Sun, sea & sand

Honolulu, Hawaii weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

95

Holiday weather in October

Excellent

Best time to visit: January – December

Air temperature27°CNight 24°
Sea temperature26.8°Cwarm
Sunshine9hrs / dayof 11.7 h daylight
Rainy days8days / month30 mm

What is the weather like in Honolulu, Hawaii in October?

In October, Honolulu, Hawaii is hot: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 26.8 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 30 mm. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Honolulu, Hawaii.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score979593
Day28°27°26°
Night25°24°24°
Sea27°27°26°
Sun10 h9 h9 h
Rain days688

More details for October

Daylight
11 h 41 min06:26 – 18:08
UV index
9 · very highclear sky, noon (estimate)
Muggy days
30 daysdew point 18 °C or more
Wind
20 km/haverage daily peak
Cloud cover
46 %on average
Hot days
0 days30 °C or more
Time zone
UTC−10Pacific/Honolulu

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %75 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent

Honolulu, Hawaii in October: quick answers

Is Honolulu, Hawaii hot in October?

Yes. In October, Honolulu, Hawaii is hot: daytime highs average 27 °C and nights stay around 24 °C.

Can you swim in Honolulu, Hawaii in October?

Yes. In October the sea averages 26.8 °C – lovely and warm for swimming.

Does it rain much in Honolulu, Hawaii in October?

Rain falls on about 8 days, adding up to 30 mm.

Honolulu, Hawaii month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)