Katoomba in Spring

In spring (September, October and November), Katoomba sees average daytime highs around 20°C and overnight lows near 8°C, with 239 mm of rain over about 33 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 15°C in early September to 23°C by late November. The sky is clear or mostly clear about 38% of the time across spring, and the air most often feels dry.

Spring is Katoomba's 2nd-best season to visit on our travel score. For the whole year in context, see Katoomba's year-round climate.

Avg daytime high: 20°C; 2nd-warmest season
Avg overnight low: 8°C
Rainfall: 239 mm; 33 wet days
Avg wind: 10 km/h
Travel score: 6.1; 2nd-best season
Months: Sep · Oct · Nov

← Winter Katoomba year-round climate Summer →

Spring Summer Fall Winter

Temperature in Katoomba in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 15°C in early September to 23°C by late November.

A typical spring day in Katoomba reaches about 20°C and drops to 8°C overnight. The warmest of the three months is November, the coolest September.

How spring really feels in Katoomba

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Katoomba weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	25° / 14°	125	15.3	14	6.0
Feb	24° / 14°	144	15.4	13.3	5.9
Mar	22° / 12°	118	15.5	12.3	5.9
Apr	19° / 8°	59	9.2	11.2	6.3
May	15° / 6°	49	6.4	10.3	5.3
Jun	12° / 4°	59	7.6	9.8	3.7
Jul	12° / 3°	35	6.1	10	3.6
Aug	14° / 3°	47	6.4	10.7	4.4
Sep	17° / 5°	52	8.3	11.8	5.9
Oct	20° / 8°	76	10.6	12.8	6.3
Nov	22° / 10°	111	13.9	13.7	6.1
Dec	24° / 12°	117	13.3	14.2	6.4

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Katoomba gets around 239 mm of rain over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 10 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 18 min in early September to 14 h 06 min by late November. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.7 kWh/m².

Planning a trip in spring

Hazard calendar for Katoomba

In seasonPeak

In spring, Katoomba overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Katoomba's rainy season runs October–March, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Katoomba?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.1

Sightseeing

2nd-best month of the year

2.9

Beach & pool

2nd-best month of the year

spring is a reasonable time to visit Katoomba for sightseeing.

What to pack for Katoomba in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Katoomba sees daytime highs around 20°C and nights near 8°C. Pack rain gear and sun protection. Worth having: light clothes and a warm layer. About 33 days see rain.

rain gearsun protectionlight clothesa warm layer

UV index in Katoomba in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Katoomba peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	12	9	6	4	2	3	4	6	9	10	12
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	9	Very high
Apr	6	High
May	4	Moderate
Jun	2	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	6	High
Oct	9	Very high
Nov	10	Extreme
Dec	12	Extreme

Air quality in Katoomba in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Katoomba is worst in December — around 49 µg/m³ PM2.5 (poor), about 12.5× the cleanest month (July, 4 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	11	5	6	9	14	8	4	5	6	7	21	49
Level	Good	Good	Good	Good	Moderate	Good	Good	Good	Good	Good	Moderate	Poor

	PM2.5 (µg/m³)	Level
Jan	11	Good
Feb	5	Good
Mar	6	Good
Apr	9	Good
May	14	Moderate
Jun	8	Good
Jul	4	Good
Aug	5	Good
Sep	6	Good
Oct	7	Good
Nov	21	Moderate
Dec	49	Poor

Location & terrain

Where is Katoomba?

Katoomba sits at 33.7°S, 150.3°E, 0 m above sea level, in Australia. The nearest listed city is Blue Mountains, 2.0 km away.

Topography around Katoomba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Katoomba.

Within 3 km, the terrain around Katoomba has large variations in elevation — a maximum elevation change of 724 m around an average of 850 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,002 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,382 m.

The land around Katoomba is covered by trees (91%) within 3 km, trees (90%) within 16 km, and trees (72%) and grassland (22%) within 80 km.

3 km

724 m

trees 91%

16 km

1,002 m

trees 90%

80 km

1,382 m

trees 72%

treesgrasslandartificial surfaceswater

← Winter Katoomba year-round climate Summer →

Spring weather nearby: Blue Mountains 2.0 km · Glenmore Park 34 km · Cranebrook 37 km · St Clair 45 km · Mount Druitt 47 km · Quakers Hill 53 km · Blacktown 57 km · Prestons 58 km

Australia travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type I; 230 V · 50 Hz
Prices: ≈ 90% of US; price level, 2025
GDP per capita: $65,130; 2025
Happiness: 6.9 / 10; World Happiness, 2025
Homicide rate: 0.9; per 100k, 2023
Road deaths: 4.9; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Katoomba (-33.7198°, 150.3074°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.