Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
August verdict
Koloa, Hawaii, United States in August
Weather score67Good
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 8.4h per day, so bright days are a strong part of the month. Rainfall averages 148mm, so some wet days are possible.
August weather
Monthly averages
Temp
29°C
Rain
148mm
Sun
8.4h
Sea
27°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 148mm, so some wet days are possible.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Koloa, Hawaii, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August29°C average high
August is one of Koloa's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
August148mm average rain
August 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.
Sun
August8.4 hours average sun
August is one of Koloa's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August27°C average sea
August sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to November
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
August67 weather score
August scores above Koloa's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.
