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August in Katoomba brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 3°C (37°F). Expect some rainfall, with around 48 mm (1.9 in) typical for the month.
If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Katoomba. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Katoomba - and find the best time to visit.
47-year average (1976-2025)
Based on our historical records, temperatures in Katoomba typically stay consistent throughout August, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 6°C (43°F).
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Katoomba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Katoomba between 1990 and 2026, these are the recorded extremes during August.
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in August, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Katoomba climate overview or explore weather in Australia.
Where to go in August - average daytime high across popular destinations.
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