Mount Isa weather in October

In October, Mount Isa sees average daytime highs of 34°C and overnight lows near 20°C, with 12 mm of rain across 1.8 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 33°C in the first days to 35°C by the end. The sky is clear or mostly clear about 79% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Mount Isa's 4th-clearest and 6th-windiest month. For the whole year in context, see Mount Isa's year-round climate.

Daytime high
34°
5th warmest
Overnight low
20°
7th coldest
Rainfall
12 mm
1.8 wet days
Daylight
12 h 30 min
6:13 AM – 6:42 PM
Cloud cover
21%
4th clearest
Wind
17 km/h
6th windiest
Solar energy
7.29 kWh/m²
Travel score
3.8
out of 10

Mount Isa is city in Queensland, Australia.

Air quality
Good
PM10 29.5 µg/m³ · 2019
Founded
1923

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 33°C in the first days to 35°C by the end.

A typical October day in Mount Isa reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, October runs about 3°C warmer than September and about 2°C cooler than November.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13319
23319
33319
43319
53319
63419
73419
83419
93419
103419
113419
123419
133420
143420
153420
163420
173420
183420
193420
203420
213420
223520
233520
243521
253521
263521
273521
283521
293521
303521
313521

How October really feels in Mount Isa

Once humidity and wind are folded in, October averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mount Isa weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 24°10410.113.12.4
Feb35° / 24°878.912.72.8
Mar34° / 22°614.512.13.5
Apr32° / 19°141.311.55.3
May27° / 15°71118.2
Jun25° / 11°60.810.89.2
Jul25° / 10°20.510.99.4
Aug27° / 12°20.411.38.8
Sep31° / 16°60.911.95.9
Oct34° / 20°121.812.53.8
Nov36° / 22°275132.5
Dec36° / 24°627.513.22.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2919
3919
4919
5919
6919
7928
8928
9928
10928
11928
12928
13928
14928
15928
16928
17928
18928
19928
20928
21928
22928
23928
24928
25919
26919
27919
28919
29919
30919
318911

Chance of precipitation in October

Any precipitation

Mount Isa gets around 12 mm of rain over 1.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
85
95
105
115
126
136
146
156
167
177
187
197
207
217
227
237
247
257
267
277
288
298
309
319

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
193520
293520
392620
492620
592620
690730
790730
888741
987841
1086851
1186851
1286851
1385861
1485861
1585861
1685861
1786761
1886761
1986761
2086761
2186761
2286761
2386761
2486761
2585762
2685762
2785762
2885762
2983863
3082873
3182873

Wind in October

Winds average 17 km/h in October.

Across October, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:25 AM to 6:03 AM, and sunset from 6:37 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:256:37
212.26:246:37
312.26:246:37
412.26:236:37
512.36:226:38
612.36:216:38
712.36:206:38
812.36:196:39
912.36:186:39
1012.46:176:39
1112.46:176:40
1212.46:166:40
1312.46:156:40
1412.46:146:41
1512.56:136:41
1612.56:136:42
1712.56:126:42
1812.56:116:42
1912.56:106:43
2012.66:106:43
2112.66:096:44
2212.66:086:44
2312.66:086:44
2412.66:076:45
2512.76:066:45
2612.76:066:46
2712.76:056:46
2812.76:046:47
2912.76:046:47
3012.76:036:48
3112.86:036:48

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 7.29 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 7.41 kWh/m² in November across the year — October's 7.29 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in October

Is October a good time to visit Mount Isa?

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

3.8
Sightseeing
7th-best month of the year
7.5
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Mount Isa. The water and warmth also suit a beach or pool day.

What to pack for Mount Isa in October

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

In October, Mount Isa sees daytime highs around 34°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Mount Isa in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mount Isa peaks around February 8 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 8UV 16Jun 21UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Mount Isa in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mount Isa is worst in October — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (March, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1525 µg/m³Mar 1011 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb11Good
Mar11Good
Apr17Moderate
May19Moderate
Jun18Moderate
Jul17Moderate
Aug19Moderate
Sep22Moderate
Oct26Moderate
Nov20Moderate
Dec24Moderate
Location & terrain

Where is Mount Isa?

Mount Isa sits at 20.7°S, 139.5°E, 363 m above sea level, in Australia. The nearest listed city is Alice Springs, 666 km away.

Alice SpringsKirwanTownsvilleCairnsPort DouglasAirlie BeachUluruMackay

Topography around Mount Isa

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

Within 3 km, the terrain around Mount Isa has only modest variations in elevation — a maximum elevation change of 243 m around an average of 364 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, significant variations in elevation — a maximum elevation change of 433 m.

The land around Mount Isa is covered by grassland (33%), artificial surfaces (29%) and bare terrain (20%) within 3 km, grassland (80%) within 16 km, and grassland (84%) within 80 km.

3 km
243 m
16 km
341 m
80 km
433 m
treesshrubsgrasslandartificial surfacesbare terrainwater
October weather nearby: Alice Springs 666 km · Kirwan 771 km · Townsville 781 km · Cairns 783 km · Port Douglas 786 km · Airlie Beach 961 km · Uluru 1,005 km · Mackay 1,005 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 Mount Isa (-20.7252°, 139.4973°, elevation 363 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).