Mid-summer · Weather & things to do
Blue Mountains in January
Blue Mountains's warmest month brings highs averaging 81°F (27°C), lows of 55°F (13°C) and about 3.2 in (81 mm) of rain.
January opens the best stretch on our comfort score, at 84/100 (4th of 12).
- Avg high
- 81°F (27°C)
- Avg low
- 55°F (13°C)
- Rain
- 3.2 in (81 mm)
- Humidity
- 61%
- Cloud cover
- 63%
- Daylight
- ~14 h 00 min
- Comfort score
- 84/100 · Great
What January feels like
Days are warm, averaging 81°F (27°C), easy weather for being outside from morning to evening.
Mornings start much cooler: lows average 55°F (13°C), about 14°C (26°F) below the afternoon high.
Some rain is likely, about 3.2 in (81 mm) in the month, so pack for a shower or two.
Plan around January
January is one of Blue Mountains's best months on the climate data.
- Start of the wettest three-month stretch (January – March), which brings about 10.9 in (276 mm) in total.
- Opens the best-scoring stretch on our comfort score: January, March & April and September – November.
- Last of the best-scoring months: by February, the score drops to 79/100.
- Comfort holds steady from December (84 → 84/100).
- Our Sydney, Blue Mountains & the Reef route recommends May – Oct, so January falls outside its suggested window.
What to pack for January
- Light, breathable clotheshighs average 81°F
- Sunscreen, sunglasses and a hatstrong sun this month
- A warm layer for eveningslows near 55°F
- Packable rain jacket or umbrellaabout 3.2 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Blue Mountains in January
With conditions on your side, the picks below favor time outside.
Zig Zag Railway
Heritage steam and diesel trains running down the 1860s zig-zag line from Clarence near Lithgow, with sandstone cuttings and viaducts.
Why now January scores 84/100 for comfort, good conditions for being outside.
Scenic World
Steep railway, cable car and skyway over the Jamison Valley, with rainforest boardwalks.
Why now Highs near 81°F and 3.2 in of monthly rain make this an easy outdoor pick.
Leura Mall
Tree-lined main street of Leura with cafes, homeware stores and garden shops.
Why now One to do outside while the weather is on your side.
Wentworth Falls
Tiered waterfall with lookouts and a cliff-edge track along the National Pass.
Govetts Leap Lookout
Lookout over the Grose Valley and Bridal Veil Falls near Blackheath.
Nearby in January
- Sydney in January~53 mi · highs 78°F, 3.3 in rain · 2°C (3°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~875 m to Blue Mountains's ~1,022 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Blue Mountains in January: quick answers
Is January a good time to visit Blue Mountains?
Yes. On the climate data it's one of the best months, scoring 84/100. Expect highs of 81°F (27°C) and 3.2 in (81 mm) of rain. Our Sydney, Blue Mountains & the Reef route recommends May – Oct, so January is outside its suggested window.
How hot is Blue Mountains in January?
Average highs are 81°F (27°C) and average lows 55°F (13°C), making it the warmest month by daytime highs.
Does it rain a lot in Blue Mountains in January?
Some: about 3.2 in (81 mm) of rain falls across January on average, the 3rd-wettest month of the year. The annual total is about 29.5 in (749 mm).
What should I pack for Blue Mountains in January?
Bring light, breathable clothes (highs average 81°F), sunscreen, sunglasses and a hat (strong sun this month), a warm layer for evenings (lows near 55°F), packable rain jacket or umbrella (about 3.2 in of rain) and comfortable walking shoes (most picks involve some walking).
More on Blue Mountains
Planning Blue Mountains in January?
Share this January plan with your group, poll everyone on dates and keep the packing list in one place.