Ko Olina, HI enjoys a tropical climate with hot, humid summers and mild winters. Average temperatures range from the high 70s to mid 80s during the summer months and mid-60s to low 70s in the winter. The area is known for its abundant sunshine year round, with a few showers here and there during the wet season months of December–March. Rainfall is plentiful throughout the year, providing lush vegetation to enjoy. Ko Olina benefits from cooling ocean breezes and is often described as having near-perfect weather conditions, perfect for beach days and exploring all that Hawaii has to offer!
Ko Olina, Hawaii gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ko Olina averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 271 sunny days per year in Ko Olina. The US average is 205 sunny days.
Ko Olina gets some kind of precipitation, on average, 74 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.
Weather Highlights
Summer High: the July high is around 88 degrees
Winter Low: the January low is 65
Rain: averages 17 inches of rain a year
Snow: averages 0 inches of snow a year