Statistics Montreal / Pierre Elliott Trudeau International Airport 2019-2022

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of Montreal / Pierre Elliott Trudeau International Airport (CYUL) between 2019 and 2022.

VFR conditions (%)

Month	Average	2022	2021	2020	2019
January	67.3	67	65	70	64
February	76.3	73	78	78	79
March	80.3	74	93	80	85
April	80.5	85	88	89	73
May	89.6	91	94	95	82
June	89.8	90	95	91	90
July	92.6	95	89	93	96
August	92.5	90	93	90	94
September	88.0	76	95	91	92
October	82.2	95	78	85	84
November	80.1	76	85	87	81
December	72.0	68	75	70	75
Average	83.8	83.0	86.8	85.8	84.0

38th best VFR conditions of Canada

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met:

• Visibility: 5 mi or more
• Ceiling: 3,000 ft or more

Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2022	2021	2020	2019
January	83.9	78	89	89	82
February	85.3	83	88	84	85
March	90.5	85	98	91	94
April	92.6	94	97	98	88
May	97.1	97	98	99	95
June	98.4	99	99	97	100
July	98.3	98	100	98	99
August	98.1	97	98	97	100
September	96.6	92	100	98	98
October	92.5	98	91	93	93
November	90.6	89	96	94	94
December	87.8	81	94	90	85
Average	93.4	91.9	96.1	94.4	93.3

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met:

• Visibility: 3⅛ mi or more
• Ceiling: 1,000 ft or more

Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2022	2021	2020	2019
January	-5.7	-8	-3	-2	-6
February	-2.3	-2	-3	-1	-4
March	3.0	3	6	5	2
April	11.1	11	14	10	10
May	19.8	22	20	19	17
June	24.6	24	27	25	24
July	27.5	27	25	29	29
August	26.2	26	28	25	26
September	21.5	20	22	20	21
October	14.8	16	16	13	14
November	5.7	8	6	9	3
December	-1.4	3	1	1	-1
Average	12.4	13.0	13.3	12.9	11.3

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	2022	2021	2020	2019
January	-12.5	-18	-9	-8	-14
February	-10.0	-11	-11	-9	-12
March	-5.2	-5	-4	-3	-6
April	2.2	2	4	1	2
May	9.4	11	10	9	8
June	15.0	15	17	15	14
July	18.3	18	17	20	19
August	17.5	18	20	17	17
September	12.8	12	14	11	12
October	6.7	6	9	6	6
November	-1.0	2	0	1	-4
December	-8.9	-3	-7	-5	-7
Average	4.1	4.3	5.0	4.6	2.9

459th lowest temperature of Canada

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2022	2021	2020	2019
January	37.7	40	33	33	51
February	31.4	37	31	34	30
March	22.1	32	10	20	19
April	22.4	21	19	17	23
May	11.2	11	6	5	16
June	10.5	15	9	4	11
July	5.7	5	5	6	2
August	7.5	10	6	12	6
September	9.4	17	7	9	12
October	15.5	8	19	19	14
November	22.3	26	15	13	29
December	29.2	31	22	29	30
Average	17.3	19.7	13.9	15.3	18.4

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 (knots)

Month	Average	2022	2021	2020	2019
January	9.4	9	8	9	10
February	10.8	12	9	11	12
March	10.8	11	11	11	11
April	11.0	11	10	12	11
May	9.4	9	9	10	9
June	9.7	10	10	10	9
July	8.7	10	8	9	9
August	8.2	8	9	8	9
September	8.0	8	8	9	8
October	9.1	8	8	9	9
November	9.7	9	9	10	11
December	9.7	11	10	10	10
Average	9.5	9.5	9.1	9.6	9.7

88th highest wind speed of Canada

Average wind speed

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

Prevailing wind direction

Month	2022	2021	2020	2019
January	336°	275°	287°	278°
February	263°	258°	257°	259°
March	271°	252°	257°	246°
April	294°	328°	298°	268°
May	189°	254°	261°	302°
June	229°	221°	231°	235°
July	237°	242°	224°	235°
August	255°	223°	244°	238°
September	293°	230°	223°	239°
October	196°	033°	228°	076°
November	229°	253°	240°	256°
December	330°	273°	246°	277°

Prevailing wind direction

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