Kailua (Hawaii Cnty), Hawaii gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Kailua (Hawaii Cnty) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 174 sunny days per year in Kailua (Hawaii Cnty). The US average is 205 sunny days.
Kailua (Hawaii Cnty) gets some kind of precipitation, on average, 76 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 84 degrees
Winter Low: the January low is 65
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Kailua (Hawaii County) is 8.8 (10=best), which means it is more comfortable than most places in Hawaii.
8.8 / 10
February, December and January are the most pleasant months in Kailua (Hawaii County), while August and September are the least comfortable months.