Castlegar/West Kootenay Regional Airport

CYCG · British Columbia, Canada

Climate Castlegar/West Kootenay Regional Airport 2020-2024

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

Calculated from historical METAR data of Colville Municipal Airport (K63S) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 36.4 43 33 19 52
February 68.2 59 81 35 82
March 86.7 92 78 93
April 93.7 92 92 100
May 93.6 93 91 98
June 96.0 97 92 100
July 98.3 100 97 99
August 89.8 86 100 84
September 94.9 93 97 94
October 83.9 89 85 81 80
November 52.9 45 61 59 50
December 42.2 33 40 60 44
Average 70.7 50.3 79.3 80.5 85.6 58.0

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 68.6 61 71 66 82
February 85.7 84 91 70 89
March 95.3 97 91 100
April 98.5 98 98 100
May 97.8 98 98 98
June 98.6 100 97 100
July 99.1 100 98 100
August 93.2 89 100 91
September 97.8 96 99 98
October 91.8 94 94 89 89
November 81.6 79 82 84 83
December 72.9 66 83 79 68
Average 85.9 72.1 90.5 92.3 93.2 81.2

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 -1.9 -2 1 -1 2
February 2.5 4 2 0 2
March 9.8 9 10 11
April 13.9 13 12 17
May 20.4 24 17 21
June 25.9 26 24 29
July 31.9 31 31 34
August 30.5 30 33 29
September 23.3 22 26 22
October 14.7 14 19 14 12
November 3.6 3 1 6 5
December -1.6 1 -4 1 0
Average 10.5 0.9 14.6 15.5 15.9 5.8

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 -5.5 -8 -4 -4 -2
February -6.9 -2 -7 -8 -6
March -3.3 -4 -1 -2
April -1.9 0 -1 1
May 5.4 9 4 3
June 10.0 8 10 12
July 10.9 10 11 13
August 10.8 10 11 12
September 6.3 6 7 6
October 1.5 1 3 2 1
November -3.0 -4 -7 0 -2
December -7.8 -3 -10 -7 -5
Average 0.0 -5.0 1.9 2.2 2.7 -2.3

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
February 0.0 0 0 0 0
March 0.0 0 0 0
April 0.0 0 0 0
May 0.0 0 0 0
June 0.0 0 0 0
July 0.0 0 0 0
August 0.0 0 0 0
September 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 0.7 1 1 1 1
February 1.7 2 1 0 3
March 2.3 2 2 3
April 3.7 3 5 3
May 3.1 2 4 4
June 2.8 2 4 3
July 2.6 3 2 3
August 2.3 3 2 2
September 2.2 3 2 2
October 1.6 2 1 2 2
November 1.3 1 1 1 1
December 0.9 0 1 2 1
Average 1.9 1.5 2.0 2.3 2.3 1.4

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 273° 080° 272° 201°
February 215° 090° 108° 268°
March 235° 235° 207°
April 184° 194° 228°
May 218° 196° 207°
June 214° 229° 216°
July 220° 193° 192°
August 237° 235° 241°
September 219° 263° 226°
October 235° 214° 181° 165°
November 189° 297° 172° 211°
December 041° 313° 200° 311°

Prevailing wind direction

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