Statistics Calgary International Airport 2019-2023

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

Calculated from historical METAR data of Calgary International Airport (CYYC) between 2019 and 2023.

VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	84.2	87	91	85	86	82
February	76.5	74	73	82	88	72
March	79.8	68	80	91	76	90
April	80.2	81	77	86	80	89
May	84.1	83	91	80	86	67
June	89.4	82	86	96	88	87
July	86.9	76	87	77	95	87
August	83.6	83	97	81	100	82
September	80.9	79	91	95	90	73
October	84.6	75	89	89	77	94
November	82.5	96	80	92	85	75
December	83.5		76	78	86	80
Average	83.3	80.1	85.3	86.0	86.4	81.6

19th 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	2023	2022	2021	2020	2019
January	90.4	91	95	90	94	88
February	86.4	86	84	91	96	83
March	87.7	82	88	96	84	93
April	90.4	91	86	93	92	97
May	94.1	88	98	93	99	89
June	97.1	94	95	99	98	98
July	95.1	89	96	91	98	96
August	93.8	93	99	94	100	94
September	92.2	88	100	98	99	88
October	92.5	86	92	97	88	95
November	88.5	98	85	93	89	84
December	87.8		84	84	90	83
Average	91.8	89.6	92.3	93.5	94.2	91.1

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	2023	2022	2021	2020	2019
January	0.6	2	2	1	-3	4
February	-4.8	1	2	-7	3	-13
March	3.8	-1	7	10	2	4
April	10.1	12	8	13	9	12
May	18.3	23	16	16	16	15
June	22.1	24	20	26	20	21
July	25.2	25	26	27	23	22
August	25.5	26	28	25	26	23
September	19.2	20	23	21	21	17
October	11.7	12	17	13	8	9
November	4.7	8	0	9	6	4
December	-2.8		-7	-7	4	1
Average	11.7	13.8	12.4	12.2	11.2	9.9

120th highest temperature of Canada

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	-10.4	-7	-9	-8	-12	-8
February	-13.1	-10	-9	-16	-7	-22
March	-8.7	-11	-5	-3	-8	-8
April	-2.5	-1	-3	-2	-2	0
May	5.7	8	5	4	5	4
June	9.8	10	10	11	9	9
July	12.2	12	13	14	12	11
August	11.6	12	13	12	11	11
September	7.0	8	9	8	8	7
October	0.1	1	3	0	-1	-2
November	-6.6	-3	-9	-3	-5	-6
December	-11.6		-17	-16	-6	-8
Average	0.2	1.9	0.7	0.0	0.3	-1.2

355th lowest temperature of Canada

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2023	2022	2021	2020	2019
January	15.7	12	14	15	14	14
February	24.7	23	22	25	8	47
March	14.9	22	12	6	18	10
April	14.6	10	24	15	18	4
May	10.5	5	7	15	18	16
June	9.8	10	13	8	13	11
July	4.5	4	6	2	3	9
August	4.1	4	5	6	1	7
September	8.6	8	4	4	1	18
October	10.9	13	8	7	21	8
November	14.7	4	23	5	11	23
December	15.7		20	25	10	9
Average	11.7	10.0	12.3	10.4	11.1	13.8

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	2023	2022	2021	2020	2019
January	7.6	7	10	8	7	8
February	8.6	9	10	9	9	8
March	8.3	7	10	10	10	7
April	8.6	8	10	9	9	8
May	8.3	8	9	9	9	8
June	8.8	9	10	9	8	8
July	7.3	7	7	7	7	8
August	7.3	7	8	7	8	7
September	7.4	8	8	7	8	7
October	8.8	8	7	8	9	10
November	8.2	7	10	9	8	8
December	7.7		9	8	8	7
Average	8.1	7.7	8.7	8.3	8.3	7.9

120th 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	2023	2022	2021	2020	2019
January	299°	297°	262°	283°	294°
February	287°	315°	301°	278°	001°
March	056°	316°	256°	323°	056°
April	166°	359°	330°	312°	327°
May	162°	314°	333°	356°	070°
June	331°	349°	314°	328°	338°
July	343°	124°	114°	250°	305°
August	010°	313°	344°	230°	091°
September	220°	320°	247°	309°	018°
October	259°	265°	248°	233°	299°
November	278°	331°	255°	297°	306°
December		324°	316°	261°	263°

Prevailing wind direction

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