Hartsfield Jackson Atlanta International Airport

KATL · Georgia, United States

Statistics Hartsfield Jackson Atlanta International Airport2018-2022

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

Calculated from historical METAR data of Hartsfield Jackson Atlanta International Airport (KATL) between 2018 and 2022.

Maximum temperatures (°C)

Month Average 2022 2021 2020 2019 2018
January 12.2 13 12 14 13 10
February 16.3 17 14 15 17 19
March 19.5 21 21 21 19 17
April 22.7 23 23 22 24 22
May 27.5 28 26 26 30 28
June 30.4 32 30 29 30 31
July 31.6 32 31 32 32 31
August 31.2 30 31 31 33 31
September 29.6 28 28 27 34 31
October 24.1 23 24 24 25 24
November 17.3 18 20 17 15
December 14.7 18 13 15 13
Average 24.6 22.8 22.9 23.8 22.7
  • 628th highest temperature of United States
  • 1,690th highest temperature of the world

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2022 2021 2020 2019 2018
January 3.1 2 4 6 4 0
February 6.9 6 5 6 8 10
March 9.3 9 10 12 8 7
April 11.8 12 12 11 14 10
May 17.6 18 16 15 20 19
June 21.1 22 21 20 21 22
July 22.8 23 22 23 23 23
August 22.5 22 23 23 23 22
September 20.5 19 19 19 22 23
October 14.6 11 16 15 16 15
November 7.2 6 10 7 6
December 6.1 9 3 7 6
Average 14.5 13.5 13.7 14.2 13.5
  • 1,942nd lowest temperature of United States
  • 3,325th lowest temperature of the world

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

VFR conditions (%)

Month Average 2022 2021 2020 2019 2018
January 74.9 77 73 72 71 81
February 60.5 71 59 58 59 55
March 78.0 77 83 67 87 77
April 86.9 87 95 84 87 80
May 86.0 82 90 86 92 80
June 88.9 92 84 90 87 93
July 89.2 88 91 92 94 82
August 85.9 84 86 84 91 86
September 85.6 86 83 77 98 84
October 79.7 86 80 79 74 81
November 78.0 93 76 81 63
December 68.8 66 75 73 62
Average 82.8 81.9 78.2 82.7 77.0
  • 825th best VFR conditions of United States
  • 1,827th best VFR conditions of the world

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 2018
January 87.9 89 88 86 88 89
February 75.3 82 71 77 70 78
March 89.1 87 91 82 97 89
April 93.8 93 98 92 96 91
May 94.0 94 96 94 97 90
June 95.2 95 93 97 95 96
July 95.7 95 96 97 97 94
August 93.1 91 94 92 95 94
September 93.0 92 91 89 100 94
October 90.6 92 92 91 88 91
November 88.4 98 88 93 74
December 82.8 83 90 83 75
Average 90.9 90.8 89.7 91.4 87.8

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.

Precipitation (%)

Month Average 2022 2021 2020 2019 2018
January 12.1 14 12 14 10 10
February 15.7 16 15 19 17 12
March 9.1 8 10 17 4 8
April 5.4 5 3 5 5 9
May 4.9 4 4 6 3 8
June 3.3 1 5 4 4 3
July 3.3 3 5 4 2 2
August 5.9 6 6 8 3 7
September 5.8 6 11 11 0 2
October 6.4 5 8 3 10 6
November 8.4 3 6 8 18
December 14.1 12 7 15 23
Average 6.7 7.7 8.6 6.7 9.0

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 2018
January 8.5 8 8 9 9 9
February 8.4 9 9 8 8 8
March 9.0 10 8 8 9 11
April 8.5 8 8 9 8 9
May 7.4 8 8 8 7 7
June 7.0 7 7 7 7 7
July 6.2 6 6 6 6 7
August 6.1 6 7 6 6 6
September 7.1 8 6 8 7 6
October 7.3 7 7 7 8 7
November 7.9 8 8 8 8
December 8.2 7 8 10 9
Average 7.7 7.3 7.7 7.6 7.8
  • 628th highest wind speed of United States
  • 1,690th highest wind speed of the world

Prevailing wind direction

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

Prevailing wind direction

Month 2022 2021 2020 2019 2018
January 292° 296° 331° 300° 324°
February 290° 339° 272° 035° 200°
March 267° 095° 235° 302° 294°
April 243° 279° 293° 216° 279°
May 214° 232° 260° 248° 158°
June 336° 191° 265° 265° 291°
July 247° 255° 273° 274° 038°
August 215° 137° 231° 353° 248°
September 038° 009° 065° 030° 112°
October 332° 267° 069° 042° 031°
November 323° 019° 311° 346°
December 239° 305° 011° 343°

Prevailing wind direction

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

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