Hong Kong International Airport

VHHH · Islands, Hong Kong

Climate Hong Kong International Airport 2020-2024

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

Calculated from historical METAR data of Hong Kong International Airport (VHHH) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 79.9 92 90 79 81 94
February 87.5 93 92 79 95 92
March 88.8 91 96 86 90 91
April 93.0 92 97 96 93
May 92.2 91 90 97 93
June 95.9 94 95 96 98
July 96.1 93 93 99 98
August 92.7 98 90 99 96
September 93.6 93 95 99 94
October 96.0 96 99 93 98
November 94.8 99 94 100 96
December 84.2 92 88 84 83
Average 91.2 91.8 93.7 90.4 94.0 93.9

1st best VFR conditions of Hong Kong

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 8 km 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 92.9 97 96 98 98 99
February 95.7 94 98 93 99 95
March 95.7 97 98 93 98 95
April 97.9 97 99 99 97
May 96.6 95 96 100 99
June 97.6 96 96 99 99
July 97.9 94 98 99 99
August 96.5 98 93 99 99
September 97.9 96 99 100 100
October 98.3 98 99 97 100
November 98.7 100 99 100 100
December 95.8 96 95 95 99
Average 96.7 95.9 96.7 96.4 98.5 98.3

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 5 km 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 20.2 21 19 20 19 22
February 21.1 22 22 17 23 22
March 24.2 24 24 25 25 25
April 26.7 26 27 27 25
May 30.0 30 28 32 31
June 32.0 32 32 32 33
July 32.9 33 34 33 34
August 32.2 32 32 32 32
September 32.2 32 33 33 32
October 29.1 29 30 29 29
November 26.0 27 26 25 27
December 20.9 22 18 21 21
Average 26.7 22.2 27.3 27.1 27.6 27.4

1st highest temperature of Hong Kong

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 15.4 16 15 16 14 17
February 16.0 17 17 13 17 17
March 19.5 20 20 19 21 20
April 22.1 22 22 23 20
May 25.6 25 24 28 26
June 27.7 28 28 28 28
July 28.2 28 29 28 29
August 27.3 28 27 27 27
September 27.3 27 28 28 27
October 24.2 25 24 24 24
November 21.1 21 22 20 22
December 16.0 17 13 16 15
Average 21.9 17.3 22.7 22.4 22.7 22.6

1st lowest temperature of Hong Kong

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 5.3 5 9 3 0 4
February 8.5 9 4 27 5 7
March 10.4 11 10 13 6 13
April 9.0 10 5 5 12
May 13.4 17 27 6 11
June 18.6 30 18 13 11
July 16.5 23 15 11 9
August 23.4 22 33 19 19
September 12.6 30 8 8 13
October 8.7 19 3 17 5
November 4.6 3 18 0 0
December 5.2 4 18 5 0
Average 11.2 8.3 15.8 16.0 7.9 8.8

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 8.3 8 9 7 8 10
February 8.8 9 8 8 8 10
March 9.7 9 8 9 10 10
April 9.3 10 9 10 8
May 9.4 9 8 10 9
June 9.9 8 10 10 10
July 9.9 9 10 9 11
August 8.7 8 8 8 9
September 8.4 9 9 7 9
October 9.6 9 10 10 10
November 8.3 8 8 8 8
December 8.7 8 11 8 9
Average 9.1 8.7 8.5 9.0 8.9 9.3

1st highest wind speed of Hong Kong

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 018° 359° 044° 005° 043°
February 019° 051° 028° 072° 067°
March 080° 104° 090° 087° 083°
April 096° 116° 097° 060°
May 121° 112° 207° 191°
June 168° 208° 189° 205°
July 192° 185° 165° 209°
August 224° 117° 203° 140°
September 083° 051° 135° 101°
October 030° 036° 060° 053°
November 040° 052° 018° 037°
December 006° 001° 012° 004°

Prevailing wind direction

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