Hana, Hawaii climate: Normal weather by month, frost dates and records

Hana's normal year runs from 65°F February nights to 83°F August afternoons, with 72.2 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 23.5°C, February lows of 18°C, August highs of 28°C, 1,833 mm of precipitation a year.

  • NOAA stationHana Airport 355
  • Station IDUSC00511125
  • Location20.79°N 156.02°W
  • Elevation75 ft (23 m)
  • Population (census place)793

On October 14, the normal high in Hana is 82°F and the normal low 71°F.

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

  1. Jan 78° 65°
  2. Feb 77° 65°
  3. Mar 78° 66°
  4. Apr 78° 67°
  5. May 80° 68°
  6. Jun 81° 70°
  7. Jul 82° 71°
  8. Aug 83° 72°
  9. Sep 83° 70°
  10. Oct 82° 71°
  11. Nov 80° 70°
  12. Dec 79° 68°

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

What is the weather like in Hana each month?

August is the warmest month, with normal highs of 83°F; February the coldest, with normal lows of 65°F. The most precipitation falls in March (8.46 in), the least in June (4.45 in).

Hana monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 78°F65°F71.3°F 5.64 –<1<111 h
February 77°F65°F71.1°F 5.45 –<1<111 h 30 min
March 78°F66°F71.6°F 8.46 –<1<112 h
April 78°F67°F72.8°F 5.00 –<1<112 h 40 min
May 80°F68°F74.1°F 5.43 –<1<113 h 10 min
June 81°F70°F75.5°F 4.45 –<1<113 h 20 min
July 82°F71°F76.4°F 5.49 –<1<113 h 20 min
August 83°F72°F77.3°F 5.99 –<1<112 h 50 min
September 83°F70°F76.4°F 6.12 –<1<112 h 20 min
October 82°F71°F76.2°F 6.88 –<1<111 h 40 min
November 80°F70°F75.0°F 6.65 –<1<111 h 10 min
December 79°F68°F73.4°F 6.59 –<1<110 h 50 min
Year (annual)80°F69°F74.3°F72.15–<1<1
The same normals in °C and millimetres
Hana monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January25°C18°C21.8°C143 mm
February25°C18°C21.7°C138 mm
March25°C19°C22.0°C215 mm
April26°C20°C22.7°C127 mm
May27°C20°C23.4°C138 mm
June27°C21°C24.2°C113 mm
July28°C22°C24.7°C139 mm
August28°C22°C25.2°C152 mm
September28°C21°C24.7°C155 mm
October28°C21°C24.6°C175 mm
November27°C21°C23.9°C169 mm
December26°C20°C23.0°C167 mm
Normal daily high and low by month, Hana
Normal precipitation by month, Hana (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00511125; 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.

When is the best weather to visit Hana?

Every month's normal high in Hana falls between 65°F and 85°F.

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 USC00511125.

How hot and how cold does it get in Hana?

In a normal year in Hana, a 90°F day is rare and nights almost never fall to freezing.

Days at 90°F or more
fewer than 1a 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

The highest temperature in this station's record (since 1950) is 94°F, on November 3, 1979; the lowest is 50°F, on January 9, 1953.

The wettest calendar year on that record is 1965, with 126.23 in.

Source: NOAA NCEI 1991-2020 annual normals, station USC00511125; records: ACIS (NOAA Regional Climate Centers), station USC00511125. Records use complete months only; a month missing more than three days is left out.

How sunny is Hana?

Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Hana, 5.8 kWh per square metre a day. August is the sunniest month (88%) and March the cloudiest (81%).

Hana: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January85%4.5
February84%5.1
March81%5.6
April85%6.5
May87%6.8
June87%7.0
July88%7.0
August88%6.8
September88%6.3
October86%5.4
November84%4.6
December83%4.1

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 much heating and cooling does Hana need?

A normal year in Hana brings 0 heating degree days, 100% fewer than the median U.S. place (5,373), and 3,386 cooling degree days, 3.7 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 8,861 growing degree days a year above 50°F.

Hana: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January0195
February0172
March0205
April0234
May0281
June0314
July0355
August0381
September0342
October0347
November0300
December0260
Year (annual)03,386

Source: NOAA NCEI 1991-2020 monthly normals, station USC00511125. 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.

Has Hana been warmer than normal lately?

2022 averaged 74.4°F, 0.1°F above the 1991-2020 normal of 74.3°F. 1 of the 2 complete years since 2021 ran warmer than the normal.

Hana: each recent year's mean against the 1991-2020 normal (74.3°F)
YearMeanAgainst normalPrecip.
202174.0°F−0.3°F76.18
202274.4°F+0.1°F68.35

Source: observed years: ACIS, station USC00511125. A year counts only with all twelve months complete.

How does Hana's climate compare?

Hana is warmer than 6 of the other 17 places with their own NOAA record in Hawaii, and wetter than 13. Across the 7,247 U.S. stations with normals, its annual mean of 74.3°F is warmer than 98%.

In the Köppen classification computed from these normals, Hana is Af: tropical rainforest. 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.

Questions about Hana's climate

What is the coldest month in Hana?

February, with a normal high of 77°F and a normal low of 65°F. The warmest is August (83°F by day, 72°F at night).

What is the rainiest month in Hana?

March, with 8.46 in of precipitation in a normal year; the driest is June with 4.45 in.

What plant hardiness zone is Hana in?

The USDA's 2023 map puts Hana in zone 11b in ZIP code 96713, the nearest ZIP area.

Nearby and next

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