Rockton Airport

CPT3 · Ontario, Canada

Climate Rockton Airport 2020-2024

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

Calculated from historical METAR data of Region of Waterloo International Airport (CYKF) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 39.3 20 19 52 44 49
February 56.6 44 55 64 63
March 61.8 50 50 81 55
April 69.3 66 63 75 82
May 79.2 80 75 87 82
June 84.1 71 89 88 92
July 85.3 78 88 79 92
August 84.4 70 83 85 88
September 80.6 78 74 83 79
October 67.9 61 74 53 76
November 62.9 64 51 73 73
December 41.2 22 40 50 38
Average 64.3 19.7 59.4 67.1 73.3 74.5

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 71.5 58 62 78 81 82
February 81.4 82 77 87 82
March 80.6 73 69 93 80
April 88.9 86 91 91 94
May 90.6 92 91 94 91
June 93.3 83 96 95 98
July 92.6 86 95 90 96
August 93.7 86 95 94 95
September 92.9 94 89 93 91
October 87.7 91 86 77 96
November 85.8 88 77 89 89
December 73.6 55 76 80 78
Average 83.8 58.0 81.4 85.2 89.2 90.0

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 -2.5 -1 1 -4 -1 1
February -1.9 2 -1 -3 -1
March 4.6 3 5 9 7
April 11.5 14 11 13 10
May 19.0 19 20 19 17
June 24.4 24 25 26 25
July 26.9 26 27 25 29
August 25.6 24 27 28 26
September 22.2 22 23 22 21
October 14.9 15 15 17 13
November 6.5 7 9 7 10
December 1.7 5 1 4 2
Average 11.3 -2.7 13.4 13.6 13.7 13.3

58th 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 -8.1 -6 -4 -14 -6 -5
February -9.9 -6 -11 -11 -8
March -5.7 -4 -5 -3 -2
April 1.1 3 1 2 0
May 6.7 5 8 5 6
June 12.3 12 11 15 12
July 14.8 15 14 14 16
August 14.1 13 14 16 14
September 10.7 11 11 11 9
October 5.5 7 3 9 4
November -2.8 -2 0 -1 1
December -5.8 0 -4 -3 -4
Average 2.2 -6.4 4.1 2.6 3.9 3.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 35.0 52 47 33 21 20
February 32.4 40 43 29 24
March 24.8 40 38 10 12
April 19.3 29 25 13 15
May 11.5 21 11 7 12
June 6.3 14 7 5 2
July 5.5 12 5 8 3
August 4.8 10 6 4 4
September 5.2 4 11 6 4
October 13.3 20 15 12 13
November 22.4 27 36 21 13
December 28.2 33 45 15 29
Average 19.7 51.6 24.4 21.8 11.6 11.2

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 2024 2023 2022 2021 2020
January 9.8 11 9 10 9 9
February 11.1 12 12 10 10
March 10.9 11 12 11 10
April 10.6 10 11 10 11
May 8.5 7 9 8 10
June 8.0 7 8 9 8
July 7.2 7 8 7 7
August 7.5 7 8 7 8
September 7.8 7 8 9 9
October 9.1 9 9 8 9
November 10.0 11 10 9 10
December 9.7 8 11 11 11
Average 9.3 10.7 8.6 9.5 8.7 9.2

58th 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 237° 292° 259° 291° 257°
February 256° 257° 271° 260°
March 301° 266° 260° 245°
April 244° 254° 280° 284°
May 335° 173° 291° 315°
June 032° 271° 237° 263°
July 265° 262° 300° 271°
August 282° 246° 235° 257°
September 189° 266° 258° 227°
October 263° 225° 137° 242°
November 253° 251° 242° 239°
December 233° 234° 231° 259°

Prevailing wind direction

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