°C (77°F)
27°C (81°F)
Min temperature
10°C (50°F)
12°C (54°F)
14°C (57°F)
Monthly rainfall
106 mm (4.2 in)
116 mm (4.6 in)
122 mm (4.8 in)
Monthly rainy days
14 days
12 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Blue Mountains, in Australia.

Popular cities in December

Day & night temperatures, rainfall and average weather in the Blue Mountains in December.

City Weather Day temp Night temp Rainfall
Katoomba 25°C (77°F) 12°C (54°F) 121 mm (4.8 in)
Leura 26°C (79°F) 13°C (55°F) 121 mm (4.8 in)
Blackheath 25°C (77°F) 12°C (54°F) 119 mm (4.7 in)
Wentworth Falls 26°C (79°F) 13°C (55°F) 119 mm (4.7 in)
Mount Victoria 25°C (77°F) 12°C (54°F) 116 mm (4.6 in)
Springwood 27°C (81°F) 14°C (57°F) 107 mm (4.2 in)

The Blue Mountains weather in December: frequently asked questions

What is the weather like in the Blue Mountains, Australia in December?

In December, the Blue Mountains, Australia generally has very good weather conditions. Katoomba sees daytime temperatures near 25°C (77°F), with nights cooling to roughly 12°C (54°F).

What is the average temperature in the Blue Mountains, Australia in December?

Daytime temperatures in Katoomba peak at roughly 25°C (77°F) in December, dropping to about 12°C (54°F) overnight.

Does the Blue Mountains, Australia get a lot of rain in December?

Katoomba typically receives notable rainfall in December, about 121 mm (4.8 in) on average across the Blue Mountains, Australia.

Is December a Good Time to Visit the Blue Mountains, Australia?

Given the typically very good weather conditions in Katoomba, December might be a good time to visit the Blue Mountains, Australia. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in April and October offering mostly excellent weather in Katoomba. On the other hand, the months of May, June, July and August tend to have good weather conditions.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.