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coastya
Satellite view of Keālia Beach; the pin marks the beach
Satellite view: Sentinel-2 cloudless · EOX, CC BY 4.0, colour-adjusted by Coastya. About 6 km of coast; the pin marks the beach.

Beach

Keālia Beach

United StatesHawaii · United States · Pacific Ocean

22.0953, -159.3062 · Kapa‘a, 3 km

  • 27°Sea · September
  • 27°High · September
  • 10.1 hSunshine · June
The dot marks Keālia Beach. About 140 km of coast, north at the top.

Your month at the beach

Keālia Beach in October

  • 27°CAir, daytime high25°C at night
  • 27°CSea temperature
  • 8.0 hSunshine a day
  • 12 daysRainy days in the month76 mm in total
  • 21 km/hAverage wind

Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.

The beach itself

  • 12Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
  • 14 kmAirport: Lihue Airport (LIH)In a straight line; by road it is further

No reliable information yet on: bathing water quality, wheelchair access, lifeguards.

October from 2020 to 2025

In October 2025 the sea averaged 27.4 °C — 0.9 °C above the 1991–2020 average.

Sea temperature 2025: +0.9 °C

1991–2020 average: 26.5 °C

Air, daytime high 2025: +0.8 °C

1991–2020 average: 26.7 °C

Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.

When to go

1991–2020 averages
Warmest seaSeptember and October27 °C
Most sunshineJune and July10 h of sun a day
Least rainJune and July41 mm in the month

The year at a glance

  1. Jan24°7 h68 mm
  2. Feb24°7 h84 mm
  3. Mar24°8 h125 mm
  4. Apr24°9 h57 mm
  5. May25°10 h49 mm
  6. Jun26°10 h43 mm
  7. Jul26°10 h41 mm
  8. Aug26°10 h47 mm
  9. Sep27°9 h51 mm
  10. Oct27°8 h76 mm
  11. Nov26°7 h84 mm
  12. Dec25°7 h100 mm
8°C20°C32°C

Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.

Sea temperature

1991–2020 averages
24°26°JanFebMarAprMayJunJulAugSepOctNovDecJan: 24°Feb: 24°Mar: 24°Apr: 24°May: 25°Jun: 26°Jul: 26°Aug: 26°Sep: 27°Oct: 27°Nov: 26°Dec: 25°24°27°
8°C20°C32°C

Climate through the year

1991–2020 averages
22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecJan: 23 °C (High 24° / Low 22°)Feb: 22 °C (High 24° / Low 22°)Mar: 23 °C (High 24° / Low 22°)Apr: 23 °C (High 24° / Low 22°)May: 24 °C (High 25° / Low 23°)Jun: 25 °C (High 26° / Low 24°)Jul: 26 °C (High 27° / Low 25°)Aug: 26 °C (High 27° / Low 25°)Sep: 26 °C (High 27° / Low 25°)Oct: 26 °C (High 27° / Low 25°)Nov: 25 °C (High 26° / Low 24°)Dec: 24 °C (High 25° / Low 23°)26°22°
AverageLow – High
8°C20°C32°C

Rain

0 mm50 mm100 mmJanFebMarAprMayJunJulAugSepOctNovDecJan: 68 mmFeb: 84 mmMar: 125 mm125Apr: 57 mmMay: 49 mmJun: 43 mmJul: 41 mm41Aug: 47 mmSep: 51 mmOct: 76 mmNov: 84 mmDec: 100 mm

Sunshine

0 h5 h10 hJanFebMarAprMayJunJulAugSepOctNovDecJan: 7.3 hFeb: 7.3 hMar: 7.5 hApr: 8.7 hMay: 9.6 hJun: 10.1 h10.1Jul: 10.1 h10.1Aug: 9.7 hSep: 9.3 hOct: 8.0 hNov: 7.2 hDec: 6.8 h6.8

Sunshine hours are estimated from measured solar radiation, not observed directly.

Month by month

1991–2020 averages

Every month at Keālia Beach: air, sea, rain and sunshine. Averages for 1991–2020.

Every month at Keālia Beach: air, sea, rain and sunshine. Averages for 1991–2020.
MonthHigh°CLow°CSea°CRainmmRainy daysdaysSunshineh/dayWindkm/h
January24222468107.321
February24222484107.322
March242224125127.522
April24222457118.723
May2523254999.621
June26242643810.124
July27252641910.125
August2725264789.725
Septemberwarmest sea27252751119.322
October27252776128.021
November26242684137.222
December252325100136.822

Swipe sideways to see the other columns.

Photos

Photos shared by their authors on Wikimedia Commons, with its colours adjusted.

Keālia Beach: Kealia Beach Kauai Hawaii (45554020174)
Photo: dronepicr · Wikimedia Commons · CC BY 2.0 · stylised; this version keeps the same licence.
Keālia Beach: Beach Kealia Kauai Hawaii (44460709520)
Photo: dronepicr · Wikimedia Commons · CC BY 2.0 · stylised; this version keeps the same licence.
Keālia Beach: Kapaa Coast, Kapaa - panoramio
Photo: Bob Linsdell · Wikimedia Commons · CC BY 3.0 · stylised; this version keeps the same licence.

About these numbers

Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.

WhatWhere it comes from Nearest measurement
Air, rain and sunshineNASA POWER13 km away
Sea temperatureNOAA OISST v2.1, 1991–202019 km away
2020–2025, month by monthNASA POWER · NOAA OISST v2.113 km away
Lifeguards and places to stayOpenStreetMapwithin 1–5 km
Nearest airportOurAirportsstraight-line distance
Image at the topSentinel-2 cloudless (EOX)at this spot

See every data source →