Weather Guide

Honolulu, Hawaii, United States Average Monthly Weather

Weather score72Very good annual avg

Best months: June, September, May

Across the year, average daytime temperatures are around 28°C, sunshine averages 8.1h per day, and rainfall totals about 1650mm. Sea temperatures average 26°C across the year.

Honolulu, Hawaii, United States, United States travel weather guide
Photo by Austin Schmid on Unsplash

Annual weather

Annual averages

Temp

28°C

Rain

1650mm

Annual total

Sun

8.1h

Sea

26°C

Weather score

72

Very good avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 30°C, giving warm days by monthly-average standards.

Showers

Rainfall averages 128mm, so some wet days are possible.

Some sun

Sunshine averages 7.7h per day, enough for a balanced month.

Swimmable

Sea temperatures average 27°C, which can work for swimming but may feel fresh.

Map

Weather map

Compare Honolulu, Hawaii, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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October30°C average high

October sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.

Warmest monthsJune to October

This stretch sets the upper range for average daytime heat.

October128mm average rain

October sits near Honolulu's yearly rainfall average, so rain is a normal planning factor rather than an outlier.

Driest monthsJune and August to September

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

October7.7 hours average sun

October sits close to Honolulu's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsMay to September

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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October27°C average sea

October is one of Honolulu's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJune to November

Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.

Weather score

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October73 weather score

October sits close to Honolulu's yearly weather-score average, giving a typical overall read on the month.

Best weather monthsApril to October

These months have the strongest weather score in the monthly averages.

Hotels in Honolulu, Hawaii, United States