Daniel K Inouye International Airport

PHNL · Hawaii, United States

Climate Daniel K Inouye International Airport 2020-2024

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

Calculated from historical METAR data of Daniel K Inouye International Airport (PHNL) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 98.0 96 95 95 100 100
February 97.5 100 92 100 100 100
March 98.1 100 98 98 97
April 99.0 96 100 100 100
May 99.0 99 97 100 99
June 98.6 100 100 100 100
July 99.6 99 100 100 99
August 99.7 100 100 99 100
September 99.1 100 99 100 100
October 99.4 100 100 100 99
November 97.9 89 99 100 100
December 97.7 96 96 98 99
Average 98.5 97.6 97.2 98.6 99.5 99.3

34th 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 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 99.3 100 98 97 100 100
February 98.6 100 96 100 100 100
March 99.6 100 99 100 99
April 99.8 99 100 100 100
May 99.7 100 100 100 100
June 99.8 100 100 100 100
July 99.8 100 100 100 99
August 99.9 100 100 100 100
September 99.4 100 99 100 100
October 99.8 100 100 100 100
November 99.3 96 100 100 100
December 99.1 99 97 100 100
Average 99.5 99.7 98.9 99.4 99.9 99.8

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 27.2 26 27 26 28 27
February 27.1 26 28 28 27 27
March 27.4 28 28 27 27
April 28.4 29 29 28 28
May 29.3 29 29 29 30
June 30.4 30 30 31 31
July 30.9 31 30 31 31
August 31.3 31 31 31 32
September 31.2 31 31 31 32
October 30.2 30 31 30 30
November 29.2 29 29 29 30
December 27.6 27 28 27 29
Average 28.8 26.3 29.2 29.2 29.0 29.3

70th 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 2024 2023 2022 2021 2020
January 20.4 20 20 20 22 21
February 20.0 20 20 20 20 21
March 20.9 22 21 20 21
April 21.8 22 23 21 22
May 22.6 22 23 23 23
June 23.6 24 23 23 24
July 24.6 24 24 25 24
August 24.6 25 24 24 25
September 24.1 24 24 24 24
October 23.6 23 24 24 23
November 22.8 23 23 22 23
December 21.3 20 22 21 22
Average 22.2 19.8 22.4 22.4 22.4 22.7

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 6.6 5 8 11 8 11
February 8.7 4 19 2 8 11
March 6.9 7 5 15 9
April 4.2 8 5 1 1
May 3.1 3 7 2 2
June 3.6 2 3 3 3
July 2.8 2 5 4 4
August 1.9 1 1 2 1
September 3.0 3 4 3 0
October 3.3 1 3 2 3
November 4.3 11 5 2 4
December 6.9 13 7 7 5
Average 4.5 4.4 6.2 4.5 4.5 4.3

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 8.5 9 7 7 10 10
February 9.6 11 11 8 10 12
March 8.9 8 9 10 10
April 10.3 10 13 10 9
May 10.0 11 10 10 10
June 10.5 11 10 10 11
July 12.1 12 13 13 11
August 11.3 13 11 11 12
September 10.2 12 10 11 11
October 8.7 7 8 12 7
November 9.3 10 10 8 10
December 9.7 8 11 11 9
Average 10.0 10.1 10.0 9.9 10.5 10.1

70th 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 2024 2023 2022 2021 2020
January 209° 093° 130° 064° 063°
February 058° 062° 063° 068° 049°
March 145° 075° 065° 070°
April 072° 061° 049° 089°
May 064° 071° 066° 056°
June 057° 059° 061° 063°
July 058° 062° 061° 062°
August 058° 069° 056° 061°
September 062° 067° 055° 067°
October 102° 063° 059° 138°
November 073° 054° 069° 063°
December 056° 065° 070° 062°

Prevailing wind direction

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