Mount Isa weather in March

In March, Mount Isa sees average daytime highs of 34°C and overnight lows near 22°C, with 61 mm of rain across 4.5 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 57% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Mount Isa's 9th-clearest and 8th-windiest month. For the whole year in context, see Mount Isa's year-round climate.

Daytime high
34°
6th warmest
Overnight low
22°
9th coldest
Rainfall
61 mm
4.5 wet days
Daylight
12 h 06 min
6:47 AM – 6:56 PM
Cloud cover
40%
9th clearest
Wind
16 km/h
8th windiest
Solar energy
6.23 kWh/m²
Travel score
3.5
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 March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical March day in Mount Isa reaches about 34°C in the afternoon and slips back to 22°C overnight — a 12°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, March runs on par with February and about 2°C warmer than April.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173422
183422
193422
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303421
313421

How March really feels in Mount Isa

Once humidity and wind are folded in, March 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mount Isa weather by month

How March compares with the rest of the year at a glance. March is the 6th-warmest and 4th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
36040
46040
56238
66337
76436
86535
96832
106931
117030
127129
137327
147525
157525
167624
177822
187822
197822
207921
217921
227921
237921
247921
257921
267822
277822
287822
297822
307723
317723

Chance of precipitation in March

Any precipitation

Mount Isa gets around 61 mm of rain over 4.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
230
329
428
527
625
724
822
920
1019
1117
1216
1315
1414
1513
1612
1711
1811
1910
209
219
228
238
248
258
267
277
287
297
307
317

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12213181830
22214181729
32314181728
42415181626
52516181625
62716191523
72817191522
82918191420
93119181418
103319181416
113420181315
123620181313
133820171312
144020171311
15412017129
16432016128
17452015128
18472015127
19492014126
20511913116
21531813115
22541812115
23571712104
24571712104
25601611103
26611511103
2763151093
2863151093
296614982
306714982
316714982

Wind in March

Winds average 16 km/h in March.

Across March, daily wind ranges from about 16 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
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3018light breeze
3118light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 24 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over March. Sunrise moves from 6:42 AM to 6:52 AM, and sunset from 7:09 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:427:09
212.46:427:08
312.46:437:07
412.46:437:06
512.46:437:05
612.36:447:05
712.36:447:04
812.36:457:03
912.36:457:02
1012.36:457:01
1112.26:467:00
1212.26:467:00
1312.26:466:59
1412.26:476:58
1512.26:476:57
1612.16:476:56
1712.16:486:55
1812.16:486:54
1912.16:486:53
2012.16:486:52
2112.06:496:52
2212.06:496:51
2312.06:496:50
2412.06:506:49
2512.06:506:48
2611.96:506:47
2711.96:516:46
2811.96:516:45
2911.96:516:44
3011.96:516:43
3111.86:526:42

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.23 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 — March's 6.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in March

Is March a good time to visit Mount Isa?

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

3.5
Sightseeing
8th-best month of the year
7.0
Beach & pool
8th-best month of the year

March 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 March

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

In March, Mount Isa sees daytime highs around 34°C and nights near 22°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Mount Isa in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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