Katoomba Weather and Climate
Climate Snapshot
Katoomba's warmest month in 2024 was December, averaging 25.0 degrees. That gives Katoomba an annual average daytime high of 17.3 degrees, 5.0 degrees cooler than the New South Wales mean.
Daytime highs peak at 25.0 degrees in December and bottom out with overnight lows of 0.8 degrees in June. That is a 24.2 degree spread from hottest afternoon to coldest night. Overnight minimums average 7.1 degrees across the year, 5.4 degrees colder than the New South Wales average of 12.5.
Annual rainfall totals 1,087mm across 141 rain days, 21 percent wetter than the New South Wales average. The wettest month is April at 218mm, and July is the driest at 37mm.
There is a pronounced wet-dry split here. April receives 218mm while July gets just 37mm, so the contrast between seasons is stark.
By our reckoning, December (10.0/10) is when the weather is at its finest, while May (1.0/10) is the toughest month to be outdoors.
The full data table below breaks it all down month by month. If you're in a hurry, December is your best bet.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 5.1/10 - Ranked #183 of 213 Australian cities (national avg 6.2, NSW avg 6.4)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 23.7 | 12.5 | 295 | 9.2 |
| Autumn | 16.9 | 7.0 | 374 | 4.2 |
| Winter | 10.6 | 2.1 | 204 | 1.3 |
| Spring | 17.9 | 6.9 | 214 | 5.8 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Katoomba.
23.2°C, 157mm rain February
23.0°C, 97mm rain March
21.3°C, 53mm rain April
16.6°C, 218mm rain May
12.9°C, 103mm rain June
9.6°C, 123mm rain July
8.9°C, 37mm rain August
13.2°C, 44mm rain September
15.0°C, 44mm rain October
17.3°C, 53mm rain November
21.5°C, 116mm rain December
25.0°C, 41mm rain
Compare and Explore
Similar Climates
If you like Katoomba's climate, you might also consider:
Tasmania - Comfort 5.1/10 Newman
Western Australia - Comfort 5.1/10 Tom Price
Western Australia - Comfort 5.2/10 Daylesford
Victoria - Comfort 5.2/10