St-Michel-de-Napierville Airport

CMN3 · Quebec, Canada

Statistics St-Michel-de-Napierville Airport 2019-2022

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

Calculated from historical METAR data of Saint Clothilde Automated Reporting Station (CWIT) between 2019 and 2022.

VFR conditions (%)

Month Average 2022 2021 2020 2019
January 0.0 0 0 0 0
February 0.0 0 0 0 0
March 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

252nd 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 0.0 0 0 0 0
February 0.0 0 0 0 0
March 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: 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 -4.4 -7 -4 -1 -5
February -1.0 -2 -3 -1 -3
March 3.5 4 6 6 2
April 11.0 12 14 10 10
May 19.6 22 20 19 17
June 24.1 23 27 25 24
July 26.8 27 24 29 28
August 25.5 26 28 25 25
September 21.2 20 21 21 21
October 14.9 16 16 14 14
November 6.1 9 6 10 3
December -1.9 2 2 2 0
Average 12.5 13.0 13.1 13.1 11.3

85th 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 -13.5 -20 -9 -9 -15
February -12.5 -13 -14 -12 -14
March -6.1 -6 -5 -3 -8
April 1.3 2 3 0 1
May 7.5 8 8 7 7
June 12.6 13 15 12 11
July 15.7 16 15 18 16
August 14.8 15 17 14 13
September 10.5 10 12 10 10
October 4.9 3 7 4 4
November -3.7 0 -2 0 -5
December -8.2 -4 -7 -5 -8
Average 2.4 2.2 3.3 2.9 1.2

399th 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 0.0 0 0 0 0
February 0.0 0 0 0 0
March 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 2022 2021 2020 2019
January 5.7 5 6 5 6
February 6.4 7 6 6 7
March 6.9 7 7 7 7
April 6.8 7 6 7 7
May 5.6 5 6 6 5
June 5.3 6 6 5 5
July 4.6 5 4 5 5
August 4.3 4 5 5 4
September 4.3 4 5 5 4
October 5.1 5 5 5 5
November 5.6 5 5 6 6
December 5.8 6 6 6 6
Average 5.5 5.4 5.4 5.6 5.5

85th 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 291° 274° 289° 274°
February 233° 261° 274° 270°
March 270° 262° 188° 265°
April 281° 326° 300° 279°
May 140° 285° 283° 332°
June 245° 246° 261° 264°
July 267° 281° 264° 273°
August 297° 230° 269° 272°
September 305° 234° 220° 261°
October 125° 078° 222° 145°
November 253° 260° 231° 262°
December 284° 235° 239° 261°

Prevailing wind direction

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

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