Statistics Burlington Executive Airpark 2019-2023

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

Calculated from historical METAR data of John C. Munro Hamilton International Airport (CYHM) between 2019 and 2023.

VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	51.3	27	60	53	54	53
February	60.5	51	63	59	63	54
March	67.6	56	64	86	56	73
April	73.8	73	80	80	84	63
May	81.4	85	81	90	83	68
June	86.2	74	92	90	93	88
July	86.7	81	93	76	92	89
August	85.2	75	79	86	86	89
September	83.1	80	80	85	81	84
October	73.3	72	85	56	79	74
November	69.1		70	78	76	60
December	52.9		38	59	55	50
Average	74.4	68.8	75.9	76.2	76.8	72.1

89th 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	77.9	68	78	86	79	85
February	80.7	83	84	79	81	78
March	83.1	74	76	97	79	90
April	87.4	85	94	89	94	82
May	89.2	95	90	93	91	76
June	93.5	84	96	94	97	97
July	93.7	87	99	88	99	97
August	95.5	92	95	96	96	97
September	92.5	94	88	93	95	94
October	86.7	92	91	71	96	87
November	87.8		85	89	89	91
December	78.2		75	79	84	73
Average	88.0	85.9	88.4	88.4	90.4	87.6

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	-1.2	1	-4	0	1	-3
February	1.0	3	0	-2	1	0
March	5.2	4	6	10	7	4
April	11.5	14	11	13	10	11
May	19.0	19	20	19	17	17
June	24.2	23	25	26	26	23
July	26.9	26	27	25	29	28
August	25.6	24	27	27	27	25
September	22.1	22	22	22	21	22
October	15.3	16	15	17	14	15
November	7.3		10	8	11	4
December	2.0		2	4	3	2
Average	13.6	15.2	13.9	14.0	13.8	12.3

43rd 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	-7.1	-3	-12	-5	-4	-10
February	-7.4	-5	-9	-10	-5	-8
March	-4.7	-3	-3	-2	-1	-6
April	1.9	3	2	2	1	2
May	7.8	7	10	7	7	7
June	13.7	14	13	15	14	13
July	16.5	16	16	16	18	17
August	15.8	15	16	17	16	15
September	12.5	13	12	12	11	13
October	6.8	8	4	10	5	7
November	-1.8		1	0	2	-2
December	-4.2		-3	-2	-3	-4
Average	4.8	6.5	4.2	5.1	4.9	3.7

456th 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	32.2	37	36	20	25	37
February	31.8	23	41	32	28	39
March	21.8	28	27	8	18	19
April	18.1	20	17	15	18	18
May	12.7	8	15	9	15	17
June	7.7	15	7	6	3	7
July	5.6	10	4	9	3	6
August	4.2	8	5	2	5	3
September	5.8	6	11	6	5	5
October	13.9	12	9	19	15	15
November	18.1		18	16	14	14
December	26.8		39	22	25	33
Average	15.3	16.0	17.2	12.6	13.4	16.2

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	10.2	9	10	9	9	12
February	11.7	13	12	11	11	13
March	11.2	11	12	11	11	10
April	10.9	10	10	9	11	12
May	9.4	8	10	9	10	9
June	8.7	8	8	9	9	8
July	7.4	7	8	8	7	7
August	7.8	8	8	7	8	8
September	8.3	8	8	9	10	9
October	9.8	9	9	9	10	11
November	10.2		11	9	11	10
December	10.0		11	10	10	11
Average	9.5	8.9	9.5	9.0	9.7	9.7

43rd 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°	263°	289°	262°	276°
February	246°	248°	260°	259°	267°
March	288°	277°	259°	296°	252°
April	255°	267°	295°	292°	319°
May	016°	036°	296°	329°	354°
June	025°	259°	234°	247°	275°
July	242°	252°	324°	252°	234°
August	281°	241°	236°	254°	243°
September	007°	271°	251°	221°	220°
October	236°	226°	003°	249°	271°
November		237°	241°	238°	253°
December		257°	238°	252°	255°

Prevailing wind direction

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