Katoomba weather in July

In July, Katoomba sees average daytime highs of 12°C and overnight lows near 3°C, with 35 mm of precipitation across 6.1 wet days and about 10 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 47% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of July to 10 h 18 min by month's end. Set against the rest of the year, July is Katoomba's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Katoomba's year-round climate.

Daytime high
12°
12th warmest
Overnight low
1st coldest
Precipitation
35 mm
6.1 wet days
Daylight
10 hours
8:06 AM – 6:03 PM
Cloud cover
44%
3rd clearest
Wind
11 km/h
3rd windiest
Solar energy
2.79 kWh/m²
Travel score
3.6
out of 10

Katoomba is town in New South Wales, Australia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical July day in Katoomba reaches about 12°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 15°C. Set against its neighbours, July runs on par with June and about 2°C cooler than August.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1123
2123
3123
4123
5123
6123
7123
8123
9123
10123
11123
12123
13123
14123
15123
16123
17123
18123
19123
20123
21123
22123
23123
24123
25123
26123
27123
28133
29133
30133
31133

How July really feels in Katoomba

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
28
wind chill below the day's low

The story in July is cold — wind chill drags the overnight "feels like" below the raw low.

Katoomba weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°12515.3146.0
Feb24° / 14°14415.413.35.9
Mar22° / 12°11815.512.35.9
Apr19° / 599.211.26.3
May15° / 496.410.35.3
Jun12° / 597.69.83.7
Jul12° / 356.1103.6
Aug14° / 476.410.74.4
Sep17° / 528.311.85.9
Oct20° / 7610.612.86.3
Nov22° / 10°11113.913.76.1
Dec24° / 12°11713.314.26.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66535
76535
86535
96436
106535
116535
126535
136535
146634
156634
166733
176733
186832
196832
206931
217030
227030
237129
247129
257228
267327
277327
287327
297327
307327
317426

Chance of precipitation in July

Any precipitation

Katoomba gets around 35 mm of rain and snow over 6.1 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 21% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
421
521
621
721
821
921
1021
1121
1221
1321
1421
1521
1621
1721
1821
1921
2021
2120
2220
2320
2419
2519
2619
2719
2819
2919
3018
3118

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 48 min at the start of July to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over July. Sunrise moves from 8:09 AM to 7:56 AM, and sunset from 5:56 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.88:095:56
29.88:095:56
39.88:095:56
49.88:085:57
59.88:085:57
69.88:085:58
79.88:085:58
89.88:085:59
99.98:085:59
109.98:076:00
119.98:076:00
129.98:076:01
139.98:076:01
149.98:066:02
159.98:066:03
1610.08:066:03
1710.08:056:04
1810.08:056:05
1910.08:046:05
2010.08:046:06
2110.18:036:06
2210.18:036:07
2310.18:026:08
2410.18:016:08
2510.18:016:09
2610.28:006:10
2710.27:596:10
2810.27:596:11
2910.27:586:12
3010.37:576:13
3110.37:566:13

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.79 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 6.64 kWh/m² in December across the year — July's 2.79 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in July

Hazard calendar for Katoomba

In seasonPeak

None of Katoomba's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 July a good time to visit Katoomba?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

July is a weaker month for outdoor sightseeing in Katoomba.

What to pack for Katoomba in July

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

In July, Katoomba sees daytime highs around 12°C and nights near 3°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Katoomba in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov10Extreme
Dec12Extreme

Air quality in Katoomba in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModeratePoorDec 1545 µg/m³Jul 214 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb5Good
Mar6Good
Apr9Good
May14Moderate
Jun8Good
Jul4Good
Aug5Good
Sep6Good
Oct7Good
Nov21Moderate
Dec49Poor
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
16 km
1,002 m
80 km
1,382 m
treesgrasslandartificial surfaceswater
July 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
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).