Doylestown Airport

KDYL · Pennsylvania, United States

Statistics Doylestown Airport 2019-2022

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

Calculated from historical METAR data of Doylestown Airport (KDYL) between 2019 and 2022.

VFR conditions (%)

Month Average 2022 2021 2020 2019
January 79.8 76 83 83 81
February 75.3 72 65 76 80
March 78.2 77 78 70 86
April 81.1 80 88 79 86
May 73.0 67 85 81 71
June 86.2 82 91 92 83
July 86.8 94 84 84 91
August 85.4 89 84 85 88
September 80.9 85 84 83 88
October 71.6 69 69 68 75
November 86.2 80 96 82 90
December 76.2 60 80 79 71
Average 80.3 78.8 82.4 80.5 82.7

1,637th best VFR conditions of United States

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 88.4 85 92 90 89
February 81.3 78 74 85 84
March 85.9 81 87 83 94
April 90.9 91 94 91 94
May 84.9 81 94 92 87
June 92.4 89 97 95 90
July 94.0 98 94 92 96
August 94.3 96 96 92 95
September 91.7 94 95 94 97
October 84.8 82 90 78 85
November 93.2 88 99 91 96
December 85.5 72 87 92 80
Average 89.2 87.2 91.8 89.8 90.9

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 4.6 3 5 8 3
February 7.7 8 4 9 6
March 10.6 13 13 14 9
April 17.0 16 18 15 19
May 22.6 24 23 21 23
June 27.6 27 29 29 27
July 30.4 31 30 32 32
August 29.1 31 29 29 29
September 25.2 25 26 25 27
October 19.3 18 21 18 20
November 12.3 15 12 16 11
December 7.0 7 10 7 7
Average 17.8 18.5 18.1 18.6 17.8

1,380th highest temperature of United States

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 -3.0 -6 -2 0 -4
February -2.6 -3 -3 0 -3
March 0.8 2 2 4 -1
April 6.4 6 7 6 9
May 11.9 13 11 11 13
June 16.9 16 18 17 17
July 19.9 21 20 21 21
August 19.4 20 20 20 19
September 15.4 15 16 15 16
October 9.8 8 12 10 11
November 2.4 4 2 5 1
December -1.4 1 2 -1 -1
Average 8.2 8.3 8.6 8.9 8.0

1,427th lowest temperature of United States

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2022 2021 2020 2019
January 10.0 15 6 5 6
February 12.9 15 21 14 7
March 12.0 14 10 11 9
April 8.7 10 6 14 7
May 10.0 13 9 7 11
June 4.3 4 3 4 6
July 4.1 3 3 5 5
August 4.7 1 5 6 3
September 5.3 8 4 2 1
October 9.3 16 3 13 11
November 7.4 13 4 8 3
December 10.3 20 1 10 16
Average 8.0 9.9 6.1 7.9 7.1

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 6.6 6 7 6 7
February 6.1 6 6 6 6
March 7.0 7 7 6 7
April 6.6 7 7 7 6
May 4.6 4 5 5 5
June 4.5 4 4 5 5
July 3.8 4 4 4 4
August 4.0 5 3 4 4
September 4.2 5 5 4 4
October 4.8 5 5 4 5
November 6.1 6 6 6 6
December 5.7 6 5 7 5
Average 5.2 5.4 5.2 5.2 5.1

1,380th highest wind speed of United States

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 298° 307° 295° 298°
February 282° 319° 274° 289°
March 283° 290° 293° 285°
April 290° 294° 302° 276°
May 319° 302° 287° 291°
June 279° 239° 271° 302°
July 244° 276° 269° 278°
August 248° 270° 261° 315°
September 291° 273° 331° 324°
October 330° 283° 285° 314°
November 278° 287° 270° 303°
December 306° 272° 278° 299°

Prevailing wind direction

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

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