Waikiki 717.2, Hawaii climate: Climate normals at a NOAA weather station

Waikiki 717.2's normal year runs from 66°F January nights to 88°F August afternoons, with 20.6 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 25.3°C, January lows of 19°C, August highs of 31°C, 525 mm of precipitation a year.

  • NOAA stationWaikiki 717.2
  • Station IDUSC00519397
  • Location21.27°N 157.82°W
  • Elevation10 ft (3 m)

On October 14, the normal high in Waikiki 717.2 is 87°F and the normal low 73°F, and the chance of measurable rain or snow is 34%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Waikiki 717.2.

  1. Jan 81° 66°
  2. Feb 81° 66°
  3. Mar 81° 68°
  4. Apr 83° 70°
  5. May 85° 71°
  6. Jun 87° 73°
  7. Jul 87° 75°
  8. Aug 88° 75°
  9. Sep 88° 74°
  10. Oct 87° 73°
  11. Nov 84° 72°
  12. Dec 82° 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 Waikiki 717.2 each month?

August is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 66°F. The most precipitation falls in March (3.18 in), the least in June (0.59 in).

Waikiki 717.2 monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 81°F66°F73.3°F 2.38 11<1<111 h
February 81°F66°F73.5°F 2.03 10<1<111 h 30 min
March 81°F68°F74.5°F 3.18 11<1<112 h
April 83°F70°F76.3°F 1.17 10<1<112 h 40 min
May 85°F71°F77.9°F 1.02 8<1<113 h 10 min
June 87°F73°F79.9°F 0.59 81<113 h 30 min
July 87°F75°F80.8°F 0.69 103<113 h 20 min
August 88°F75°F81.5°F 0.73 96<112 h 50 min
September 88°F74°F81.0°F 1.02 105<112 h 20 min
October 87°F73°F79.9°F 2.24 102<111 h 40 min
November 84°F72°F77.6°F 2.57 12<1<111 h 10 min
December 82°F69°F75.2°F 3.03 14<1<110 h 50 min
Year (annual)84°F71°F77.6°F20.6512317<1
The same normals in °C and millimetres
Waikiki 717.2 monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January27°C19°C22.9°C60 mm
February27°C19°C23.1°C52 mm
March27°C20°C23.6°C81 mm
April28°C21°C24.6°C30 mm
May29°C22°C25.5°C26 mm
June30°C23°C26.6°C15 mm
July31°C24°C27.1°C18 mm
August31°C24°C27.5°C19 mm
September31°C23°C27.2°C26 mm
October30°C23°C26.6°C57 mm
November29°C22°C25.3°C65 mm
December28°C20°C24.0°C77 mm
Normal daily high and low by month, Waikiki 717.2
Normal precipitation by month, Waikiki 717.2 (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00519397; 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 Waikiki 717.2?

Normal highs sit between 65°F and 85°F in January, February, March, April, May, November and December. Of those, May has the fewest days with rain (8).

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 USC00519397.

How hot and how cold does it get at Waikiki 717.2?

In a normal year in Waikiki 717.2, 17 days a year reach 90°F, nights almost never fall to freezing and 123 days bring measurable precipitation.

Days at 90°F or more
17a 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
123a normal year

The highest temperature in this station's record (since 1965) is 97°F, on September 24, 2019; the lowest is 43°F, on January 18, 2009.

The wettest calendar year on that record is 1965, with 47.77 in.

Source: NOAA NCEI 1991-2020 annual normals, station USC00519397; records: ACIS (NOAA Regional Climate Centers), station USC00519397. Records use complete months only; a month missing more than three days is left out.

How sunny is it at Waikiki 717.2?

Over a year 85% of the sunlight that would reach the ground under clear skies gets through the clouds at Waikiki 717.2, 5.7 kWh per square metre a day. June is the sunniest month (88%) and March the cloudiest (79%).

Waikiki 717.2: 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 Waikiki 717.2 record?

A normal year at Waikiki 717.2 brings 0 heating degree days, 100% fewer than the median U.S. place (5,373), and 4,622 cooling degree days, 5.1 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 10,097 growing degree days a year above 50°F.

Waikiki 717.2: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January0256
February0239
March0295
April0341
May0402
June0449
July0490
August0512
September0482
October0463
November0380
December0316
Year (annual)04,622

Source: NOAA NCEI 1991-2020 monthly normals, station USC00519397. 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 Waikiki 717.2's climate compare?

Waikiki 717.2 is warmer than 16 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 77.6°F is warmer than 100%.

In the Köppen classification computed from these normals, Waikiki 717.2 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.

Questions about Waikiki 717.2's climate

What is the coldest month at Waikiki 717.2?

January, with a normal high of 81°F and a normal low of 66°F. The warmest is August (88°F by day, 75°F at night).

Does it snow at Waikiki 717.2?

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

What is the rainiest month at Waikiki 717.2?

March, with 3.18 in of precipitation in a normal year; the driest is June with 0.59 in.

What plant hardiness zone is Waikiki 717.2 in?

The USDA's 2023 map puts Waikiki 717.2 in zone 12b in ZIP code 96815, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 57°F (18 years, 1991-2020): zone 12b.

Nearby and next

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