Waianae, Hawaii gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Waianae averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 272 sunny days per year in Waianae. The US average is 205 sunny days.
Waianae gets some kind of precipitation, on average, 72 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 88 degrees
Winter Low: the January low is 65
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Waianae is 8.7 (10=best), which means it is about average compared to other places in Hawaii.
8.7 / 10
March, February and January are the most pleasant months in Waianae, while August and September are the least comfortable months.