Climate Osoyoos Automatic Weather Reporting System 2020-2024

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

Calculated from historical METAR data of Osoyoos Automatic Weather Reporting System (CWYY) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0		0	0	0	0
May	0.0		0	0	0	0
June	0.0		0	0	0	0
July	0.0		0	0	0	0
August	0.0		0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 5 mi or more and a ceiling of 3,000 ft or more. Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0		0	0	0	0
May	0.0		0	0	0	0
June	0.0		0	0	0	0
July	0.0		0	0	0	0
August	0.0		0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 3⅛ mi or more and a ceiling of 1,000 ft or more. Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	2.0	1	3	0	5	3
February	4.2	8	5	4	4	7
March	11.5	13	11	13	14	12
April	16.7		16	15	19	18
May	24.0		27	20	24	23
June	27.0		29	25	30	25
July	32.5		33	33	35	31
August	31.4		31	34	31	31
September	24.7		25	27	25	27
October	16.2		17	20	16	15
November	7.0		8	3	8	8
December	2.2		5	-2	1	3
Average	15.6	7.4	17.3	16.5	17.5	16.9

2nd 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	-3.3	-3	-1	-5	-1	-2
February	-4.6	0	-3	-4	-3	-2
March	0.0	1	-1	2	0	-1
April	4.0		4	3	4	4
May	10.1		13	9	9	10
June	13.3		14	13	15	13
July	16.5		17	16	19	15
August	15.5		16	17	15	16
September	11.1		12	12	11	12
October	5.0		6	7	6	5
November	0.5		1	-3	2	1
December	-3.7		1	-7	-5	-1
Average	4.9	-1.4	6.5	5.4	6.1	5.7

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0		0	0	0	0
May	0.0		0	0	0	0
June	0.0		0	0	0	0
July	0.0		0	0	0	0
August	0.0		0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

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	2024	2023	2022	2021	2020
January	4.2	5	4	4	4	5
February	4.5	4	4	5	5	4
March	4.2	4	3	5	5	5
April	4.6		5	5	4	5
May	3.8		4	4	4	4
June	3.8		3	4	4	4
July	3.5		3	3	4	4
August	3.2		3	3	3	4
September	3.5		4	4	4	3
October	4.2		4	3	5	4
November	4.7		4	5	5	6
December	4.6		5	6	5	4
Average	4.1	4.3	3.8	4.0	4.1	4.2

2nd 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	2024	2023	2022	2021	2020
January	157°	171°	161°	159°	163°
February	281°	176°	182°	217°	173°
March	198°	196°	192°	175°	269°
April		176°	183°	292°	309°
May		320°	183°	331°	306°
June		319°	286°	328°	329°
July		335°	300°	327°	322°
August		337°	340°	338°	321°
September		325°	320°	162°	168°
October		271°	140°	161°	298°
November		157°	233°	156°	155°
December		156°	314°	329°	157°

Prevailing wind direction

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