Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
October verdict
Good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 6.7h per day, enough for a balanced month. Rainfall averages 171mm, so some wet days are possible.
Monthly averages
Temp
28°C
Rain
171mm
Sun
6.7h
Sea
27°C
Weather score
65
Good
Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 171mm, so some wet days are possible.
Some sun
Sunshine averages 6.7h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Compare Koloa, Hawaii, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
October28°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.
October171mm average rain
October sits near Koloa's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJune to July and September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
October6.7 hours average sun
October sits close to Koloa'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.
October27°C average sea
October is one of Koloa'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.
October65 weather score
October sits close to Koloa's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.