Katoomba (Blue Mountains) weather in April
Australia

April in Katoomba: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Katoomba · #155 of 1383 destinations to visit in April · comfort 90/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Katoomba in April
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 — April
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 8°C / 46°F | |
| Sunshine | 9 h/day | |
| Daylight | 11.2 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 22 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Katoomba in April
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.
BusyAutumn / Easter break in Australia, school holidays in 2 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.
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 April — FAQ
- Is April a good time to visit Katoomba?
- April in Katoomba: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Katoomba on SeasonMap's comfort score (90/100).
- What is the weather like in Katoomba in April?
- In April, Katoomba averages a daily high of 18.3°C and a low of 9.2°C, with about 86.8 mm of rain over roughly 9.3 rainy days.
- What is the air quality in Katoomba in April?
- Katoomba has a mean US Air Quality Index of about 22 in April.
Other months in Katoomba
Compare Katoomba in April
Warmer or cooler than Katoomba in April
Similar destinations in Oceania — April
Within 300 km: Canberra's Autumn colour around 15 Apr – 20 May, and Sydney's Royal Easter Show around 25 Mar – 20 Apr.