February in Waikoloa is the windiest and the coldest month of the year. In February, the weather in Waikoloa is typically warm. Average daily high temperature in February is about 21 degrees above zero. On average, Waikoloa has 19 partly cloudy, 7 sunny, 2 cloudy, and 1 rainy day in February. The rains are usually light. February as well as January, April, May, and June is considered the most comfortable time to visit Waikoloa.