Weather in Montréal

Calculated from weather data of Montreal / Pierre Elliott Trudeau International Airport (CYUL) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-4.4	-3.6	-2.8	-8.2	-4.7	-2.1
February	-2.8	2.2	-2.5	-3.6	-4.6	-2.8
March	3.4	6.2	3.5	3.2	5.9	5.0
April	11.5		13.8	11.1	14.4	10.1
May	19.9		20.6	22.0	20.1	19.3
June	24.6		24.6	23.8	26.8	25.3
July	27.4		26.8	27.1	25.1	29.3
August	25.9		24.1	26.3	28.1	25.1
September	21.7		23.1	20.3	21.8	19.8
October	15.0		16.3	16.0	15.9	13.3
November	5.7		5.7	8.4	6.0	9.4
December	-1.8		2.1	2.5	1.3	1.1
Average	11.2	2.0	13.2	13.0	13.3	12.9

88th highest temperature of Canada

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-11.6	-8	-7	-18	-9	-8
February	-10.5	-6	-10	-11	-11	-9
March	-5.8	-1	-3	-5	-4	-3
April	2.4		3	2	4	1
May	9.3		9	11	10	9
June	15.0		15	15	17	15
July	18.4		19	18	17	20
August	17.4		16	18	20	17
September	13.0		14	12	14	11
October	7.1		10	6	9	6
November	-1.0		-1	2	0	1
December	-7.5		-3	-3	-7	-5
Average	3.1	-5.0	5.2	4.3	5.0	4.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	8	10	16	17
25 °C or warmer	0	62	65	74	71
20 °C or warmer	0	132	123	136	115
0 °C or colder	64	114	112	120	127

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	39.3	40	47	40	33	33
February	30.1	19	34	37	31	34
March	23.0	24	28	32	10	20
April	21.9		19	21	19	17
May	11.2		11	11	6	5
June	10.9		13	15	9	4
July	6.7		12	5	5	6
August	8.1		12	10	6	12
September	9.0		7	17	7	9
October	16.4		21	8	19	19
November	21.1		15	26	15	13
December	30.4		37	31	22	29
Average	18.9	27.4	20.0	19.7	13.9	15.3

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	17.6	19	17	16	15	16
February	19.5	17	19	22	17	20
March	20.0	20	20	20	21	20
April	20.3		20	21	19	22
May	17.7		19	16	18	18
June	17.3		14	18	19	18
July	15.9		14	19	15	16
August	15.2		15	14	16	15
September	14.8		14	14	16	16
October	16.7		16	15	15	16
November	17.9		18	17	16	19
December	17.5		15	20	18	18
Average	17.6	18.8	16.6	17.6	17.0	17.8

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	NW	NW	NW	W	W
February	SW	W	W	W	W
March	NW	W	W	W	W
April		SW	NW	NW	NW
May		W	S	W	W
June		NE	SW	SW	SW
July		SW	SW	SW	SW
August		SW	W	SW	SW
September		W	NW	SW	SW
October		SW	S	NE	SW
November		SW	SW	W	SW
December		N	NW	W	SW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Montréal weather Q&A

What is the warmest month in Montréal?

The warmest month is July with an average temperature of 27 °C over the past years.

What is the coldest month in Montréal?

The coldest month is January with an average daytime temperature of -4 °C in the past few years.

Which month is the wettest in Montréal?

Chance of precipitation is the highest in January with a probability of around 39.3 %.

Which month is the driest in Montréal?

The least rainfall and snow can be expected in July. The probability is about 6.8 %.