SeasonMapKatoomba (Blue Mountains) weather in July
Australia
July in Katoomba: cold, rainy, with clean air — a great time to visit.
#12 of 12 months in Katoomba · #785 of 1383 destinations to visit in July · comfort 76/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Katoomba in July
Other months in Katoomba
Katoomba's forum calls November good, reliable spring weather for exploring the Blue Mountains — regulars flag that the altitude keeps it noticeably cooler than Sydney, by as much as 10°C on a given day, so it's worth packing a layer even on a warm-looking Sydney forecast.
Add your own note from Katoomba's card on the map.
Katoomba climate normals — July
| Daytime high | 10°C / 51°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 6°C / 43°F | |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 2°C / 35°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 10.2 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 20 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Katoomba in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsYulefest, Winter (July) break in Australia, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Katoomba's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKatoomba's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Katoomba in July
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Cloud in the valley
1 May – 31 Aug · usuallyFog seasonCold air pools in the Jamison Valley and the Three Sisters disappear for hours at a time, sometimes for a whole day. When it burns off from below it is the best view of the year.
- Festival
Yulefest
1 Jun – 31 AugChristmas & New YearCrowdedBook earlyChristmas in July, invented here in 1980 and now most of the winter: roaring fires, roast dinners and carols at the old guesthouses in Katoomba, Leura and Blackheath. Weekends book out. Source ↗
Nearby, and something's on
Within 300 km of Katoomba — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Katoomba?
Katoomba in July — FAQ
- Is July a good time to visit Katoomba?
- July in Katoomba: cold, rainy, with clean air — a great time to visit. It ranks #12 of 12 months for Katoomba on SeasonMap's comfort score (76/100).
- What is the weather like in Katoomba in July?
- In July, Katoomba averages a daily high of 10.4°C and a low of 2.9°C, with about 87.2 mm of rain over roughly 10 rainy days.
- What is the air quality in Katoomba in July?
- Katoomba has a mean US Air Quality Index of about 20 in July.
Other months in Katoomba
Compare Katoomba in July
Warmer or cooler than Katoomba in July
Similar destinations in Oceania — July
Within 300 km: Sydney's Humpback migration around 15 May – 15 Nov, and Canberra's Frost and morning fog around 15 May – 31 Aug.