Rockton Airport

CPT3 · Ontario, Canada

Statistics Rockton Airport 2019-2022

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 2019 and 2022.

VFR conditions (%)

Month Average 2022 2021 2020 2019
January 50.5 52 44 49 60
February 59.8 55 64 63 54
March 64.8 50 81 55 74
April 70.0 63 75 82 62
May 79.0 75 87 82 69
June 87.0 89 88 92 88
July 86.8 88 79 92 89
August 87.5 83 85 88 94
September 81.1 74 83 79 81
October 69.5 74 53 76 73
November 62.7 51 73 73 61
December 46.4 40 50 38 48
Average 72.6 67.1 73.3 74.5 73.2

144th 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 2022 2021 2020 2019
January 78.1 78 81 82 84
February 81.1 77 87 82 80
March 82.6 69 93 80 92
April 89.7 91 91 94 88
May 90.4 91 94 91 85
June 95.6 96 95 98 97
July 94.0 95 90 96 96
August 95.3 95 94 95 97
September 92.6 89 93 91 96
October 87.0 86 77 96 89
November 85.3 77 89 89 88
December 78.7 76 80 78 78
Average 88.5 85.2 89.2 90.0 89.8

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 2022 2021 2020 2019
January -2.1 -4 -1 1 -4
February -1.6 -1 -3 -1 -1
March 4.8 5 9 7 2
April 11.1 11 13 10 10
May 19.0 20 19 17 17
June 24.5 25 26 25 23
July 27.1 27 25 29 28
August 25.9 27 28 26 26
September 22.2 23 22 21 22
October 14.9 15 17 13 15
November 6.5 9 7 10 3
December 1.2 1 4 2 2
Average 13.0 13.6 13.7 13.3 12.0

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 2022 2021 2020 2019
January -9.0 -14 -6 -5 -11
February -9.6 -11 -11 -8 -9
March -5.7 -5 -3 -2 -7
April 0.9 1 2 0 1
May 7.0 8 5 6 7
June 12.4 11 15 12 12
July 14.8 14 14 16 15
August 14.2 14 16 14 13
September 10.6 11 11 9 11
October 5.2 3 9 4 4
November -2.8 0 -1 1 -3
December -5.2 -4 -3 -4 -5
Average 3.2 2.6 3.9 3.6 2.4

408th lowest temperature of Canada

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2022 2021 2020 2019
January 27.0 33 21 20 25
February 30.6 43 29 24 28
March 21.1 38 10 12 16
April 17.1 25 13 15 14
May 9.6 11 7 12 8
June 4.5 7 5 2 5
July 4.0 5 8 3 2
August 3.7 6 4 4 2
September 5.4 11 6 4 4
October 11.8 15 12 13 12
November 21.5 36 21 13 12
December 27.0 45 15 29 24
Average 13.6 21.8 11.6 11.2 11.3

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 2022 2021 2020 2019
January 9.7 10 9 9 11
February 10.7 12 10 10 11
March 10.9 12 11 10 10
April 10.8 11 10 11 11
May 8.9 9 8 10 9
June 8.3 8 9 8 8
July 7.4 8 7 7 7
August 7.6 8 7 8 8
September 8.0 8 9 9 8
October 9.1 9 8 9 10
November 9.9 10 9 10 10
December 10.1 11 11 11 10
Average 9.2 9.5 8.7 9.2 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 2022 2021 2020 2019
January 259° 291° 257° 271°
February 257° 271° 260° 249°
March 266° 260° 245° 264°
April 254° 280° 284° 305°
May 173° 291° 315° 328°
June 271° 237° 263° 276°
July 262° 300° 271° 256°
August 246° 235° 257° 261°
September 266° 258° 227° 218°
October 225° 137° 242° 208°
November 251° 242° 239° 247°
December 234° 231° 259° 234°

Prevailing wind direction

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

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