Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Weather Guide
Koloa, Hawaii, United States Average Monthly Weather
Weather score64Good annual avg
Best months: June, May, September
Across the year, average daytime temperatures are around 27°C, sunshine averages 7h per day, and rainfall totals about 2004mm. Sea temperatures average 26°C across the year.
Annual weather
Annual averages
Temp
27°C
Rain
2004mm
Annual total
Sun
7h
Sea
26°C
Weather score
64
Good avg
Seasonal climate calendar
Trip feel
Wet
Rainfall averages 220mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°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
November27°C average high
November is close to Koloa's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
November220mm average rain
November is one of Koloa's wettest months, so rain is likely to be a major planning factor.
Driest monthsJune to July and September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November5.4 hours average sun
November is one of Koloa's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November26°C average sea
November 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
November60 weather score
November scores below Koloa's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.
