Late winter · Weather & things to do
Blue Mountains in August
Blue Mountains edges warmer than July, with highs of 52°F (11°C), lows of 33°F (1°C) and about 1.6 in (41 mm) of rain.
It scores 74/100 for comfort, 10th of 12, which makes it a solid shoulder-season month.
- Avg high
- 52°F (11°C)
- Avg low
- 33°F (1°C)
- Rain
- 1.6 in (41 mm)
- Humidity
- 73%
- Cloud cover
- 44%
- Daylight
- ~10 h 45 min
- Comfort score
- 74/100 · Good
What August feels like
Cool days top out near 52°F (11°C), better for brisk walks than lingering outside.
After dark, temperatures fall to about 33°F (1°C).
Rain is moderate at about 1.6 in (41 mm) for the month.
Plan around August
August is shoulder season: good weather, a step below the best months (January, March & April and September – November).
- Comfort improves from 69/100 in July to 74/100.
- August sits inside the May – Oct window our Sydney, Blue Mountains & the Reef route recommends.
What to pack for August
- Insulated jackethighs only 52°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Blue Mountains in August
August is good outdoor weather here, so these picks lean toward the open air.
Grand Canyon Track
6 km loop near Blackheath descending into a fern-lined slot canyon.
Why now August scores 74/100 for comfort, good conditions for being outside.
Three Sisters
Three sandstone pillars above the Jamison Valley, seen from Echo Point Lookout.
Why now Highs near 52°F and 1.6 in of monthly rain make this an easy outdoor pick.
Hydro Majestic Hotel
Restored 1904 cliff-top hotel in Medlow Bath known for high tea above the Megalong Valley.
The Carrington Hotel
Grand 1880s hotel in Katoomba with a historic bar and a wood fire.
Leura Gourmet
Cafe and deli on Leura Mall with a back dining room that looks out over the Jamison Valley.
Nearby in August
- Sydney in August~53 mi · highs 63°F, 1.9 in rain · 6°C (11°F) warmer 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 August: quick answers
Is August a good time to visit Blue Mountains?
It's a good shoulder-season choice, scoring 74/100 against a best of 90 in January, March & April and September – November. Expect highs of 52°F (11°C) and 1.6 in (41 mm) of rain. August is inside the May – Oct window our Sydney, Blue Mountains & the Reef route recommends.
How cold is Blue Mountains in August?
Average highs are 52°F (11°C) and average lows 33°F (1°C), making it the 3rd-coldest month by daytime highs.
Does it rain a lot in Blue Mountains in August?
Not much: about 1.6 in (41 mm) of rain falls across August on average, the 4th-driest month of the year. The annual total is about 29.5 in (749 mm).
What should I pack for Blue Mountains in August?
Bring insulated jacket (highs only 52°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Blue Mountains
Routes in season in August
- Sydney, Blue Mountains & the Reef May – Oct
Planning Blue Mountains in August?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.