Metar & Taf

Visual decoder

Weather in Hawaii

Calculated from weather data of Ellison Onizuka Kona International At Keahole Airport (PHKO) between 2020 and 2024.

Maximum temperatures (°F)

Month Average 2024 2023 2022 2021 2020
January 81.0 82.0 82.0 82.0 82.0 81.0
February 81.0 82.0 81.0 83.0 82.0 80.0
March 82.0 82.0 83.0 83.0 82.0 82.0
April 83.0 83.0 83.0 83.0 83.0
May 84.0 84.0 84.0 84.0 84.0
June 85.0 85.0 84.0 85.0 84.0
July 86.0 86.0 86.0 86.0 86.0
August 87.0 86.0 87.0 86.0 88.0
September 87.0 86.0 86.0 86.0 88.0
October 86.0 85.0 87.0 85.0 87.0
November 85.0 84.0 85.0 84.0 86.0
December 82.0 82.0 82.0 82.0 83.0
Average 84.0 82.0 84.0 84.0 84.0 84.0

80th highest temperature of United States

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month Average 2024 2023 2022 2021 2020
January 69.0 71 69 71 67 69
February 68.0 69 70 68 70 67
March 71.0 71 72 72 71 71
April 72.0 72 73 71 72
May 73.0 73 73 73 73
June 74.0 74 74 75 74
July 75.0 76 75 76 74
August 75.0 76 73 75 74
September 75.0 73 73 75 78
October 73.0 74 76 74 68
November 73.0 73 72 73 75
December 71.0 71 71 71 72
Average 72.0 70.0 73.0 73.0 73.0 72.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days 2024 2023 2022 2021 2020
86 °F or warmer 0 38 45 31 97
77 °F or warmer 91 363 353 365 362
68 °F or warmer 91 365 354 365 366
32 °F or colder 0 0 0 0 0

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 1.9 6 3 0 2 3
February 2.3 1 7 0 0 1
March 2.0 2 1 0 7 2
April 1.8 3 0 1 0
May 1.5 5 1 1 1
June 0.9 0 2 0 2
July 0.4 0 0 1 0
August 1.0 0 0 3 0
September 0.8 0 4 0 0
October 0.7 0 0 0 1
November 0.7 4 0 0 0
December 3.0 1 13 7 0
Average 1.6 3.0 1.9 1.3 1.7 0.8

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 (miles per hour)

Month Average 2024 2023 2022 2021 2020
January 9.1 12 8 8 8 9
February 9.5 10 9 8 10 9
March 8.9 9 10 9 8 8
April 9.1 9 9 9 9
May 8.8 9 9 9 9
June 8.5 9 8 9 9
July 9.0 9 9 9 9
August 9.0 9 9 9 10
September 9.1 9 9 9 9
October 8.5 8 9 9 8
November 8.7 8 10 9 8
December 8.6 9 9 8 8
Average 9.0 10.1 8.9 8.8 8.7 8.6

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 S W SW SW SW
February W S SW SW SW
March SW SW SW SW SW
April SW SW SW W
May SW W SW SW
June SW SW SW SW
July SW SW SW SW
August SW SW SW SW
September SW SW SW SW
October SW SW SW W
November SW SW SW S
December SW S SW SW

Prevailing wind direction

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

Hawaii weather Q&A

What is the warmest month in Hawaii?

The warmest month is September with an average temperature of 87 °F over the past years.

What is the coldest month in Hawaii?

The coldest month is February with an average daytime temperature of 81 °F in the past few years.

Which month is the wettest in Hawaii?

Chance of precipitation is the highest in December with a probability of around 3.1 %.

Which month is the driest in Hawaii?

The least rainfall and snow can be expected in July. The probability is about 0.5 %.