Statistics Mayo Airport 2019-2023

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

Calculated from historical METAR data of Mayo Airport (CYMA) between 2019 and 2023.

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VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	81.8	76	64	81	91	86
February	85.1	81	79	92	84	84
March	90.9	88	81	88	88	98
April	94.7	87	98	97	92	98
May	95.0	91	91	97	95	100
June	96.9	94	100	100	95	96
July	92.7	93	87	97	93	90
August	93.5	92	93	95	88	98
September	90.4	77	89	94	93	89
October	76.3	73	76	77	72	67
November	72.5	68	75	74	83	74
December	79.8		52	79	88	83
Average	89.5	85.4	85.9	91.3	89.4	90.5

15th 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	91.7	94	81	90	94	94
February	91.6	93	81	94	89	95
March	94.6	94	89	90	93	100
April	97.3	93	98	98	95	99
May	98.6	97	97	100	98	100
June	98.7	97	100	100	100	97
July	97.3	98	96	99	98	92
August	97.0	97	93	99	94	99
September	95.2	91	94	97	97	92
October	91.1	93	90	89	88	86
November	89.0	89	94	85	92	87
December	91.3		75	90	97	91
Average	95.4	94.6	92.8	95.5	95.0	95.0

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	-16.7	-8	-17	-10	-25	-17
February	-16.7	-13	-13	-19	-14	-17
March	-4.3	-5	-2	-6	-7	4
April	5.8	5	4	5	5	8
May	15.8	17	14	14	17	19
June	21.3	21	23	23	19	22
July	23.6	28	23	24	20	24
August	20.0	23	20	19	19	19
September	13.3	12	14	12	13	15
October	2.7	2	4	4	-1	2
November	-11.2	-6	-9	-10	-14	-9
December	-16.7		-19	-22	-13	-15
Average	3.9	6.7	4.2	2.8	1.6	4.7

433rd 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	-25.5	-17	-26	-19	-34	-27
February	-28.6	-25	-24	-31	-27	-29
March	-18.7	-17	-13	-20	-21	-11
April	-7.9	-4	-8	-9	-7	-4
May	3.4	3	2	3	4	5
June	9.5	9	10	10	9	10
July	11.1	13	11	10	10	12
August	8.7	10	10	9	9	6
September	2.4	3	3	3	3	3
October	-5.1	-5	-4	-2	-8	-5
November	-19.3	-13	-17	-19	-24	-17
December	-24.2		-27	-31	-22	-24
Average	-7.1	-5.9	-7.8	-8.2	-9.2	-7.3

98th 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	28.6	26	30	28	24	34
February	22.9	35	32	25	21	6
March	18.1	19	21	27	26	2
April	6.7	16	3	7	11	3
May	8.0	9	13	8	6	3
June	8.4	13	6	2	12	7
July	5.9	3	13	3	12	2
August	10.0	7	7	11	14	5
September	9.1	10	8	10	13	13
October	25.1	31	35	27	22	24
November	31.3	21	25	45	31	35
December	26.5		35	28	29	34
Average	14.1	15.1	15.6	14.8	16.4	10.9

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	3.0	3	5	3	3	2
February	2.7	3	4	3	3	2
March	4.3	4	5	4	5	4
April	5.5	6	6	5	5	5
May	4.8	4	4	5	6	6
June	3.9	4	4	4	4	4
July	3.3	3	3	3	4	4
August	3.5	3	4	3	3	4
September	3.8	4	4	5	4	4
October	4.1	5	5	4	4	4
November	3.4	5	4	5	3	3
December	3.0		3	2	4	3
Average	3.9	3.9	4.1	3.9	3.9	3.9

433rd 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	034°	021°	038°	358°	038°
February	035°	036°	060°	051°	033°
March	038°	025°	017°	300°	074°
April	024°	038°	034°	310°	043°
May	173°	015°	041°	042°	039°
June	287°	022°	315°	331°	354°
July	239°	272°	276°	277°	324°
August	233°	254°	263°	062°	268°
September	070°	093°	042°	048°	046°
October	038°	010°	052°	021°	022°
November	017°	011°	015°	021°	018°
December		007°	018°	012°	004°

Prevailing wind direction

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