Mount Isa Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Mount Isa Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	26.812499999999996	21.1		36.68125	25.7
	26.44375	20.2		35.91875	29.3
	26.306250000000006	23.3		35.98125	31.4
	26.325	24.2		35.831250000000004	31.2
	26.275	22.4		35.7	31.6
	25.95	24		35.3875	33.8
	25.893749999999997	24.6		34.99375	33.6
	26.062500000000007	25.2		35.449999999999996	33.8
	26.187499999999996	26.2		35.7	34.1
	26.918750000000003	25.6		36.36875	35.4
	26.799999999999997	26.2		35.86875	37.4
	26.693750000000005	27.3		36.18125	38
	26.86875	28.8		36.28124999999999	39.8
	26.681250000000002	30.1		36.21875	36.3
Jan.	26.49375	25.9		35.59375	34.6
	26.524999999999995	23.5		35.70625	26.7
	26.26875	24.5		35.15625000000001	29.8
	25.837499999999995	27.5		35.3375	36.8
	25.749999999999996	28.3		35.55	38.1
	26.518749999999994	26.4		35.118750000000006	39.2
	25.98125	27.5		35.793749999999996	38.3
	26.275000000000002	24.9		35.83125	36.6
	26.587500000000002	27.5		36.19375	36.5
	26.750000000000004	27.3		36.38125	36.7
	26.6125	26.6		36.18750000000001	36.4
	26.406250000000007	26.3		35.89375	36.4
	26.337499999999995	24.3		35.050000000000004	32.4
	25.724999999999998	23.5		35.306250000000006	34.6
	26.09375	25.7		34.4375	35.7
	25.568749999999998	25.6		34.20625	36.9
	25.550000000000004	25.8		34.06875	35.9
	25.674999999999997	25		34.225	36.1
	24.962500000000002	26.9		33.05	36.2
	23.599999999999994	24.9		31.85625	34.4
	23.125	24.3		32.393750000000004	33.4
	23.59375	27.2		33.24375	33.5
	24.131249999999998	26.1		32.550000000000004	34.5
	24.306250000000002	26.4		32.86875	33.6
	24.481250000000003	25.8		33.6625	34.6
	24.956249999999997	27.5		33.9125	35.6
	24.643749999999997	29		34.5875	34.2
	24.73125	26.2		35.1125	35.4
	24.90625	25.9		35.9375	31.5
	25.275000000000002	26.6		36.131249999999994	34.7
	25.2	25		35.78125	33.2
Feb.	25.406250000000004	23.8		35.55	32.5
	25.256249999999998	27.3		34.456250000000004	33.8
	25.218749999999996	26.3		34.1875	32.4
	24.70625	26.5		34.55	35.2
	25.375	24.8		34.85	32
	25.24375	25.4		35.62500000000001	30.7
	25.15625	22.6		35.481249999999996	25.6
	24.89375	23.6		34.5625	26.1
	25.01875	23.4		34.2625	25.3
	25.13125	24.3		34.2625	31.3
	25.043749999999996	25.5		34.1875	32.3
	24.956250000000004	24.5		34.21875	31.4
	25.431250000000002	23		34.275	24.5
	25.675000000000004	23.1		35.175	31.2
	25.656249999999996	25.8		34.65625	32.6
	25.093750000000004	25.6		33.775000000000006	32.6
	24.5875	24.6		33.2	32.8
	24.6625	24.2		33.66875	31.3
	25.0125	24.3		34.28125	32.6
	24.78125	24.7		34.1375	34.1
	23.94375	25.5		33.275	35
	23.425	25.8		32.2125	35
	23.74375	25.4		32.53125	34.1
	23.937500000000004	24.5		33.0375	33.2
	24.50625	25.3		33.175	33.4
	24.675000000000004	25.1		34.09375	34.2
	24.3125	23.5		33.493750000000006	28.6
	23.756249999999998	23.7		33.93125	30.1
Mar.	23.474999999999998	23.6		33.93750000000001	31.1
	23.749999999999996	25.4		33.7875	30.5
	23.9	25.7		34.3375	31
	24.08125	24.2		34.0375	31.1
	23.887500000000003	26.2		33.89375	29.6
	24.21875	25.9		33.65625	33.6
	24.28125	24.8		33.31249999999999	33.1
	24.24375	24.6		33.0625	32.5
	23.8625	24.3		33.11875	32.6
	23.46875	24.3		32.53125	33
	23.281250000000004	24.7		32.318749999999994	33.2
	23.325000000000003	25.5		32.45	33.7
	23.04375	25.7		33.175	33.3
	23.4375	18.2		33.4625	28
	23.943749999999994	17.6		33.537499999999994	29
	23.875	20.5		33.512499999999996	32.2
	23.087499999999995	24.6		32.18124999999999	32
	22.349999999999998	26.5		31.718750000000004	34.2
	22.18125	24.9		31.54375	33.7
	22.143749999999997	23.6		32.4875	33.2
	22.799999999999997	24		32.87500000000001	33.2
	22.4875	23		32.46875	32.5
	22.231250000000003	23.1		32.325	32.9
	22.35	22.8		32.30625	32.2
	21.937499999999996	22.9		32.168749999999996	32.9
	21.8125	23.4		32.3375	33.2
	21.93125	24.1		32.49999999999999	33.2
	21.15625	24.4		31.462500000000002	33.8
	20.337500000000002	20.5		31.14375	29.8
	20.4875	17.1		31.675	29.1
	21.05	17.8		32.050000000000004	30.2
Apr.	21.418750000000003	19.4		32.375	32
	21.774999999999995	22.5		31.281249999999996	29.1
	20.856250000000003	22.5		31.10625	31.1
	20.806250000000002	23.4		31.287499999999998	32
	20.793750000000003	23.4		31.39375	32.2
	20.581249999999997	21.1		31.0875	30.1
	20.181250000000002	21.3		31.0625	29.2
	20.5625	21.7		30.875	29.1
	19.987499999999997	20.4		30.224999999999998	28.8
	20.1375	19.5		30.55	27.3
	20.0875	19.2		29.625	27.2
	19.900000000000002	19.5		29.1625	27.6
	19.4625	18.1		28.999999999999996	27.2
	18.662499999999998	19.5		29.2125	28
	18.799999999999997	20.7		29.0625	28.2
	18.662499999999998	21.9		29.037499999999994	28.5
	18.43125	20.9		28.962500000000002	29.5
	18.937499999999996	22		29.268750000000004	30.6
	18.999999999999996	22.9		29.16875	31.4
	18.693749999999998	20.1		28.793750000000003	28.2
	18.39375	19.8		28.25	27.2
	17.09375	17.2		27.687500000000004	26.2
	16.75625	16.8		28.0375	24.7
	17.112499999999997	16.9		28.243750000000002	25.7
	17.525	14.7		28.187500000000004	25.3
	17.38125	17.5		27.243750000000002	28.1
	16.65625	18		26.468750000000004	22.2
	16.025	18.7		26.175000000000004	27.5
	15.6625	20.3		26.375000000000004	26.8
	15.787500000000001	19.9		26.51875	26.5
May	15.94375	19.2		26.5875	28.2
	16.275	21.2		26.112499999999994	29.2
	16.58125	20.3		26.406250000000004	26.8
	16.8875	18.9		26.850000000000005	23.5
	16.85625	17.1		26.900000000000002	23.6
	16.937499999999996	14.9		26.868750000000002	23.1
	16.399999999999995	14.8		26.562500000000004	22.7
	16.112499999999997	14.4		25.856249999999996	24.5
	15.912500000000001	15.9		25.956249999999997	26.1
	16.1625	18.7		26.2125	27.4
	16.375	18.1		25.912499999999998	25.3
	16.062499999999996	13.7		25.737499999999994	22.1
	15.225000000000001	13.2		25.48125	21.5
	15.2	12.6		25.681249999999995	21.5
	14.71875	13.6		24.474999999999998	23
	14.43125	14.3		25.006249999999998	24.6
	14.55	15.8		25.137500000000003	25.2
	14.575	15.5		24.6625	26.1
	14.187500000000002	17.5		24.5	28
	13.687500000000002	18.3		24.012500000000003	27
	12.956249999999999	15.9		23.587499999999995	24.7
	13.175	12.5		23.768749999999997	21
	13.487499999999999	10.4		23.8125	19.9
	13.587499999999999	10.6		23.956250000000004	21.1
	13.537500000000001	12.6		24.2625	23.9
	13.299999999999999	15.7		23.206250000000004	26.6
	12.875	19.5		23.087500000000002	27
	13.412500000000001	18.7		23.562500000000004	27.8
	13.66875	18.1		23.75	26.3
	13.331249999999999	17.5		23.89375	26.5
	13.01875	17.1		23.90625	25.4
Jun.	13.456249999999999	17		24.812500000000004	25.6
	13.71875	17		24.512499999999996	25.6
	13.306250000000002	16		24.056250000000006	26.3
	12.762499999999998	19.6		23.293749999999996	27
	12.29375	13		22.987500000000004	17.8
	12.500000000000002	11		23.275	19.6
	12.356250000000001	11.4		23.499999999999996	20.6
	12.16875	11.8		23.875	21.2
	12.38125	13		23.94375	22.7
	12.506250000000001	13.8		23.518749999999997	23.2
	12.525000000000002	14.1		23.2125	23.7
	12.593750000000002	14.8		23.55625	23.8
	12.887500000000001	16.7		24.500000000000004	24.5
	13.768749999999999	17.7		24.20625	25.6
	13.1125	20.5		23.199999999999996	26.5
	13.11875	18.5		23.037500000000005	26.5
	12.749999999999998	21.1		23.13125	27.8
	12.5625	21.1		21.8125	27.4
	12.050000000000002	21.2		22.05625	25.9
	12.456249999999999	18.1		23.33125	26.2
	12.674999999999999	14.3		23.59375	23.1
	12.61875	13.1		23.05625	23.9
	12.131250000000001	15.7		21.993750000000006	25.2
	11.975	17.9		22.987499999999997	25.4
	12.575	16.4		23.475000000000005	24.3
	12.725	15.5		23.212500000000002	23.8
	12.48125	14.4		24.25	22.8
	12.875000000000002	13.3		24.681250000000002	22.5
	12.89375	13.4		24.356250000000003	22.9
	12.54375	12.2		23.212500000000002	21.8
Jul.	11.93125	11.9		22.781250000000007	22.5
	11.825000000000003	12.1		22.562500000000004	21.6
	11.281250000000002	11.9		22.76875	21.5
	11.606250000000001	12.1		22.83125	22.4
	11.462499999999999	13.6		22.587500000000002	23.3
	11.112499999999999	12.3		22.725	24.5
	10.9625	16.2		22.95	25.1
	11.10625	17		23.5625	25
	11.812500000000002	17.5		23.949999999999996	24.9
	12.26875	14.1		24.937499999999996	22.7
	13.399999999999997	11.5		25.668750000000003	20.7
	14.393749999999997	8.3		25.69375	19.5
	14.38125	8.4		25.668749999999996	22.8
	14.318749999999998	11.9		25.425	23.9
	14.375	13.1		25.662499999999998	23.7
	13.79375	12.9		25.71875	24.2
	13.9875	12.3		25.387500000000003	24.3
	13.625000000000002	13.2		25.20625	24.5
	13.468749999999998	13.7		25.287499999999998	24.9
	13.6375	16.2		23.90625	24.9
	12.29375	16		23.80625	25.7
	13.16875	15.8		24.65	25.7
	13.618750000000002	16.1		24.856250000000003	25.9
	13.40625	16.3		25.1	26.7
	12.962499999999999		16.6	24.9875		27.7
	12.650000000000002		18	25.318749999999994		31
	13.50625		13.5	26.206249999999997		23.7
	13.450000000000001		13.6	25.68125		29.1
	13.60625		15.4	24.968750000000004		24.4
	12.98125		10.1	25.3375		22.7
	13.193749999999998		10.6	26.39375		22.9
Aug.	13.993749999999999		11.7	26.49375		23.8
	14.274999999999999		10.9	27.0625		22.5
	14.687499999999998		14.9	27.318749999999998		27.7
	14.84375		15	27.14375		27.3
	14.34375		14.4	26.00625		26.5
	13.33125		13.5	25.968750000000004		26.3
	13.593750000000002		13.9	26.881250000000005		27.6
	14.450000000000001		15.1	28.03125		28.4
	15.731250000000001		15.9	28.45		28.7
	15.049999999999999		15	27.25625		27.4
	14.63125		14.6	26.818750000000005		27.2
	14.443750000000001		14.9	26.643750000000004		27
	14.525		14.5	26.775000000000002		27.1
	14.374999999999996		14.7	27.087500000000002		27.8
	14.999999999999998		15.7	28.187500000000004		29
	15.7		16.5	28.51875		29.1
	16.4375		16.6	29.13125		29.1
	17.099999999999998		17	29.475		29.7
	17.275		17.2	29.04375		29.1
	16.625000000000004		16.8	28.8875		29.1
	16.04375		16.4	28.481250000000003		28.7
	16.0625		16.3	28.1125		28.5
	16.8375		17.1	29.1375		29.6
	17.306250000000002		17.7	30.250000000000004		30.1
	18.0125			30.187500000000004
	17.23125			29.14375
	16.893750000000004			29.31875
	16.7375			29.425
	17.06875			30.40625
	18.225			31.2
	18.399999999999995			30.506249999999998
Sep.	18.293750000000006			31
	18.23125			30.562499999999996
	18.00625			30.662500000000005
	18.487500000000004			31.6
	18.8375			31.049999999999997
	18.84375			31.474999999999998
	18.9625			30.637500000000003
	18.24375			31.193749999999994
	18.55			31.268749999999997
	19.175			31.662499999999998
	19.706249999999997			31.975
	20.093750000000004			32.425
	20.7625			32.99375
	20.6375			32.50625
	20.806250000000002			33.13125
	20.256249999999998			32.525
	19.90625			32.25
	20.175			32.38125
	20.756249999999998			32.9875
	21.0375			32.737500000000004
	20.556250000000006			32.30625
	21.15625			33.06875
	21.700000000000003			34.325
	22.450000000000003			34
	21.75			34.00625
	22.1			34.59375
	22.337499999999995			34.38125
	21.768749999999997			33.78125
	22.34375			34.581250000000004
	21.43125			32.975
Oct.	20.900000000000002			32.481249999999996
	21.39375			32.48125
	21.493750000000006			33.34375
	21.637500000000003			33.699999999999996
	22.668750000000003			34.581250000000004
	23.243750000000002			35.06875
	23.462500000000002			34.90625
	23.3125			35.5
	23.156250000000004			35.10625
	23.468750000000004			35.3125
	23.8875			35.69375
	23.6			35.681250000000006
	23.7125			35.69375
	24.03125			35.356249999999996
	24.34375			35.50625
	24.15			35.98125
	24.075			36.143750000000004
	23.5625			35.15625000000001
	23.01875			34.29375
	23.462500000000002			34.4
	23.593749999999996			35.40625
	24.056250000000002			36.006249999999994
	24.71875			36.39375
	24.331250000000004			36.0125
	24.256249999999998			35.300000000000004
	24.631249999999994			35.387499999999996
	24.3875			35.087500000000006
	24.556250000000002			35.5125
	24.643750000000004			35.24375
	25.10625			35.0875
	24.3			35.025
Nov.	23.543750000000003			34.3625
	23.956250000000004			35.775
	24.625			35.81250000000001
	25.043749999999996			36.243750000000006
	25.5			35.725
	25.412499999999998			35.88125
	25.681249999999995			35.724999999999994
	25.58125			35.362500000000004
	25.474999999999998			36.025
	25.668750000000003			35.06875
	25.4625			35.85
	25.48125			36.46874999999999
	25.875000000000004			36.13125
	25.050000000000004			35.0875
	25.506249999999998			34.925000000000004
	25.200000000000003			35.50625000000001
	24.3			35.475
	25.662499999999998			35.98125
	26.024999999999995			36.46875000000001
	26.087500000000002			36.54375
	26.087500000000002			36.856249999999996
	25.7625			36.8125
	25.843749999999996			37.23125
	26.4375			37.5375
	26.95			37.78125000000001
	26.875000000000004			37.30625
	26.793750000000003			37.33124999999999
	26.4875			36.68749999999999
	26.025000000000006			36.837500000000006
	25.343750000000004			37.0375
Dec.	25.76875			37.40625
	26.94375			37.73125
	26.068749999999998			36.66250000000001
	26.575000000000003			36.15625000000001
	26.61875			35.95625
	26.3375			35.725
	26.275			35.83125
	26.23125			35.5125
	25.525000000000002			34.775
	25.5375			35.3125
	26.1			35.33125
	25.562500000000004			35.131249999999994
	25.4625			34.318749999999994
	25.64375			34.31875
	25.825000000000003			34.387499999999996
	26.237499999999997			35.2375
	26.819999999999997			36.693333333333335

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

40°C

Highest Temp

13 Jan. 26

8°C

Lowest Temp

26 Jul. 26

Seasonal Breakdown

Hottest MonthJanuary34.61°C

Coldest MonthJuly14.35°C

Wettest MonthFebruary10mm

Windiest MonthJuly29.72km/h

Mount Isa Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Mount Isa historically?

December is historically Mount Isa's hottest month, with average maximum temperatures around 36°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2023-12-30.

2. What is the coldest month in Mount Isa historically?

July is Mount Isa's coldest month, with average minimum temperatures around 13°C. The all-time record low of 6°C was recorded on 2019-06-24.

3. What is the average annual rainfall in Mount Isa over the past 17 years?

Mount Isa's average annual rainfall is approximately 467.2mm, based on records spanning 17 years.

4. How many rainy days does Mount Isa experience on average per year?

Mount Isa historically records approximately 74.8 rainy days per year. February has the highest number of rain days at an average of 14 days.

5. What is the all-time highest temperature ever recorded in Mount Isa?

The all-time highest temperature recorded in Mount Isa is 43°C on 2023-12-30.

6. What is the all-time lowest temperature ever recorded in Mount Isa?

The all-time lowest temperature recorded in Mount Isa is 6°C on 2019-06-24.

7. What is the windiest time of year in Mount Isa historically?

Mount Isa experiences its strongest winds during September. The historic gust record of 63 kph was recorded on 2025-12-29.

8. What is the highest and lowest humidity in Mount Isa during a year?

Usually, Mount Isa's humidity peaks in February at around 45.4% and drops to its lowest in October at approximately 25.2%.

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Mount Isa Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Mount Isa Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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Mount Isa Historic Weather RecordsAnalyse hottest, coldest, windiest & wettest days

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Mount Isa Historic Weather Records
Analyse hottest, coldest, windiest & wettest days