Ohe'o 258.6, Hawaii climate: Climate normals at a NOAA weather station

Ohe'o 258.6's normal year runs from 67°F January nights to 83°F August afternoons, with 77.3 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 24.1°C, January lows of 20°C, August highs of 28°C, 1,963 mm of precipitation a year.

  • NOAA stationOhe'o 258.6
  • Station IDUSC00517000
  • Location20.66°N 156.04°W
  • Elevation86 ft (26 m)

On October 14, the normal high in Ohe'o 258.6 is 83°F and the normal low 73°F, and the chance of measurable rain or snow is 76%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Ohe'o 258.6.

  1. Jan 79° 67°
  2. Feb 79° 68°
  3. Mar 79° 68°
  4. Apr 79° 69°
  5. May 80° 70°
  6. Jun 81° 71°
  7. Jul 82° 72°
  8. Aug 83° 73°
  9. Sep 83° 72°
  10. Oct 83° 72°
  11. Nov 82° 71°
  12. Dec 80° 69°

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 Ohe'o 258.6 each month?

August is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of 67°F. The most precipitation falls in October (8.14 in), the least in February (4.69 in).

Ohe'o 258.6 monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 79°F67°F73.0°F 6.26 16<1<111 h
February 79°F68°F73.0°F 4.69 161<111 h 30 min
March 79°F68°F73.3°F 8.07 20<1<112 h
April 79°F69°F73.8°F 5.11 21<1<112 h 40 min
May 80°F70°F75.0°F 4.72 21<1<113 h 10 min
June 81°F71°F76.3°F 5.58 25<1<113 h 20 min
July 82°F72°F77.0°F 6.78 26<1<113 h 20 min
August 83°F73°F78.1°F 6.46 26<1<112 h 50 min
September 83°F72°F77.6°F 6.78 24<1<112 h 20 min
October 83°F72°F77.4°F 8.14 23<1<111 h 40 min
November 82°F71°F76.2°F 7.40 22<1<111 h 10 min
December 80°F69°F74.4°F 7.30 22<1<110 h 50 min
Year (annual)81°F70°F75.4°F77.292632<1
The same normals in °C and millimetres
Ohe'o 258.6 monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January26°C20°C22.8°C159 mm
February26°C20°C22.8°C119 mm
March26°C20°C22.9°C205 mm
April26°C21°C23.2°C130 mm
May27°C21°C23.9°C120 mm
June27°C22°C24.6°C142 mm
July28°C22°C25.0°C172 mm
August28°C23°C25.6°C164 mm
September28°C22°C25.3°C172 mm
October28°C22°C25.2°C207 mm
November28°C21°C24.6°C188 mm
December27°C21°C23.6°C185 mm
Normal daily high and low by month, Ohe'o 258.6
Normal precipitation by month, Ohe'o 258.6 (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00517000; 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 Ohe'o 258.6?

Every month's normal high in Ohe'o 258.6 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 USC00517000.

How hot and how cold does it get at Ohe'o 258.6?

In a normal year in Ohe'o 258.6, 2 days a year reach 90°F, nights almost never fall to freezing and 263 days bring measurable precipitation.

Days at 90°F or more
2a 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
263a normal year

Source: NOAA NCEI 1991-2020 annual normals, station USC00517000.

How sunny is it at Ohe'o 258.6?

Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds at Ohe'o 258.6, 5.8 kWh per square metre a day. August is the sunniest month (88%) and March the cloudiest (81%).

Ohe'o 258.6: 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 many heating and cooling degree days does Ohe'o 258.6 record?

A normal year at Ohe'o 258.6 brings 0 heating degree days, 100% fewer than the median U.S. place (5,373), and 3,812 cooling degree days, 4.2 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 9,287 growing degree days a year above 50°F.

Ohe'o 258.6: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January0248
February0224
March0257
April0264
May0312
June0338
July0374
August0405
September0378
October0384
November0336
December0293
Year (annual)03,812

Source: NOAA NCEI 1991-2020 monthly normals, station USC00517000. 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.

How does Ohe'o 258.6's climate compare?

Ohe'o 258.6 is warmer than 11 of the 18 places with their own NOAA record in Hawaii, and wetter than 15. Across the 7,247 U.S. stations with normals, its annual mean of 75.4°F is warmer than 99%.

In the Köppen classification computed from these normals, Ohe'o 258.6 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 Ohe'o 258.6's climate

What is the coldest month at Ohe'o 258.6?

January, with a normal high of 79°F and a normal low of 67°F. The warmest is August (83°F by day, 73°F at night).

Does it snow at Ohe'o 258.6?

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

What is the rainiest month at Ohe'o 258.6?

October, with 8.14 in of precipitation in a normal year; the driest is February with 4.69 in.

What plant hardiness zone is Ohe'o 258.6 in?

The USDA's 2023 map puts Ohe'o 258.6 in zone 11b in ZIP code 96713, the nearest ZIP area.

Nearby and next

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