Climate guide for Blue Mountains, Australia

Blue Mountains in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · Australia

Best time to visit Blue Mountains in January Weather, crowds & prices

Weather in Blue Mountains in January

Average temperature 19°C, 142 mm of rain, about 25 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

8.1/10

Ranked #6 of 12 months

Full year for Blue Mountains
Avg temp
19°C
Rainfall
142 mm
Humidity
76%
Days with 6h+ sun
25
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

January in Blue Mountains scores 8.1/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 19°C, 142 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.

The Blue Mountains' eucalyptus haze, cliffs and Three Sisters rise west of Sydney.

January in Blue Mountains: strong conditions, 6th of 12

January averages 19°C (67°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.

Monthly rainfall reaches 142 mm — wet for this destination — but about 25 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 8.1/10 here, 6th of 12 months, against 9.5/10 in the destination's best month.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

Plan for peak pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Blue Mountains in January?
In January, Blue Mountains averages 19°C, 142 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
Is January a good time to visit Blue Mountains?
January earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Blue Mountains in January?
Expect about 142 mm of rain in January. Average humidity is 76% and there are about 25 days with 6+ hours of sunshine.

Curated in Blue Mountains

Tickets & experiences

Things to do in Blue Mountains

Blue Mountains, Australia. Live activities and tours from GetYourGuide, matched to this destination.