Montreal Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Montreal Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-7.931249999999999	-15.2		-2.3249999999999997	-9.7
	-11.15625	-19.2		-4.093750000000001	-7.5
	-11.218749999999998	-15.8		-4.856250000000001	-11.1
	-10.925000000000004	-14.5		-2.7875000000000005	-10.3
	-11.299999999999999	-18.3		-4.393750000000001	-11
	-12.46875	-13.4		-4.725	-5.7
	-14.075	-5		-6.562499999999999	-0.9
	-13.71875	-1.6		-4.9125	0.3
	-11.243749999999999	-1.4		-3.74375	4.1
	-11.375	-3.8		-2.0375	3.7
	-9.900000000000002	-5.1		-3.3687500000000004	0.7
	-9.7375	-8.7		-2.1874999999999996	-0.8
	-11.287500000000001	-1.5		-4.2875	0.8
	-13.793750000000001	-0.6		-5.9125000000000005	2
Jan.	-13.768749999999999	-15.1		-6.456250000000001	0.7
	-13.35625	-14.3		-3.9062499999999996	-9.7
	-14.343749999999998	-9.1		-5.856249999999999	-0.5
	-12.45	-6.5		-3.6500000000000004	0.2
	-13.41875	-7.7		-4.28125	-3.9
	-14.793750000000001	-15.6		-6.349999999999999	-8.3
	-17.193749999999998	-13.1		-9.94375	-6.3
	-16.73125	-6.5		-7.812499999999999	1
	-14.037499999999998	-15.3		-5.6937500000000005	-7
	-14.593750000000004	-22.1		-5.468750000000001	-15.9
	-12.743750000000002	-20.7		-5.018750000000001	-14.3
	-12.368750000000002	-14.9		-5.737500000000001	-10.4
	-11.425	-17.7		-3.193750000000001	-9.2
	-13.0125	-17.9		-3.50625	-8.6
	-13.99375	-14.2		-6.250000000000001	-9.1
	-15.325000000000001	-21		-7.131250000000001	-14.7
	-15.956250000000002	-20.9		-6.66875	-13.9
	-13.98125	-18.3		-5.7749999999999995	-7.7
	-13.593750000000004	-20.7		-5.49375	-7.2
	-14.5	-12.1		-4.5687500000000005	-7
	-13.012500000000001	-8.9		-4.656250000000001	-4.3
	-14.774999999999999	-11.7		-4.8125	-5.8
	-14.856250000000001	-15.4		-5.45625	-5.4
	-12.893749999999999	-17.3		-4.343749999999999	-7.5
	-13.550000000000002	-22.5		-4.51875	-14
	-12.831250000000002	-20.1		-5.449999999999999	-7.6
	-10.168750000000001	-12.2		-4.50625	-4.5
	-13.318750000000003	-6.3		-4.749999999999999	-2
	-14.037499999999998	-9.8		-4.981249999999999	-2.2
	-14.18125	-17.3		-5.33125	-4
	-13.518749999999999	-8.6		-5.6125	-1.2
Feb.	-12.5375	-16		-3.6562499999999996	-5.2
	-10.61875	-8.4		-2.3	-0.2
	-12.368749999999999	-1.2		-4.8374999999999995	1.1
	-13.387500000000001	-6		-2.98125	-0.5
	-11.768749999999999	-10.1		-2.275	-0.7
	-11.08125	-9.1		-3.3312499999999994	-4.5
	-11.175000000000002	-8.7		-1.4624999999999995	-4.8
	-8.675	-12.5		-1.05625	-0.2
	-8.575	-8.5		-0.06250000000000015	-4.1
	-8.599999999999998	-13.8		-1.31875	-6.6
	-8.600000000000001	-13.5		-1.0374999999999999	-0.4
	-11.156250000000002	-13.6		-3.5375	-5
	-10.612499999999999	-9.5		-0.4625000000000003	-0.2
	-9.318749999999998	-2.9		-1.0875000000000004	3.3
	-10.23125	-10.7		-0.8624999999999998	-8.5
	-11.375	-17.5		-2.9937500000000004	-7.3
	-11.6125	-11.5		-3.1375	0.9
	-9.76875	-2.8		-2.7437500000000004	1.5
	-9.8625	-6.5		-1.9062500000000004	-1.2
	-9.20625	-8.5		-0.10624999999999984	-1.8
	-8.487499999999999	0.3		-0.8062499999999998	7.7
	-7.1875	1.7		0.7062499999999999	7.2
	-6.49375	1.2		2.05	11.4
	-5.268750000000001	1.1		2.9812499999999997	8.4
	-3.225	-2.4		2.6875	4
	-6.193749999999999	-3.9		1.3937499999999998	-1.1
	-6.81875	-5.3		1.61875	-0.4
	-4.7625	-2.4		2.6	0.9
Mar.	-4.118750000000001	-7		3.4000000000000004	-0.4
	-5.3500000000000005	0.5		2.5875	9.1
	-5.575	-9.5		3.0250000000000004	4.2
	-5.331250000000001	-11.5		3.81875	-4.1
	-5.93125	-5		3.3249999999999993	3.7
	-4.25625	-3.1		5.0249999999999995	1.2
	-3.1499999999999995	-4.5		5.2124999999999995	2.2
	-5.15625	-2.1		3.3312500000000003	0.5
	-6.05	-5.2		2.5749999999999997	0.6
	-4.8062499999999995	-5.8		3.46875	1
	-4.518750000000001	-2.3		4.45	3
	-3.9000000000000004	-2.7		3.5812500000000007	4.4
	-4.7875	-5.3		4.0375	0.9
	-2.81875	-9.8		4.875000000000001	-3.8
	-2.38125	-5.9		5.025	4
	-2.1	0.4		5.7749999999999995	11.8
	-1.3625000000000003	0.7		7.356249999999999	4
	-1.6312499999999996	0.1		6.3812500000000005	3.8
	-2.55	-0.8		7.200000000000001	6.8
	-1.06875	3.2		8.7625	11.8
	-1.4125	-0.1		7.112499999999999	7.9
	-1.71875	1.8		5.999999999999999	9.3
	-0.59375	-0.7		6.574999999999999	3.3
	-0.4437500000000001	-4.7		7.599999999999999	-0.6
	-0.6125	-6.1		7.45625	8.6
	-0.7374999999999998	0.3		8.575	19
	0.7375	4.8		10.793750000000001	12.4
	1.6187500000000001	1.3		10.174999999999997	7.4
	2.3499999999999996	-0.4		11.043750000000001	10
	3.15	5.5		13.118749999999999	15.5
	2.4375	6.1		12.774999999999999	8.9
Apr.	1.5	5.4		11.612500000000002	10.2
	1.875	6		9.893749999999999	11.9
	2.28125	6.7		11.081249999999999	19.6
	1.5875	6.7		10.643749999999999	22.9
	2.7750000000000004	1.3		11.2625	6.5
	2.5500000000000003	-0.4		10.381250000000001	3.4
	2.5875	-2.9		11.00625	11.6
	2.7437500000000004	3.3		12.08125	16.9
	1.79375	2.2		11.325000000000001	16.2
	2.3874999999999997	-0.1		12.681249999999999	12.1
	3.1687499999999997	0.7		12.5625	17.5
	3.46875	3.6		11.5125	21.2
	2.968750000000001	5.1		12.59375	25.6
	3.7875000000000005	8.7		13.83125	26.5
	4.7437499999999995	11.9		13.781249999999998	21.7
	3.98125	4.1		13.4375	10.8
	4.48125	1.9		15.012499999999998	12
	6.862499999999999	3.7		16.4625	8.3
	7.35625	2.1		14.5	11.6
	7.281249999999999	4.7		16.225	17.3
	6.725	9.9		16.49375	24.6
	6.7437499999999995	6.9		17.075	9.8
	5.9875	4.3		17.51875	12.4
	6.05625	5.6		17.01875	12.2
	6.0562499999999995	2.7		15.456249999999999	20.7
	6.331249999999999	6.5		16.393749999999997	16.3
	5.9125	5.4		15.737499999999999	12.8
	6.30625	2.6		17.8125	14.6
	7.0125	5.3		18.875	13.1
	8.65625	7.1		18.412500000000005	12.3
May	9.25625	9.8		19.25625	17.1
	9.0375	8.9		17.999999999999996	26.3
	8.5125	13.3		18.150000000000002	25.6
	8.28125	9		19.443749999999998	19.4
	8.906250000000002	14.2		18.868750000000002	29.9
	9.968749999999998	9.4		20.706249999999997	19.2
	10.875	4.4		22.0375	15.7
	11.10625	4.7		20.9375	21.1
	10.8125	7.5		20.718750000000004	23.1
	10.575	10.3		20.200000000000003	14.9
	11.124999999999998	11.9		21.443749999999998	19.5
	12.649999999999999	11.9		22.137500000000003	31.5
	11.7125	15.3		21.243750000000002	23.5
	11.962499999999999	11.7		22.7875	18.1
	12.681250000000002	9.3		21.7375	18
	12.981250000000001	8.4		23.9125	18.7
	12.306249999999999	8.5		22.100000000000005	20.1
	12.04375	7.5		21.2	23.5
	11.25	9.6		20.975	27
	11.362499999999999	11.5		20.299999999999997	31.1
	11.406250000000002	13.6		21.05625	32
	11.91875	15.5		20.900000000000002	30.7
	12.2875	18		21.724999999999998	22.9
	13.0625	15		22.03125	18.9
	13.237499999999999	12.4		22.375	27.2
	13.268749999999999	14.4		21.9625	30.8
	12.093750000000002	17.1		20.724999999999998	30.8
	12.650000000000002	21.3		21.749999999999996	30.6
	13.743749999999999	19.6		22.3125	33
	13.55	16.7		21.4625	30
	12.149999999999999	17.4		20.5875	20.6
Jun.	12.106250000000001	13.7		22.725	20.7
	12.775	11.6		22.656250000000007	25.1
	13.225	13.1		23.83125	24.7
	14.531249999999996	16.1		24.900000000000006	23.7
	14.787500000000001	15.6		25.03125	20.4
	14.931249999999999	14.1		24.925	21.6
	15.674999999999999	14.7		25.656250000000004	23.7
	15.95	14.5		25.34375	25.7
	16.125	15.5		25.1625	24.4
	16.58125	14.6		24.78125	25.8
	15.493749999999997	15.6		24.4375	28.8
	15.475000000000001	16.8		23.9375	21.7
	15.2875	14.6		24.481249999999996	28.5
	16.081249999999997	15		23.46875	28.5
	15.381250000000003	15.6		23.725	31.9
	15.843749999999998	17.3		23.9125	32.8
	16.88125	22.2		25.749999999999996	34.6
	17.1375	22.1		25.85	33.7
	16.55625	20.9		25.456249999999997	32.6
	16.3875	19.5		26.606250000000003	29.8
	17.1375	15.2		27.775	29.8
	18.056249999999995	15.8		27.662499999999998	32.3
	17.268749999999997	19.1		25.8125	32
	17	18.3		26.474999999999994	33.1
	16.825	21		25.86875	28.9
	16.968750000000004	18.1		26.075	28.9
	17.3	14.7		26.493750000000002	28
	17.2875	15.4		26.768750000000004	31.3
	17.65	16.8		27.049999999999997	31.9
	18.125	20		26.856250000000006	34.4
Jul.	17.53125	20.4		27.7	30.9
	18.34375	15.7		27.531250000000004	27.7
	18.343750000000004	12.7		27.175	28.9
	17.81875	16.5		26.356250000000003	21.4
	17.6375	14.3		26.812499999999996	25.3
	17.50625	13.5		27.2875	30.1
	17.575	16.8		26.26875	31.4
	16.525	13.8		25.7	21.5
	17.137500000000003	11.1		26.4	27.4
	17.312500000000004	15		25.80625	28.5
	16.712499999999995	15.7		25.625000000000004	32.1
	16.8625	17.4		25.84375	32
	17.493750000000002	18.5		26.506249999999998	32.4
	17.59375	18.4		26.556250000000002	27.1
	17.656249999999996	19.1		25.3875	27.3
	16.7125	18.7		25.44375	27.3
	16.5	17.8		25.5625	29.2
	16.762499999999996	18.7		25.65625	29.7
	16.73125	20.3		26.112500000000004	29.3
	17.556250000000002	17.3		26.656249999999996	24.5
	18.074999999999996	15.3		26.406250000000004	28.9
	17.037499999999998	17.5		26.456249999999997	32.8
	16.756249999999998	18.6		26.4375	31.6
	16.49375		20.7	24.7125		30.3
	16.3875		20.4	25.2375		28.7
	16.48125		19.8	26.29375		26.8
	17.200000000000003		18.6	25.81875		27.5
	17.400000000000002		19.4	26.225		27.5
	17.4875		17.6	26.15		25.1
	17.26875		14.9	25.462500000000002		23.9
	16.4875		16.9	24.75		23.2
Aug.	16.18125		16.3	24.74375		25.2
	16.343750000000004		16.8	25.518749999999997		25.9
	16.20625		16.4	25.274999999999995		25.1
	16.4625		16.6	24.662499999999998		24.9
	16.61875		16	24.912499999999998		24.5
	15.743749999999999		15.9	25.5		25.5
	16.56875		17	24.55624999999999		24.4
	16.2375		16.3	23.724999999999998		24.2
	15.325000000000001		15.6	24.0125		24.6
	15.55625		15.9	25.625		26
	16.24375		16.4	24.981250000000003		24.9
	16.262500000000003		15.9	24.46875		24.1
	15.38125		15	23.843749999999996		23.6
	15.337499999999999		14.6	23.76875		23.1
	15.475		14.8	24.231250000000003		23.4
	15.09375		15.1	23.687500000000004		23.8
	14.68125		14.9	23.775000000000002		23.2
	14.856250000000001		14.2	23.549999999999997		23.7
	15.53125		15.3	24.28125		23.8
	15.88125		15.4	23.5625		24
	14.306249999999999		14.9	23.887499999999996		23.9
	14.793750000000001		14.7	23.1625		23.3
	14.63125		14.3	23.05		23.1
	14.462500000000002			22.950000000000003
	13.781249999999998			22.599999999999998
	12.93125			21.58125
	12.456249999999997			21.187499999999996
	13.16875			22.162499999999998
	12.7			21.48125
	13.05			21.25625
	12.98125			21.3625
Sep.	12.143749999999999			20.5
	11.749999999999998			20.056250000000002
	11.543750000000003			21.875
	11.899999999999997			21.625
	11.562500000000002			19.900000000000002
	10.95			20.43125
	11.63125			21.543750000000003
	11.59375			20.731249999999996
	11.74375			20.19375
	11.08125			20.212499999999995
	11.83125			19.73125
	11.399999999999997			19.7625
	11.05625			20.7375
	12.200000000000003			20.85625
	11.012499999999998			19
	9.7125			16.974999999999998
	8.95			16.9
	8.575000000000001			16.262500000000003
	8.837499999999999			16.8
	9.425			17.48125
	8.95625			17.818749999999998
	9.7875			17.581249999999997
	9.64375			17.76875
	8.725000000000001			15.706249999999999
	7.418749999999999			14.65625
	6.80625			14.643749999999999
	7.2875			15.099999999999998
	7.03125			15.70625
	7.4875			14.681249999999999
	8.187500000000002			15.387499999999998
Oct.	7.49375			14.375000000000002
	7.5687500000000005			13.931250000000002
	6.10625			12.3125
	5.14375			11.806249999999999
	5.4125			14.1625
	6.743750000000001			13.350000000000001
	6.34375			12.68125
	6.3687499999999995			13.193750000000001
	5.59375			11.6875
	5.512499999999999			12.443750000000001
	5.25			11.418750000000001
	5.1125			10.3375
	4.750000000000001			10.749999999999998
	3.8187500000000005			10.44375
	3.4124999999999996			9.987499999999997
	3.01875			8.975000000000001
	3.5625			9.287500000000001
	3.6187499999999995			10.04375
	2.49375			9.61875
	2.4812499999999997			8.706249999999999
	1.8124999999999998			7.537500000000001
	2.3312500000000003			8.6
	3.01875			10.00625
	2.5			9.5
	1.15			6.574999999999999
	1.975			7.543749999999999
	0.8062499999999999			7.2875000000000005
	-0.0437499999999999			6.425000000000002
	0.8250000000000001			7.075
	-0.7625			5.612499999999999
	-0.9187500000000001			4.85625
Nov.	-0.6874999999999999			4.8375
	-0.7312500000000001			4.75625
	-1.125			4.63125
	-2.3750000000000004			3.16875
	-1.825			3.15
	-2.6312499999999996			3.1625
	-3.5			2.85
	-3.0812500000000003			2.63125
	-2.7187499999999987			2.2312499999999997
	-2.6125			3.0500000000000003
	-2.2999999999999994			3.2375000000000007
	-1.325			3.375
	-1.8812499999999999			2.9062499999999996
	-3.6249999999999996			1.63125
	-4.1312500000000005			0.9437499999999999
	-4.250000000000001			2.63125
	-3.0625000000000004			1.5374999999999996
	-3.0437499999999997			2.2125
	-2.625			2.63125
	-4.2375			0.6937499999999999
	-3.3625000000000003			2.062499999999999
	-3.787499999999999			1.4124999999999996
	-6.5875			-1.5
	-7.612500000000002			-2.1874999999999996
	-5.206250000000002			2.0816681711721685e-17
	-6.062500000000001			-0.19375
	-5.51875			-0.12499999999999989
	-6.512499999999999			-0.48125
	-7.337499999999999			-0.83125
	-7.7875			-1.5874999999999997
Dec.	-6.7250000000000005			-0.33125000000000016
	-8.24375			-1.9312499999999997
	-9.13125			-2.575
	-7.887500000000001			-1.96875
	-9.05625			-1.7562499999999999
	-9.599999999999998			-3.325
	-8.168750000000001			-2.7249999999999996
	-7.031249999999999			-0.9125000000000001
	-7.9875			-0.3812499999999999
	-9.10625			-3.4375
	-8.749999999999998			-3.46875
	-9.35625			-2.6250000000000004
	-10.1125			-3.875000000000001
	-8.856250000000001			-1.41875
	-9.4125			-2.89375
	-10.325000000000001			-4.1625
	-8.133333333333335			-2.7466666666666675

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

35°C

Highest Temp

1 Jul. 26

-22°C

Lowest Temp

8 Feb. 26

Seasonal Breakdown

Hottest MonthJuly29.74°C

Coldest MonthJanuary-12.15°C

Wettest MonthMarch14.96mm

Windiest MonthMay21.65km/h

Montreal 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 Montreal historically?

July is historically Montreal's hottest month, with average maximum temperatures around 27°C. During peak heatwave events, the highest recorded temperatures have reached 37°C on 2025-08-12.

2. What is the coldest month in Montreal historically?

January is Montreal's coldest month, with average minimum temperatures around -13°C. The all-time record low of -32°C was recorded on 2022-01-22.

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

Montreal's average annual rainfall is approximately 1236.02mm, based on records spanning 17 years.

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

Montreal historically records approximately 196.8 rainy days per year. October has the highest number of rain days at an average of 16.6 days.

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

The all-time highest temperature recorded in Montreal is 37°C on 2025-08-12.

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

The all-time lowest temperature recorded in Montreal is -32°C on 2022-01-22.

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

Montreal experiences its strongest winds during April. The historic gust record of 50.5 kph was recorded on 2019-11-01.

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

Usually, Montreal's humidity peaks in January at around 89.5% and drops to its lowest in May at approximately 72.1%.

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