Molokai Airport, Hawaii climate: Climate normals at a NOAA weather station

Molokai Airport's normal year runs from 64°F January nights to 87°F August afternoons, with 21.7 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 24.4°C, January lows of 18°C, August highs of 30°C, 552 mm of precipitation a year.

  • NOAA stationMolokai Airport
  • Station IDUSW00022534
  • Location21.15°N 157.10°W
  • Elevation443 ft (135 m)

On October 23, the normal high in Molokai Airport is 85°F and the normal low 71°F, and the chance of measurable rain or snow is 29%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Molokai Airport.

  1. Jan 79° 64°
  2. Feb 79° 65°
  3. Mar 79° 66°
  4. Apr 81° 67°
  5. May 83° 69°
  6. Jun 85° 72°
  7. Jul 86° 73°
  8. Aug 87° 73°
  9. Sep 87° 73°
  10. Oct 86° 71°
  11. Nov 83° 70°
  12. Dec 80° 67°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like at Molokai Airport each month?

August is the warmest month, with normal highs of 87°F; January the coldest, with normal lows of 64°F. The most precipitation falls in January (3.56 in), the least in June (0.61 in).

Each month has its own page with the day-by-day normals, the month's records and its recent years:

Molokai Airport monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 79°F64°F71.6°F 3.56 11<1<111 h
February 79°F65°F71.7°F 2.31 10<1<111 h 30 min
March 79°F66°F72.5°F 3.02 11<1<112 h
April 81°F67°F74.0°F 1.54 9<1<112 h 40 min
May 83°F69°F75.7°F 1.15 6<1<113 h 10 min
June 85°F72°F78.1°F 0.61 6<1<113 h 20 min
July 86°F73°F79.1°F 0.62 81<113 h 20 min
August 87°F73°F80.0°F 0.84 71<112 h 50 min
September 87°F73°F79.7°F 0.99 82<112 h 20 min
October 86°F71°F78.5°F 1.54 81<111 h 40 min
November 83°F70°F76.2°F 2.67 11<1<111 h 10 min
December 80°F67°F73.5°F 2.87 11<1<110 h 50 min
Year (annual)83°F69°F75.9°F21.721065<1
The same normals in °C and millimetres
Molokai Airport monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January26°C18°C22.0°C90 mm
February26°C18°C22.1°C59 mm
March26°C19°C22.5°C77 mm
April27°C19°C23.3°C39 mm
May28°C20°C24.3°C29 mm
June29°C22°C25.6°C15 mm
July30°C23°C26.2°C16 mm
August30°C23°C26.7°C21 mm
September30°C23°C26.5°C25 mm
October30°C22°C25.8°C39 mm
November28°C21°C24.6°C68 mm
December27°C19°C23.1°C73 mm
Normal daily high and low by month, Molokai Airport
Normal precipitation by month, Molokai Airport (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USW00022534; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

Which months are mildest at Molokai Airport?

Normal highs sit between 65°F and 85°F in January, February, March, April, May, June, November and December. Of those, June has the fewest days with rain (6).

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USW00022534.

How hot and how cold does it get at Molokai Airport?

In a normal year in Molokai Airport, 5 days a year reach 90°F, nights almost never fall to freezing and 106 days bring measurable precipitation.

Days at 90°F or more
5a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
fewer than 1a normal year
Days that stay below freezing
fewer than 1high of 32°F or less
Days with 0.01 inch of precipitation
106a normal year

The highest temperature in this station's record (since 1949) is 94°F, on September 16, 2019; the lowest is 46°F, on March 4, 1987.

The wettest calendar year on that record is 1963, with 43.70 in.

Source: NOAA NCEI 1991-2020 annual normals, station USW00022534; records: ACIS (NOAA Regional Climate Centers), station USW00022534. Records use complete months only; a month missing more than three days is left out.

How humid and windy is it at Molokai Airport, and how clear are the skies?

The summer (June-August) dew point averages 67°F. The muggiest month is July, with an average dew point of 68°F, above the 65°F at which most people call the air sticky; the driest air comes in February (62°F). July is the windiest month (13.1 mph on average), and May has the most clear or nearly clear hours (58%).

Molokai Airport: humidity, dew point, wind and sky by month (NOAA hourly normals, 1991-2020)
MonthDew pointHumidityAfternoon humidityWindClear or few cloudsOvercast
January62°F70%64%9.2 mph––
February62°F73%62%9.9 mph57%5%
March63°F72%62%10.7 mph54%4%
April62°F68%59%10.9 mph51%4%
May66°F72%61%11.3 mph58%2%
June67°F71%60%12.4 mph58%2%
July68°F71%60%13.1 mph57%2%
August68°F71%60%11.6 mph56%2%
September68°F71%61%10.1 mph54%3%
October67°F71%64%9.9 mph56%4%
November65°F72%64%10.5 mph51%5%
December63°F73%64%9.1 mph55%6%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00022534. Monthly averages of all hours; afternoon humidity at 3 p.m. local standard time; sky as the share of hours NOAA's observations rate clear or few clouds (a dash where NOAA publishes no sky value).

How sunny is it at Molokai Airport?

Over a year 85% of the sunlight that would reach the ground under clear skies gets through the clouds at Molokai Airport, 5.7 kWh per square metre a day. June is the sunniest month (88%) and March the cloudiest (79%).

Molokai Airport: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January82%4.3
February81%4.8
March79%5.5
April83%6.3
May86%6.8
June88%7.1
July88%7.0
August87%6.7
September88%6.2
October84%5.2
November82%4.3
December81%3.9

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How many heating and cooling degree days does Molokai Airport record?

A normal year at Molokai Airport brings 0 heating degree days, 100% fewer than the median U.S. place (5,373), and 3,981 cooling degree days, 4.4 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 9,455 growing degree days a year above 50°F.

Molokai Airport: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January0203
February0188
March0233
April0272
May0332
June0393
July0437
August0463
September0443
October0417
November0336
December0265
Year (annual)03,981

Source: NOAA NCEI 1991-2020 monthly normals, station USW00022534. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

Have recent years at Molokai Airport been warmer than normal?

2023 averaged 75.9°F, equal to the 1991-2020 normal of 75.9°F. 1 of the 3 complete years since 2021 ran warmer than the normal.

Molokai Airport: each recent year's mean against the 1991-2020 normal (75.9°F)
YearMeanAgainst normalPrecip.
202175.6°F−0.3°F17.33
202276.0°F+0.1°F14.96
202375.9°Fat normal22.56

Source: observed years: ACIS, station USW00022534. A year counts only with all twelve months complete.

How does Molokai Airport's climate compare?

Molokai Airport is warmer than 12 of the 18 places with their own NOAA record in Hawaii, and wetter than 5. Across the 7,247 U.S. stations with normals, its annual mean of 75.9°F is warmer than 99%.

In the Köppen classification computed from these normals, Molokai Airport is Aw: tropical savanna. What the classes mean.

Places with the most similar year elsewhere

Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.

Which places near Molokai Airport share this climate record?

3 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.

  • Kaunakakai, HI3,721 people · 7 mi SE
  • Kualapuu, HI2,357 people · 2 mi E
  • Maunaloa, HI292 people · 8 mi W

Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.

Questions about Molokai Airport's climate

What is the coldest month at Molokai Airport?

January, with a normal high of 79°F and a normal low of 64°F. The warmest is August (87°F by day, 73°F at night).

Does it snow at Molokai Airport?

Rarely: NOAA's normal is no measurable snow a year.

What is the rainiest month at Molokai Airport?

January, with 3.56 in of precipitation in a normal year; the driest is June with 0.61 in.

What plant hardiness zone is Molokai Airport in?

The USDA's 2023 map puts Molokai Airport in zone 12b in ZIP code 96729, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 54°F (27 years, 1991-2020): zone 12a.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made