Treherne (South Norfolk Airpark) Airport

CTN6 · Manitoba, Canada

Climate Treherne (South Norfolk Airpark) Airport 2020-2024

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

Calculated from historical METAR data of Portage La Prairie Airport (CYPG) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 58.2 47 46 63 63 58
February 75.3 47 88 71 70 82
March 78.0 85 63 87 86
April 82.7 76 70 79 93
May 83.9 79 66 88 86
June 89.1 85 84 90 88
July 89.6 86 93 78 95
August 82.1 66 86 63 90
September 81.7 70 85 98 91
October 69.4 61 70 76 77
November 61.2 61 56 72 68
December 71.4 88 49 78 78
Average 74.8 47.1 74.3 73.1 79.2 83.9

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 75.0 69 65 74 83 73
February 87.2 69 91 86 87 95
March 91.4 97 85 96 95
April 93.6 88 88 90 98
May 92.9 90 82 93 98
June 96.3 90 93 97 98
July 95.2 92 98 85 99
August 94.0 91 94 88 97
September 93.0 84 93 100 99
October 89.0 82 88 89 95
November 83.3 79 85 90 92
December 84.7 88 58 86 95
Average 88.1 68.7 86.9 87.1 90.7 95.0

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 -10.2 -9 -10 -13 -6 -10
February -10.7 -3 -8 -14 -11 -9
March -1.2 -6 -3 5 1
April 7.3 5 4 10 7
May 18.2 22 15 18 16
June 25.2 27 23 27 25
July 26.2 24 25 28 27
August 25.0 25 26 24 27
September 19.6 22 21 23 19
October 9.7 10 11 14 7
November -1.6 2 0 2 2
December -5.7 1 -9 -5 0
Average 7.5 -6.3 9.6 7.9 11.4 9.8

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 -16.3 -14 -16 -19 -12 -16
February -18.6 -9 -18 -23 -19 -18
March -10.3 -16 -10 -7 -8
April -3.9 -2 -3 -2 -2
May 6.3 9 7 4 6
June 13.7 16 13 15 14
July 15.5 13 16 16 16
August 13.6 15 16 14 14
September 9.2 10 10 10 8
October 1.4 3 2 5 -1
November -7.3 -5 -6 -5 -6
December -11.0 -7 -14 -11 -7
Average -2.7 -12.7 0.3 -1.8 1.2 0.2

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 42.0 56 47 38 26 53
February 27.8 31 15 33 28 25
March 14.8 15 22 8 11
April 12.1 17 15 13 14
May 11.1 10 26 11 8
June 6.2 5 11 6 6
July 5.6 6 10 3 4
August 6.7 9 6 10 5
September 11.6 13 11 4 8
October 16.0 23 15 11 18
November 28.2 25 33 17 16
December 22.6 8 51 13 12
Average 18.7 41.7 15.4 20.2 11.4 13.6

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 9.9 11 8 11 10 9
February 10.4 11 11 11 11 10
March 10.4 10 11 11 11
April 10.8 10 12 12 11
May 10.2 10 12 10 11
June 9.0 8 10 9 10
July 9.1 8 9 8 10
August 8.8 9 9 10 9
September 10.0 9 10 11 11
October 11.0 10 11 11 12
November 10.7 12 11 11 10
December 10.0 10 10 12 8
Average 10.0 10.5 9.3 10.6 10.2 10.2

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 277° 314° 304° 278° 208°
February 340° 291° 298° 254° 271°
March 297° 290° 270° 243°
April 020° 007° 328° 305°
May 020° 165° 302° 263°
June 009° 283° 283° 273°
July 301° 295° 214° 223°
August 292° 287° 295° 232°
September 205° 291° 228° 268°
October 317° 291° 194° 286°
November 281° 289° 242° 229°
December 218° 008° 263° 253°

Prevailing wind direction

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